2116 products were found matching your search for Luftfilter MANN FILTER C 31 in 3 shops:

Designed for use in combination with telephoto lenses equipped with a slip-in filter holder, these filters reduce glare from non-metallic surfaces such as glass and water. Simply turn the rotating ring on the holder to find the most effective position. This item is sold as seen for spares or repair. Please read the description in full before purchasing. Spares and repairs items do not come with a warranty but do represent potentially excellent value. All faults or issues are fully described. Please Note: This item comes with the filer but no drop-in holder. Due to this issue this item is sold as is for parts.

Protect yourself from swimming or soaking in dirty water. Buy a replacement filter for your Dynamic pool or spa. This affordably priced 5 in. x 13-5/16 in. replacement filter from Tier1 for your Dynamic pool or spa helps reduce sediment with minimal impact on service flow. Give yourself the clean, clear water your pool or spa was intended to provide by changing out your filter every 3-months, or as the quality of your water source dictates. Protect yourself from languishing in muddy water at home by purchasing the inexpensive 5 in. x 13-5/16 in. Tier1 replacement filter for your Dynamic pool or spa from us today.

Enhance your photography and videography experience with the RGB Filter Set 31mm Round with UV/IR Cut L-Filter, meticulously crafted for optimal performance. These unmounted filters, with a robust glass thickness of 2mm, are designed to provide true optical quality, setting them apart from the competition. Unlike many filters on the market that are simply made from raw flame-polished or "optically flat" glass, our filters are constructed from Baader glass substrates, renowned for their superior optical quality. This high-grade material ensures that your images retain their sharpness and contrast, even when used with telescopes, making these filters an excellent choice for both amateur and professional photographers and videographers.Furthermore, Baader Planetarium filters are made from striae-free substrates, a feature that significantly reduces wavefront deformations that can compromise image quality. These filters are fine optically polished flat to within 1/4 wave accuracy over the entire surface, and plane parallel to within 30 seconds of arc. This meticulous attention to detail ensures that every shot you take is of the highest possible quality.In summary, the RGB Filter Set 31mm Round with UV/IR Cut L-Filter offers a superior level of optical clarity and precision, making it an essential addition to your photography and videography equipment.

Discover the transformative power of the 31mm Round f/2 High-speed H-alpha Filter, unmounted, a high-quality and innovative product from the reputable Baader Planetarium. This durable and reliable filter is specifically engineered for the specialized requirements of ultra-fast astrograph optics, including Hyperstar and RASA systems. Unlike conventional narrowband filters that often result in significant transmission loss due to the strong Central Wavelength (CWL) shift, this high-speed H-alpha filter is designed with a CWL-preshift that perfectly aligns with f/2 to f/3 optics. This unique feature ensures that even in extreme cases, the CWL does not shift out of the Full Width at Half Maximum (FWHM), thereby optimizing the FWHM and delivering maximum contrast.This effective filter is a game-changer in the field of astrophotography, particularly for high contrast emission nebulae imaging. It is optimized for use with fast optics between f/1.8 and f/3.5, offering a dramatic improvement over regular sets of narrowband filters. Experience the night sky like never before with this innovative filter, designed to capture the hydrogen-alpha emission line in the sun's spectrum with unparalleled clarity and contrast. Whether you're a seasoned astrophotographer or a beginner in the field, the 31mm Round f/2 High-speed H-alpha Filter, unmounted, is a must-have addition to your astrophotography equipment.

Why settle for anything less than the pinnacle of astrophotography precision? The 31mm Round 3.5nm Ultra-Narrowband H-alpha CCD Imaging Filter, unmounted, is a testament to the fusion of durability and high-quality innovation that Baader Planetarium is renowned for. This filter is meticulously crafted for astrophotographers who demand the utmost in image clarity and detail when capturing the elusive beauty of the cosmos.Designed to work seamlessly with optical systems ranging from f/10 to f/3.5, this filter is a gateway to the extraordinarily narrow 3.5nm H-alpha world. It significantly enhances contrast, allowing even the faintest of stars to emerge with clarity, and provides an increased signal of the faintest nebulae details that are often lost with lesser filters. The result is a breathtaking view of the night sky, with celestial objects revealed in stunning detail.The production of such an ultra-narrowband filter requires exceptional coating uniformity and precise control of the center-wavelength (CWL), ensuring that only the H-alpha wavelength is transmitted. This level of precision is achieved through advanced manufacturing techniques, resulting in a filter with a full width at half maximum (FWHM) that is finely tuned for astrophotography excellence.Reliable and effective, this filter is a crucial tool for any astrophotographer looking to push the boundaries of their craft. Whether you're capturing the intricate structures of a distant nebula or the delicate tracery of a star cluster, the 31mm Round 3.5nm Ultra-Narrowband H-alpha CCD Imaging Filter ensures that your images will be imbued with the depth and detail that only true specialization can provide. Embrace the innovative technology that sets this filter apart and let your astrophotography ascend to celestial heights.

Let your astrophotography ascend to new heights with the 31mm Round f/2 High-speed Narrowband Imaging H-alpha/OIII/SII Filter Set, expertly crafted by Baader Planetarium. This high-quality, durable, and innovative set of three filters is specifically designed to meet the exacting demands of ultra-fast astrograph optics, such as Hyperstar and RASA systems.Each filter in this setfthe H-alpha, OIII, and SIIfis meticulously engineered to overcome the common challenges faced with conventional narrowband filters, which often suffer from significant transmission loss due to the CWL-shift. With a pre-shifted Center-wavelength (CWL) that harmonizes perfectly with f/2 to f/3 optics, these filters ensure that the full width half maximum (FWHM) is not only maintained but optimized for your imaging needs.The result is a filter set that, despite the line broadening typically associated with fast optical trains, delivers maximum contrast and detail. This makes it an effective tool for capturing the intricate structures of emission nebulae with unparalleled clarity. When used with optics ranging from f/1.8 to f/3.5, the filters exhibit a dramatic improvement in image quality, offering a triple signal-to-noise ratio compared to standard narrowband filters at f/2.Versatile and effective, this filter set is an essential addition for any astrophotographer looking to explore the cosmos with fast optics. Whether you're capturing the vibrant hues of a distant nebula or the subtle details of the sun's surface, the 31mm Round f/2 High-speed Narrowband Imaging H-alpha/OIII/SII Filter Set is designed to elevate your celestial photography to professional levels. Experience the universe through your lens with vivid colors and sharp contrasts, thanks to the innovative design and superior performance of these Baader Planetarium filters.

Because capturing the perfect shot requires the right tools, the 31mm Round 7nm H-alpha CCD Enforced Narrowband Filter is an essential accessory for any serious photographer. This 1-1/4" Baader H-alpha CCD Filter, with a full-width half-maximum (FWHM) of 7nm and a diameter of 31mm, is specifically designed to enhance your imaging capabilities. The filter's half-bandwidth of 7 Nanometers makes it an ideal match for Full Frame CCD and CMOS cameras, ensuring optimal performance and image quality. This high-contrast Deep-Sky H-alpha filter is specifically designed for RGB-application, offering a significant advantage in reducing light pollution. What sets this filter apart is its complete freedom from reflections, a feature that enhances the clarity and sharpness of your images. The filter also boasts a 7-layer multicoating on the camera side, which further improves light transmission and reduces glare. The 31mm Round 7nm H-alpha CCD Enforced Narrowband Filter is not just a tool, but a game-changer for photographers seeking to capture the best possible images in challenging lighting conditions. Its plane-optically polished surface ensures a high degree of accuracy, making it a must-have for those serious about their photography.

Why settle for anything less than stellar clarity in your astrophotography pursuits? The Baader Planetarium 31mm Round 4.5nm Ultra-Narrowband Oxygen-III CCD Imaging Filter represents the pinnacle of advanced optical engineering, offering a high-quality, durable solution for the discerning astrophotographer. This innovative filter is specifically designed for fast optical systems ranging from f/8 to f/3, ensuring compatibility with a wide range of CCD cameras.Crafted with an ultra-narrow 4.5nm bandpass, this filter effectively isolates the Oxygen-III line at 500.7nm, which is paramount for capturing detailed images of nebulae and other astronomical phenomena. The narrow bandpass allows for the precise transmission of specific wavelengths of light, significantly enhancing contrast and detail in your images by reducing the effects of light pollution.The Baader Planetarium's commitment to excellence is evident in the filter's construction. It features an IR-blocked design, ensuring that unwanted infrared light does not compromise your images. Additionally, the filter boasts a robust, non-ageing sealed coating on the edges, which prevents deterioration over time and maintains the filter's effectiveness and durability.Photographers will appreciate the meticulous attention to detail that has gone into eliminating common optical issues. The filter is engineered to prevent halos, reflections, and ghosting, ensuring that your images remain clear and true to the celestial subjects you're capturing.Choose the Baader Planetarium 31mm Round 4.5nm Ultra-Narrowband Oxygen-III CCD Imaging Filter for its unparalleled ability to deliver crisp, high-contrast images. Its innovative design and advanced technology make it an essential tool for any astrophotographer looking to elevate their imaging capabilities to new heights.

Enhance your astrophotography experience with the F/2 Sulfur-II High-speed Narrowband Filter, a 31mm round, unmounted filter from Baader Planetarium. Specifically designed for use in fast optical systems such as Celestron's Rowe-Ackermann Schmidt Astrograph (RASA) and Starizona's Hyperstar systems, this high-quality filter is a game-changer in the field of celestial imaging.Traditional narrowband filters often result in significant transmission loss due to the strong center wavelength (CWL) shift. In extremely fast cases, the CWL can even shift out of the filter's full width half maximum (FWHM) transmission. However, this innovative S-II filter has a CWL-preshift that perfectly aligns with f/2 to f/3 optics, effectively eliminating this issue.Despite the typical line broadening associated with fast optical trains, this durable and reliable filter delivers maximum contrast, allowing for more vivid and accurate colors in your images. It's specifically designed to enhance high contrast emission nebulae imaging, making it an essential tool for any serious astrophotographer.Experience a dramatic improvement in your astrophotography when using this filter between f/1.8 and f/3.5, compared to regular sets of narrowband filters. With the F/2 Sulfur-II High-speed Narrowband Filter, you can truly harness the power of fast optics and capture the beauty of the cosmos in stunning detail.

A 31mm Round f/2 High-speed Oxygen-III Nebula Filter, Unmounted, is a specialized narrowband filter, meticulously engineered to meet the intricate needs of ultra-fast astrograph optics, specifically Hyperstar and RASA. Traditional narrowband filters often suffer from significant transmission loss due to a pronounced CWL-shift. In severe instances, the CWL may even shift out of the FWHM (CWL= Center-wavelength / FWHM= full width half maximum). To counteract this, our filters feature a CWL-preshift that perfectly aligns with f/2 to f/3 optics. The FWHM of this high-speed Oxygen-III Nebula Filter is expertly optimized. Despite the common line broadening associated with fast optical trains, this filter is capable of delivering maximum contrast, making it an essential tool for astrophotography. For the first time, these filters enable effective use of fast optics for high contrast emission nebulae imaging. When used between f/1.8 and f/3.5, these filters demonstrate a significant improvement over standard sets of narrowband filters. This 31mm Round f/2 High-speed Oxygen-III Nebula Filter, Unmounted, is a game-changer for astrophotographers seeking to capture the breathtaking beauty of the cosmos with unparalleled clarity and contrast.

You can elevate your astrophotography experience with the Baader Planetarium 4.5nm Sulfur-II Ultra-Narrowband CCD Filter. This high-quality, unmounted 31mm round filter is specifically engineered for fast optical systems with focal ratios between f/3 to f/8. Designed with innovative technology, this filter is IR blocked and features anti-reflection coatings, ensuring your images are free from halos and ghosting. This means you can capture the celestial world with unparalleled clarity and detail. The Baader S-II filter is not just effective, but also durable. It boasts non-ageing sealed coated edges, promising a long lifespan for your astrophotography adventures. This reliable filter is your ideal companion for narrowband S-II imaging, adept at blocking out unwanted light and allowing only the desired wavelengths to pass through. With this filter, you can capture more accurate and detailed images of the cosmos, making it a must-have tool for every astrophotography enthusiast. Experience the difference with the Baader Planetarium 4.5nm Sulfur-II Ultra-Narrowband CCD Filter.

Give your Coleman swimming pool pump its best performance by using the Coleman Filter Cartridge Type III A/C 12-Pack.This filter cartridge sifts out the debris and dirt in your above-ground swimming pool so the pump can refill it with clean pool water. It's recommended you replace your filter cartridge every few weeks to ensure your pool obtains the highest standard of cleanliness and hygiene. When you maintain your pool's filter, the water in your pool stays attractive and fresh all summer long, which makes it all the more enjoyable for your family and friends.This replacement cartridge is compatible with all Coleman brand pools with 1,000 GPH and 1,500 GPH pool filter pumps (listed below). It's also compatible with 1,000 and 1,500 GPH Bestway swimming pool filter pumps.Coleman Power Steel Round Frame Pools compatible with Coleman Filter Cartridge:Part number 90337 (14 feet x 42 inches)90321 (16 feet x 48 inches)90323 (18 feet x 48 inches)90331 & 13889 (22 feet x 52 inches)90338 (26 feet x 52 inches)90335 (18 feet x 9 feet x 48 inches).

Give your Coleman swimming pool pump its best performance by using the 3-pack of Coleman Type III A/C Filter Cartridges.These filter cartridges sift out the debris and dirt in your above-ground swimming pool so the pump can refill it with clean pool water. It's recommended you replace your filter cartridge every few weeks to ensure your pool obtains the highest standard of cleanliness and hygiene. When you maintain your pool's filter, the water in your pool stays attractive and fresh all summer long, which makes it all the more enjoyable for your family and friends.These replacement cartridges are compatible with all Coleman brand pools with 1,000 GPH and 1,500 GPH pool filter pumps (listed below). It's also compatible with 1,000 and 1,500 GPH Bestway swimming pool filter pumps.Coleman Power Steel Round Frame Pools compatible with Coleman Filter Cartridge:Part number 90337 (14 feet x 42 inches)90321 (16 feet x 48 inches)90323 (18 feet x 48 inches)90331 & 13889 (22 feet x 52 inches)90338 (26 feet x 52 inches)90335 (18 feet x 9 feet x 48 inches).

Experience the power and versatility of the RF 16mm F2.8 STM Lens, a compact and lightweight solution designed to enhance your photography and videography with any EOS R series digital camera. This lens offers an ultra-wide angle of view, making it an ideal choice for capturing expansive landscapes, intricate interiors, and stunning starscapes. The bright f/2.8 aperture ensures excellent performance in low-light conditions, allowing you to capture the beauty of the night sky or the ambiance of dimly lit interiors. The 16mm F2.8 lens also allows for creative experimentation with perspective, providing a unique view of your subjects.The RF 16mm F2.8 STM Lens also excels in close-up photography, with a close focusing distance of just 5.11 inches. This feature allows you to get up close to your subject while still maintaining a wider view of the background, perfect for creating depth and context in your images.For video enthusiasts and vloggers, this ultra-wide lens is a game-changer. Its lightweight design makes it easy to carry and handle, while the wide angle of view ensures you capture every detail of your surroundings. When used in conjunction with an EOS camera and EOS Webcam Utility, it serves as an excellent webcam lens for high-quality video calls.In summary, the RF 16mm F2.8 STM Lens, bundled with the Canon EW-65C Lens Hood, 43mm Multi Coated UV Slim Filter, and Cleaning Kit, offers a remarkable combination of optical excellence and refined performance. Its compact size and light weight make it an easy-to-carry companion for your EOS R series digital camera, ready to enhance your photography and videography experiences.

Let the Canon Drop-in Circular Polarizing Filter PL-C 52 (WIII) elevate your photography to new heights. This high-quality, durable filter is designed to seamlessly integrate with your Canon EF 400mm f/2.8L IS III USM and EF 600mm f/4L IS III USM lenses, enhancing their performance and versatility. The PL-C 52 (WIII) is not just a filter, but a tool for precise control over your images. Its unique drop-in design allows you to rotate the filter from the outside without removing it from the lens, providing you with the ability to adjust the level of polarization on the fly. This feature makes it an easy-to-use and effective solution for reducing glare and reflections, increasing contrast and saturation, and improving overall image quality.Crafted by Canon, a brand synonymous with excellence in photography equipment, this filter is designed to match the color of the new Great Whites version III lenses. Despite its robust functionality, it maintains a lightweight profile, ensuring it doesn't add unnecessary weight to your camera setup. Whether you're a professional photographer or a passionate hobbyist, the Canon Drop-in Circular Polarizing Filter PL-C 52 (WIII) is a versatile addition to your gear, capable of transforming your photographic output with its superior performance.

Take your photography to the next level with the 52mm Circular Polarizing Filter (Rear Drop-in). This high-quality, durable filter is designed to enhance your images by effectively reducing glare and reflections, increasing contrast and saturation, and improving overall image quality. Ideal for outdoor photography, this versatile filter is especially useful for taming glare on water surfaces and deepening the blue of the sky, making it a perfect companion for wildlife and landscape photographers. The easy-to-use adjustment wheel allows for precise control, enabling you to rotate the filter from the outside without removing it from the lens. Designed with superior optics, this filter ensures sharp, clear images with every shot. It is compatible with a wide range of Canon lenses including EF 200 f/1.8L, 300 f/2.8L, 400 f/2.8L/LII, 500 f/4.5L, and 600 f/4L, making it a versatile addition to any Canon gear collection. Whether you're a professional photographer or an enthusiastic hobbyist, the 52mm Circular Polarizing Filter (Rear Drop-in) is an essential tool for capturing stunning, high-quality images.

Be in control of your photography with the 52 Circular Polarizer Filter (Drop-in) #52WII. This high-quality, durable filter is designed for precise control, allowing you to rotate it from the outside without the need to remove it from the lens. This efficient feature saves you time and effort, making it a reliable choice for professional photographers and enthusiasts alike. The 52 Circular Polarizer Filter (Drop-in) #52WII is compatible with a range of lenses, including the EF 300mm f/2.8L IS II, EF 400mm f/2.8L IS II, EF 400mm f/4 DO IS II USM, and EF 200 400mm f/4L IS USM Extender 1.4X. This versatility makes it a valuable addition to any photography kit. As a circular polarizer filter, it is designed to reduce glare and reflections, increase contrast and saturation, and enhance the overall image quality. It works by filtering out horizontally polarized light, which is often responsible for the glare and reflections in images. By reducing this type of light, the 52 Circular Polarizer Filter (Drop-in) #52WII helps to improve the overall contrast and saturation of an image, while also minimizing lens flare and ghosting. Experience the difference a high-quality, versatile, and reliable filter can make in your photography with the 52 Circular Polarizer Filter (Drop-in) #52WII.

Meet the VEVOR 2 in. x 50 ft. Backwash Hose. Made from double-woven PVC material, this discharge hose is ready for the long haul it comes with camlock C & E fittings and 4 clamps for a secure fit. Pool drainage, filter cleaning, liquid pumping, farm irrigation, industrial waste disposal - this hose can handle them all.

Make sure your pool always looks great by using this Type C 4.13 in. x 8 in. Replacement Pool Filter Cartridge (4 Pack). You'll only need to replace it every two weeks. Use this on easy set pools that range from 10 ft. to 18 ft.

Discover the transformative power of the Tiffen 52mm 81C Warming Glass Filter, a must-have accessory for photography enthusiasts and professionals alike. This high-quality filter is part of the renowned 81 series, specifically designed to optimize daylight-corrected film in cool light conditions. As you progress through the series, you'll notice an increase in both density and warmth, enhancing your images with a rich, inviting glow.Constructed with durable, top-tier materials, this versatile filter is designed to withstand the rigors of frequent use. It's an effective tool for clarifying whites and intensifying colors, adding depth and dimension to your photographs. Whether you're capturing a serene landscape or an intimate portrait, the Tiffen 52mm 81C Warming Glass Filter can help you achieve your desired aesthetic.This filter is compatible with a wide range of camera lenses, thanks to its standard 52mm diameter. It's an affordable solution for photographers looking to elevate their work without investing in multiple, specialized lenses. With the Tiffen 52mm 81C Warming Glass Filter, you can transform your photography and create stunning, professional-grade images.