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Bryan Peterson's previous book, Understanding Exposure, was a runaway success and has sold over a quarter of a million copies worldwide Now, in this companion volume, he goes into one aspect of exposure - shutter speed - in depth. A whole series of examples of the same shot taken with the wrong shutter speed and then with the right one illustrate the crucial difference the correct choice can make, especially when dealing with the challenges presented by a fast-moving subject or poor lighting conditions. With the help of this book photographers at all levels of experience and using both digital and film formats will quickly develop the confidence to deal with techniques for freezing motion, blurring it, panning or zooming, including using Photoshop to render motion effects. Bryan Peterson, also the author of Understanding Exposure (9780817463007), Learning to See Creatively and Understanding Digital Photography, is a professional photographer and teacher of photography. He writes a column for the American magazine Popular Photography and runs workshops and online photography courses on PPSOP.com. He has homes in both the US and France.

Let the Speed Booster Ultra 0.71x Adapter unlock the full potential of your Canon full-frame EF-mount lenses when paired with Micro Four Thirds-mount cameras. This high-quality, innovative adapter is designed to enhance your photography by increasing the maximum aperture by 1 stop, thus allowing for faster shutter speeds and superior performance in low-light conditions. The adapter's 0.71x magnification factor effectively reduces the crop factor of Micro Four Thirds cameras from 2.0x to 1.4x, expanding your field of view and enabling a more comprehensive capture of your subject.Crafted with a patented 5-element/4-group optical design that incorporates ultra-high index tantalum-based optical glass by Caldwell Photographic in the USA, the Speed Booster Ultra ensures exceptional image quality. The optical prowess of this adapter not only maintains but improves the MTF (Modulation Transfer Function) of any attached lens, promising sharp, clear images even when utilizing top-tier lenses like the Zeiss Otus series.On the electronic side, this durable and compact adapter boasts seamless integration with Panasonic Micro Four Thirds cameras, providing autofocus capabilities that are both accurate and reliable. The adapter can be powered by the camera body or an external 5V power source (not included), and it supports electronic manual focusing for select lenses. Additionally, it offers image stabilization support and transmits EXIF data such as focal length and aperture to the camera, ensuring a versatile and user-friendly experience.The Speed Booster Ultra is also equipped with a detachable tripod foot compatible with Arca Swiss, Markins, and Photo Clam ball heads, and it features a flocking material coating to minimize internal reflections. While it is optimized for Micro Four Thirds sensors, it is important to note that certain limitations apply, such as the need for modification of EF-S lenses and the lack of autofocus support for JVC and Olympus cameras.Choose the Speed Booster Ultra 0.71x Adapter for its compatibility with a wide range of Canon EF lenses and its ability to deliver a narrower depth of field and wider perspective. This adapter is the perfect tool for photographers and videographers looking to leverage the quality of their full-frame lenses on Micro Four Thirds camera bodies. Whether you're shooting stills or video, the Speed Booster Ultra is engineered to enhance performance without compromising the integrity of your master lens.

Advanced three-stop Image Stabilizer (IS) technology makes the EF 70-300mm f/4-5.6 IS USM an ideal telephoto zoom for shooting in dim light and at slow shutter speeds without incurring camera shake.

What's the best way to beat the heat? Our Exhaust Fans are the quickest and most effective solution. Summer heat, humidity, and odors are dissipated with a single fan. It provides superior ventilation in any space to keep your living space cooler and more comfortable year-round. When not running in winter, the shutter will close automatically, keeping your house warm and your fan secure from rain. Start creating a healthy, secure home environment today with VEVOR!. Color: Sliver.

VEVOR 16'' Shutter Exhaust Fan, High-speed 2000 CFM, Aluminum Wall Mount Attic Fan with AC-motor, Ventilation and Cooling for Greenhouses, Garages, Sheds, Shops, FCCExcellent VentilationPowerful MotorAutomatic ShutterHeavy-duty PerformanceFully AssembledVentilate AnywhereRotating Speed: 1450 RPM,Air Volume: 2000 CFM,Voltage: AC 120 V / 60 Hz,Color: Silver,Model: VV-ACPQS-16,Material: Aluminum Alloy, Galvanized Steel,Power: 115 W,Certification: FCC,Weight: 14.3 lbs / 6.5 kg

The Shutter Exhaust Fan is perfect for removing excess heat, moisture and unpleasant odors from virtually any commercial location, including restaurants, factories, warehouses, barns and greenhouses. This fan features aluminum blades which provides longevity to the fan and will prevent any rust from forming. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver.

This 7 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling, this industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.

This 12 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Black. Material: Aluminum.

This 24 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.

This 12 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.

This 20 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.

These 7 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.

This 16 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.

This 7 in. shutter/exhaust fan with automatic shutters is suitable for cooling and ventilating spaces such as garages, attics, greenhouses, shops, or chicken coops. It can serve as a replacement for an AC unit and helps remove excess heat, moisture, and unpleasant odors from the area. The fan comes fully assembled out of the box, making it convenient for installation. The motor is completely enclosed, thermally protected, and permanently lubricated, ensuring safe and reliable performance. Color: Silver. Material: Aluminum.

This 20 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.

This 18 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.

This 12 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.

This 18 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.

This 7 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.

This 7 in. shutter/exhaust fan with automatic Shutters can help replace your ac unit by cooling your garage, attic, greenhouse shop or chicken coop. Can easily be added to a window opening or opening in the wall along with a thermostat to optimize cooling. This industrial grade shutter fan can solve all of your cooling and ventilation needs. Color: Silver. Material: Aluminum.