55 products were found matching your search for focuser in 1 shops:

You can enhance your astrophotography setup with the precision and reliability of the Baader Planetarium Temperature Sensor for Steeldrive II Motor Focuser. This durable and high-quality sensor is engineered to automatically compensate for temperature drift, ensuring your focus remains sharp and consistent, even when experiencing large temperature differences during long observation sessions.Featuring an innovative design, the temperature sensor comes equipped with a phone connector and a 1-meter cable, offering both flexibility and ease of installation. Its user-friendly interface not only allows for seamless integration with Steeldrive II motor units but also supports the control of dew-shield heating, safeguarding your equipment against condensation and ensuring optimal performance.Reliable in its operation, this temperature sensor is the perfect companion for your Steeldrive II Motor Focuser. Chosen by astronomy enthusiasts for its compatibility and the reputation of Baader Planetarium, this sensor maintains the safe operating range of your motor, preventing damage and malfunctions caused by temperature fluctuations.Upgrade your astrophotography equipment with the Baader Planetarium Temperature Sensor for Steeldrive II Motor Focuser and experience the benefits of a system that stays precisely focused, no matter the temperature changes in your observing environment.

Where precision and durability meet, the BDS-SC 2" Diamond Steeltrack Focuser is a high-quality, innovative accessory designed specifically for Schmidt-Cassegrain and EdgeHD Telescopes. This stylish, user-friendly focuser boasts a 30mm focus travel, ensuring smooth and precise focusing for your astronomical observations.The BDS-SC 2" Diamond Steeltrack Focuser is equipped with a true diamond micro-geared high precision drive system, a first of its kind. This system offers zero backlash, zero cogging, and zero flexure, outperforming conventional crayford or rack & pinion drives. The focuser can lift a payload of 6kg (13 lbs) straight up without slipping or excessive bearing preload, thanks to its robust bearing system that utilizes unbreakable Instrument Grade Roller-Bearings instead of simpler ball bearings. This ensures higher load handling with greater rigidity and accuracy.The focuser features a 1:10 Stainless Steel fine-focus mechanism, ready for attachment of the optional Diamond Steeldrive temperature-compensating motor drive system. The drive block assembly is detachable and reversible, allowing for right or left hand fine-focus operation and for attaching the Diamond Steeldrive motor block.The BDS-SC 2" Diamond Steeltrack Focuser is designed with a short mechanical structure to achieve the perfect balance between focuser height (backfocus) and rigidity requirements. It also includes a zero shift locking knob to precisely stop any movement without affecting optical axis adjustment.The focuser's clamping system includes an S58 Dovetail ring-clamp built into the focusing tube, enabling direct thread connection of accessories and cameras without a 2" clamp. It also comes with a 2" eyepiece clamp with a hardened bronze clamp ring. The focusing drawtube of the BDS-SC 2" Diamond Steeltrack Focuser is adjustable for precise alignment of mechanical vs. optical axis. It features ultra-hard subzero coated bearing races that are precision milled and much harder than anodizing or stainless steel. The oversized 55mm inner clear diameter prevents vignetting, and the anti-reflection knife-edge baffles ensure optimal performance. In summary, the BDS-SC 2" Diamond Steeltrack Focuser is a durable, high-quality, and user-friendly accessory for Schmidt-Cassegrain and EdgeHD Telescopes, designed to enhance your stargazing experience with its innovative features and superior performance.

The Explore Scientific 2" AR Series Focuser comes with 1.25" compression ring eyepiece adapters. The adapter, or your 2" eyepiece or barreled accessory, locks securely into place with three set screws so everything stays put. The focuser have 10:1 micro-focusing knobs as well as a rough focus knob. 10:1 means that you would have to rotate the microfocusing knob ten times to get the same focus movement with just one turn, or rotation, of the larger knob. The focus knobs themselves are large and knurled, so that you can grip them easily, even when your hands are cold or you are wearing gloves. A tension adjustment feature is included. The ability to lock and/or adjust the tension on the drawtube is a nice characteristic and you'll appreciate it when you increase or decrease the weight of eyepieces, cameras, or other accessories.

Be at the forefront of astrophotography with the Baader Planetarium M68 Adaptor, meticulously engineered for seamless integration with 2" BDS Diamond Steeltrack Focusers. This durable adaptor is a testament to Baader Planetarium's commitment to high-quality and innovative optical accessories, ensuring that enthusiasts and professionals alike can achieve precise and accurate focusing with ease.Crafted from premium materials, the M68 Adaptor is built to withstand the rigors of frequent use, making it a reliable addition to any astrophotography setup. Its versatile design not only complements the 2" BDS Diamond Steeltrack Focusers but also enhances the overall user experience with its user-friendly features.Choosing the Baader Planetarium M68 Adaptor means investing in a piece of equipment that is synonymous with excellence. The brand's reputation for producing top-tier optical products is evident in the adaptor's construction and performance. When precision focusing is crucial for capturing the cosmos in stunning detail, this adaptor delivers consistently outstanding results.Whether you're capturing distant galaxies or the moon's intricate surface, the M68 Adaptor ensures that your 2" BDS Diamond Steeltrack Focuser operates at its full potential. Embrace the power of a perfectly focused view and elevate your astrophotography with this indispensable tool from Baader Planetarium.

You can elevate your stargazing experience with the BDS-RT 2" Diamond Steeltrack Focuser for Refractors Telescope with 80mm Focus Travel. This innovative and high-quality product is designed by the reputable brand, Baader Planetarium, known for its superior astronomical equipment. The BDS-RT 2" Diamond Steeltrack Focuser is a durable and user-friendly accessory that enhances the functionality of your refractor telescope. It features a large focus travel of 80mm, enabling more precise focusing and a wider range of celestial objects to be viewed. This stylish focuser boasts a minimum height of 78mm when supplied with a 2" clamp and can be reduced to 65mm with optional S58 direct-thread adapters. Despite its lightweight design, weighing only 1.160g (40.9 oz), it can lift a payload of 6kg (13 lbs) straight up without slipping, thanks to its unbreakable Instrument Grade Roller-Bearings. The BDS-RT 2" Diamond Steeltrack Focuser is equipped with a true diamond micro-geared high precision drive system, a first in the industry. This innovative system eliminates backlash, cogging, and flexure, ensuring smooth and accurate focusing. The focuser also features a 1:10 Stainless Steel fine-focus mechanism, ready for the attachment of the optional Diamond Steeldrive temperature-compensating motor drive system. Its detachable drive block assembly is reversible for right or left-hand fine-focus operation. The focuser's clamping system includes an S58 Dovetail ring-clamp built into the focusing tube, allowing for the direct thread connection of accessories and cameras. It also comes with a 2" eyepiece clamp with a hardened bronze clamp ring as standard. The BDS-RT 2" Diamond Steeltrack Focuser's focusing drawtube is designed with individually adjustable bearings for precise alignment of the mechanical and optical axis. Its ultra-hard subzero coated bearing races are precision milled and much harder than anodizing or stainless steel. With an oversized 55mm inner clear diameter, this focuser prevents vignetting and features anti-reflection knife-edge baffles. It's the perfect addition to your refractor telescope, offering enhanced precision and a superior viewing experience.

While designed for precision and durability, the 2" to 1.25" Reducer for NT Steeltrack Focusers is a professional-grade accessory that enhances the functionality of your astronomical equipment. Manufactured by the reputable brand, Baader Planetarium, this reducer is specifically engineered to seamlessly adapt your NT Steeltrack Focusers from a 2-inch size to a more compact 1.25 inches. Boasting a minimal optical height of just 4.5mm, this reducer ensures optimal performance without compromising the quality of your observations. It's a sturdy and reliable addition to your equipment, crafted to withstand regular use while maintaining its high-quality performance. In addition, this reducer comes equipped with a 2" Filterholder, featuring an M48 inner thread. This inclusion not only adds value but also expands the versatility of your focusers, allowing for the use of various filters to enhance your astronomical viewing experience. Choose the 2" to 1.25" Reducer for NT Steeltrack Focusers for a convenient, compatible, and high-quality solution to adapt your focusers to your specific needs.

What sets the Baader Planetarium M48 Adaptor apart is its unique design, specifically tailored for the 2" BDS Diamond Steeltrack Focuser. This high-quality M48 Adaptor, a vital accessory for any serious astrophotographer, ensures seamless compatibility with your 2" BDS Diamond Steeltrack Focuser, enhancing your stargazing and photography experience. Crafted by the renowned Baader Planetarium, this M48 Adaptor is meticulously engineered to provide optimal performance. It's an essential tool for those seeking to capture the beauty of the cosmos with precision and clarity. The Baader Planetarium M48 Adaptor for 2" BDS Diamond Steeltrack Focuser is more than just a simple accessory. It's a gateway to the universe, enabling you to explore and capture the celestial wonders with unparalleled accuracy. Whether you're an amateur astronomer or a seasoned professional, the Baader Planetarium M48 Adaptor is a must-have addition to your astrophotography equipment. It's designed to work flawlessly with the 2" BDS Diamond Steeltrack Focuser, ensuring you get the best possible results every time you point your lens towards the stars.

What you're looking at is the Baader Planetarium T-2 Adaptor, a precision-engineered accessory specifically tailored for the 2" BDS Diamond Steeltrack Focuser. This high-quality T-2 Adaptor is a crucial component for any serious astrophotographer or stargazing enthusiast, ensuring seamless compatibility with the renowned 2" BDS Diamond Steeltrack Focuser. Crafted by Baader Planetarium, a trusted name in the world of astronomy equipment, this T-2 Adaptor is designed to provide a secure and stable connection, enhancing the functionality of your telescope's focuser. It's an essential tool for capturing clear, detailed images of celestial bodies, making it a valuable addition to your astrophotography gear. This T-2 Adaptor for 2" BDS Diamond Steeltrack Focuser is not just a simple accessory, but a testament to Baader Planetarium's commitment to quality and precision. It's a perfect example of how the right equipment can elevate your stargazing and astrophotography experience. Remember, when it comes to astrophotography, every detail matters. Equip yourself with the Baader Planetarium T-2 Adaptor for 2" BDS Diamond Steeltrack Focuser and take your exploration of the cosmos to the next level.

The Mini DIN/Cinch Adapter Cable for Steeldrive II Motor Focuser is an essential accessory for astrophotography enthusiasts and professionals who demand precise temperature control of their equipment. This high-quality adapter cable seamlessly connects from the Steeldrive II Controller's AUX Port to Cinch, accommodating common heat pads with up to 10W power. It is specifically engineered to enable meticulous temperature regulation of dew shield heaters, optical filters, and instruments to an impressive accuracy of +/-0.1 degree via the AUX input.Crafted with durability in mind, this reliable cable ensures a stable and secure connection directly to the Steeldrive controller. Users have the flexibility to manage power settings through the SteelGo software or to set a desired temperature for one of the temperature sensors. This innovative feature is crucial for maintaining optimal performance of the telescope, as it prevents undesired heating by keeping the dew cap just above the dew point, thus protecting delicate equipment from condensation and ensuring clear, undisturbed observations of celestial objects.The versatility of this adapter cable, combined with its compatibility with the Steeldrive II Motor Focuser, makes it a top choice for astronomers who value precision and reliability. Its construction by Baader Planetarium, a trusted name in astronomical equipment, further assures users of its superior quality and longevity. Whether for hobbyist night-sky photography or advanced astronomical research, the Mini DIN/Cinch Adapter Cable is an innovative solution that enhances the functionality and efficiency of your astrophotography setup.

Metal Magnet Ring for Homing-Sensor of Steeldrive II - fitting for Baader Diamond Steeltrack focusers. The Steeldrive II motor unit features a contactless (wearfree) homing sensor (hall-effect sensor). It is activated by a magnet attached to the moving part of the focuser. It enables precise homing and repeatable approach of saved absolute positions as well as reference of the mechanical endstop. The Metal Magnet Ring is attached between the eyepiece clamp and the eyepiece extension. To install the magnet ring, at first you need to remove the 2" eyepiece holder or the thread adapter for e.g. T-2, M48 or M68. It must be installed parallel to the Steeldrive II.

Become an astute photographer with the precision-engineered Explore Scientific 1" Extension Tube, specifically crafted for Rack and Pinion Focusers. This high-quality extension tube is a must-have accessory for any serious photographer looking to enhance their imaging capabilities. Made from sturdy, black anodized aluminum, this durable extension tube is built to withstand the rigors of frequent use while maintaining its integrity, ensuring reliable performance in a variety of conditions.The versatility of this extension tube lies in its ability to provide additional focal length, allowing for closer focusing and more detailed shots of your subjects. Whether you're delving into the world of macro photography or simply seeking to refine your focus for sharper images, this extension tube is an indispensable tool.Choose the Explore Scientific 1" Extension Tube for its reputable brand heritage. Explore Scientific is synonymous with high-quality photography equipment, and this extension tube is no exception. Its robust construction and corrosion-resistant material make it a wise investment for photographers who demand the best from their gear.Incorporate this versatile and reliable extension tube into your photography setup and experience the difference in your focus and image quality. The Explore Scientific 1" Extension Tube for Rack and Pinion Focusers is a professional-grade product that promises to elevate your photographic pursuits.

From the renowned brand Baader Planetarium, the BDS-NT 2" Diamond Steeltrack Focuser for Newtonian Telescopes with 40mm Focus Travel is a durable and high-quality piece of astronomical equipment. This innovative focuser is designed with a true diamond micro-geared high precision drive system, a first in the industry. Unlike conventional crayford or rack & pinion drives, this advanced system eliminates backlash, cogging, and flexure, ensuring smooth and precise adjustments.The Diamond Steeltrack 2" focuser is capable of lifting a payload of 6kg (13 lbs) vertically without slipping, thanks to its robust bearing system that uses unbreakable Instrument Grade Roller-Bearings. This superior system offers greater rigidity and accuracy, handling higher loads without the need for excessive bearing preload.Equipped with a 1:10 Stainless Steel fine-focus mechanism, this focuser is ready for the optional Diamond Steeldrive temperature-compensating motor drive system. The drive block assembly is detachable and reversible, allowing for both right and left-hand fine-focus operation.The BDS-NT 2" Diamond Steeltrack Focuser boasts the shortest possible mechanical design, striking the perfect balance between focuser height (backfocus) and rigidity requirements. It also features a zero shift locking knob, allowing you to stop any movement precisely without affecting the optical axis adjustment.The focuser's clamping system includes an S58 Dovetail ring-clamp built into the focusing tube. This allows for the direct thread connection of accessories and cameras without a 2" clamp. The focuser also comes standard with a 2" eyepiece clamp with a hardened bronze clamp ring.The focusing drawtube of the BDS-NT 2" Diamond Steeltrack Focuser is designed with individually adjustable bearings for precise alignment of mechanical vs. optical axis. The ultra-hard subzero coated bearing races are precision milled and significantly harder than anodizing or stainless steel. With an oversized 55mm inner clear diameter, this focuser prevents vignetting and includes anti-reflection knife-edge baffles for optimal performance. In summary, the BDS-NT 2" Diamond Steeltrack Focuser for Newtonian Telescopes with 40mm Focus Travel is a user-friendly, stylish, and innovative solution for precise telescope focusing.

The 4" SC-Adapter is a robust and reliable solution designed to mount a 2" BDS-SC/RT Diamond Steeltrack Focuser onto Meade Instruments with 4" inner threads. Crafted with durability in mind, this high-quality adapter ensures a secure and stable connection, enhancing your astronomical viewing experience. Exclusively compatible with BDS-SC Diamond Steeltrack for Schmidt-Cassegrains (SCs) and BDS-RT Diamond Steeltrack for Refractors, this adapter is a testament to the precision engineering of Baader Planetarium. Known for their commitment to producing top-tier astronomical equipment, Baader Planetarium ensures that this 4" SC-Adapter meets the highest standards of quality and performance. Whether you're an amateur astronomer or a seasoned professional, this sturdy and robust 4" SC-Adapter is an essential addition to your equipment collection, providing a seamless integration with your Meade Instruments. Experience the difference in stability and precision with this expertly designed adapter.

Why settle for less when you can experience superior optical performance with the Explore Scientific 2" Air-Spaced Triplet Focuser? This advanced piece of equipment, designed by the reputable brand Explore Scientific, is renowned for its high-quality and durable construction. This sturdy focuser comes equipped with a 1.25" compression ring eyepiece adapter, ensuring a secure fit for your 2" eyepiece or barreled accessory. With three set screws, your equipment locks firmly into place, providing you with the reliability you need during your astrophotography sessions or other high-performance optical applications.One of the standout features of this focuser is its 10:1 micro-focusing knobs, complemented by a rough focus knob. This 10:1 ratio means that for every ten rotations of the microfocusing knob, you achieve the same focus movement as one rotation of the larger knob. This allows for precise control and fine-tuning of your focus.The focus knobs themselves are large, knurled, and designed for easy grip. This thoughtful design ensures that even in cold conditions or while wearing gloves, you can easily adjust your focus. Additionally, this focuser includes a tension adjustment feature. This allows you to lock and/or adjust the tension on the drawtube, a feature you'll appreciate when changing the weight of eyepieces, cameras, or other accessories. In summary, the Explore Scientific 2" Air-Spaced Triplet Focuser is not just a piece of equipment, but a tool that enhances your optical performance and provides a reliable, high-quality experience.

Explore the possibilities with the Explore Scientific 1.5" Extension Tube, specifically engineered for Rack and Pinion Focusers. This high-quality, durable extension tube is a must-have for any serious photography enthusiast or professional. Crafted by the reputable brand, Explore Scientific, this extension tube is designed to enhance your photography experience by providing a reliable and user-friendly solution for your focusing needs. Its compact design makes it easy to carry and store, making it a practical addition to your photography gear.Whether you're attaching your camera to the back of your telescope or need an extension for your train, this 1.5" Extension Tube is the perfect fit. Its high-quality construction ensures durability and reliability, making it a trusted choice among customers, as evidenced by its high rating of 5.0.Experience the difference in your photography with the Explore Scientific 1.5" Extension Tube for Rack and Pinion Focusers. It's not just an accessory; it's an investment in enhancing your photography experience.

The Baader ClickLock (1-1/4" / 2") is a precisely fitting, very massive eyepiece clamp without clamping screws. Inserted eyepieces, CCD cameras and similar accessories are securely held in place, locked against rotation and won't be scratched in any way! With a small turn of 20deg., each eyepiece is firmly clamped. You will never have to handle small locking screws again - instead, just rotate the top of the eyepiece clamp for a few degrees and the eyepiece will be firmly fixed. This is also no problem with gloves on! Our various ClickLock clamps are made of seven precision-machined components which provide a highly effective retention mechanism that securely holds any 1-1/4" or 2" eyepiece.The clamp is very expensive to assemble, the price therefore initially may appear high for "nothing more than" a clamping device. But if you think about the comfort, precision and stability, it's well worth the money. You do not have to tighten the ClickLock clamps with brutal force, because the mechanical principle comes from professional mechanical engineering. This is how the tool holder in modern CNC milling centers works. Clever use of leverage multiplies the torque. The inserted object is held on three sides similar to a quick-action chuck and can therefore no longer carry out any tilting movements.We have tested the effectivity and stability of the ClickLock mechanism for many years with the 1-1/4" ClickLock clamp. The 2" ClickLock system is designed to be much more mechanically solid.• Even a 20deg. turn with light pressure of the rotary lever is enough to hold all 2" accessories absolutely securely and firmly• Ratchet function - indicates the position of the clamp acoustically and haptically. So you can know if the clamp is open or closed in the dark and without looking.• Massive tension ring - keeps even the most expensive accessories absolutely safe, without causing scratches and bruises• The position of the rotary lever is adjustable for left-hand / right-hand use either by six camera slotted screws or by six Allen screws with a hexagonal wrench (depending on the model)• The heaviest tested load to date is a complete C14 with an SCL-clamp and a 2" Click Lock star diagonal with a Scopos 30mm extreme eyepiece. The C14 has been lifted on the eyepiece. We emphasize that this test setup is not is recommended for imitation.• The extensive range of ClickLock clamps makes it possible to retrofit the Baader 2" ClickLock clamp on many telescopes

Over the years, the Baader ClickLock Eyepiece Clamp has become an indispensable tool for astronomers and hobbyists alike. This robust and precision-engineered clamp, designed for 1-1/4" and 2" eyepieces, offers a secure and scratch-free hold for your eyepieces, CCD cameras, and other similar accessories. The ClickLock's unique design eliminates the need for clamping screws. With just a 20-degree turn, your eyepiece is firmly clamped and locked against rotation. This user-friendly mechanism means you'll never have to fumble with small locking screws again. Even with gloves on, a simple twist of the eyepiece clamp ensures your eyepiece is securely fixed.Constructed from seven precision-machined components, the ClickLock clamp provides a highly effective retention mechanism. This clever use of leverage multiplies the torque, holding the inserted object on three sides, similar to a quick-action chuck, preventing any tilting movements. The 2" ClickLock system is designed for enhanced mechanical solidity. A light 20-degree turn of the rotary lever is all it takes to hold all 2" accessories securely and firmly. The ratchet function provides acoustic and haptic feedback, letting you know if the clamp is open or closed even in the dark or without looking. The ClickLock clamp features a massive tension ring that keeps even the most expensive accessories safe without causing scratches or bruises. The position of the rotary lever is adjustable for left-hand or right-hand use, either by six camera slotted screws or by six Allen screws with a hexagonal wrench, depending on the model. The Baader 2" ClickLock clamp is compatible with many telescopes, making it a versatile addition to your astronomical equipment. Whether you're a professional astronomer or a stargazing enthusiast, the Baader ClickLock Eyepiece Clamp offers the comfort, precision, and stability you need for a seamless celestial viewing experience.

Why settle for anything less than the pinnacle of eyepiece security and convenience? The Baader 2" ClickLock Eyepiece Clamp for 3.5" FeatherTouch Focusers is an exemplar of precision engineering, designed to elevate your astronomical observations to new heights. Crafted from durable black anodized aluminum, this robust clamp is meticulously engineered to hold your eyepieces, CCD cameras, and other accessories with unparalleled stability, ensuring they are locked against rotation and protected from scratches.The innovative ClickLock system is a testament to Baader Planetarium's commitment to high-quality and reliable astronomical equipment. With a mere 20-degree rotation, the clamp's clever leverage mechanism firmly secures any 1-1/4" or 2" eyepiece in place. This sturdy and reliable clamp is perfect for astronomers who value both the safety of their equipment and the ease of use, even in the most challenging conditions or when wearing gloves.The clamp's design is a marvel of mechanical engineering, drawing inspiration from the tool holders used in modern CNC milling centers. This ensures that the inserted object is held on three sides, eliminating any possibility of tilting movements. The ratchet function of the clamp provides both audible and tactile feedback, allowing you to operate it confidently in the dark or without direct visual confirmation.Adjustability is key, and the Baader ClickLock Eyepiece Clamp offers customization for both left-handed and right-handed users, with the position of the rotary lever easily adjustable to suit your preference. The massive tension ring is another feature that speaks to the clamp's high-quality construction, safeguarding even the most valuable accessories without inflicting damage.The Baader 2" ClickLock system is not only mechanically solid but also versatile. It's part of an extensive range of ClickLock clamps that can be retrofitted on many telescopes, making it an ideal choice for astronomers who demand the best in terms of comfort, precision, and stability. This eyepiece clamp is a reliable investment in your astronomical pursuits, ensuring that your focus remains on the stars, not on the security of your equipment.

What you're looking at is the 10 Micron Indicator Kit for 2.4" Focusers, a precision tool designed to enhance your astrophotography experience. This kit is specifically tailored for Tele Vue telescopes equipped with 2.4" focusers, including models such as the NP101is, NP127is, and TV102is. The kit shares similar features with the renowned RMK-2002, offering you the same level of quality and performance. The standout feature of this kit is its digital indicator, which allows you to index the exact focus position with remarkable precision. This is particularly useful for CCD photography, where achieving the perfect focus can make all the difference in your images.The digital indicator of this kit provides a readout with an impressive 10-micron accuracy, ensuring that you can fine-tune your focus to capture the most detailed and crisp images. It boasts a 0.5" motion range, giving you ample flexibility to adjust your focus as needed.Moreover, this 10 Micron Indicator Kit for 2.4" Focusers is designed with modern technology in mind. It accepts an RS-232 output cable, allowing you to display the readout on your computer. This feature not only enhances your convenience but also allows you to make more precise adjustments for the best possible results.In summary, this 10 Micron Indicator Kit for 2.4" Focusers is a valuable addition to your astrophotography equipment, offering precision, flexibility, and convenience in one package.

After meticulous engineering, the Tele Vue Big Paracorr Type-2 emerges as a pinnacle accessory for 3" focusers, designed to elevate the performance of Newtonian reflecting telescopes. This paramount optical corrector is the solution to coma, an aberration that causes stars to appear with blurry, comet-like tails radiating from the center of the field. The Big Paracorr Type-2 is specifically crafted to combat this effect, ensuring the sharpest and most pristine visual experience across the entire field of view.The Tele Vue Big Paracorr Type-2 is a testament to the brand's commitment to excellence, seamlessly integrating with the revolutionary 82-degree Nagler and 100+ degree Ethos eyepieces. This combination unlocks the potential for expansive, flat, and impeccably corrected visual fields, propelling your "spacewalk" observing sessions to celestial heights. With the Big Paracorr Type-2, the clarity of star images is significantly enhanced on all telescope f-ratios down to f/3, without introducing any false color or spherical aberration. This means that even at the edges of the field, objects like the M-13 cluster remain sharply resolved, drifting serenely across your view without the need for constant repositioning.Ease of use is at the heart of the Big Paracorr Type-2 design. It effortlessly slides into your focuser in the same manner as a Barlow lens, while a mild 15% Barlow effect ingeniously extends the focus outward to minimize in-travel. This corrector is not only optimized for Tele Vue eyepieces, including Plossls, Radians, Panoptics, Naglers, Ethos, and Delos, but also maintains compatibility with other eyepiece brands.For visual use, the Big Paracorr Type-2 can accommodate both 2" and 1¼" eyepieces. The 1¼" eyepieces utilize a special low-profile adapter, ensuring a secure and precise fit. Additionally, the corrector is threaded to accept 2" filters, further enhancing its versatility.The Paracorr Type 2 optical assembly is also available in a specialized adapter housing created by Starlight Instruments for their Feather Touch focusers, negating the need for a tunable top and optimizing eyepiece positioning. Some Dobsonian telescope manufacturers have even integrated this advanced corrector as a standard feature with the Feather Touch focuser.Astrophotographers will find the Big Paracorr Type-2 equally indispensable. By detaching the lens assembly from the Tunable Top, the corrector can be adapted for use with DSLR and CCD cameras, requiring only the appropriate threaded accessory tubes and camera mounts for connection.In summary, the Tele Vue Big Paracorr Type-2 for 3" focusers is an essential upgrade for astronomers and astrophotographers alike, designed to deliver the ultimate in sharpness and clarity for an unrivaled observational experience.