By combining the versatility of a zoom with the reach and speed of a renowned telephoto concept, the Canon RF 100-300mm f/2.8 L IS USM is a comprehensive lens for indoor sports, events and theater, fashion, and other subjects that benefit from the unique combination of long reach, high speed, expert image stabilization, and fast autofocus.
Building on the legacy of the popular EF 300mm f/2.8 prime lenses, this RF 100-300mm f/2.8 maintains the quality and speed sought by 300mm f/2.8 photographers while also adding the versatility of a zoom that extends to 100mm.
- The 100-300 mm zoom design offers more versatility to track moving subjects, capture spontaneous moments from a distance, and step back from scenes to achieve a wider frame for more context.
- Despite switching to a zoom design, this lens retains a bright and constant maximum aperture of f/2.8, which stands out in available lighting conditions and helps achieve a shallow depth of field to isolate subjects against a blurred background.
- The completely new optical design includes fluorite elements and ultra-low dispersion glass, in addition to an aspherical element, to achieve a higher degree of clarity and sharpness with virtually no distortion.
- Canon's Air Sphere Coating (ASC) and Super Spectra Coating (SSC) minimize ghosting and flare to enable better performance in backlit conditions or in situations with intense lighting.
As a lens designed for sports, events, and other moving subjects, the AF and IS functions have been optimized for fast and precise performance, along with the ability to work with the lens handheld or from a monopod if desired.
- The Dual Nano USM system utilizes a ring-type USM mechanism and an STM mechanism to achieve fast and precise focusing. The smooth and nearly silent focus is suitable for both photography and video applications, and permanent manual focus control is available.
- Two separate focus groups are activated independently to maintain greater sharpness throughout the zoom range and at different focus positions.
- The focus range limiter can be set to the full focus range, from 5.9' to infinity, or from a range of 19.7' to infinity for faster performance when working exclusively with distant subjects.
- Optical image stabilization compensates for up to 5.5 stops of camera movement; if combined with an EOS R camera with in-body image stabilization, this lens also supports coordinated IS, offering up to 6 stops of motion correction.
Design and management of the L series
The first of its kind lens specifically designed for EOS R mirrorless cameras, this RF 100-300mm f/2.8 zoom features the durability, weather sealing, and intuitive design that professionals expect from an L Series lens.
- The weather-resistant design allows work in harsh environments and prevents dust and moisture from entering the lens. Additionally, there is a fluorine coating on the front that prevents water, oils, and other types of residues from sticking to the lens, making it easier to clean.
- Impressively lightweight for its speed and zoom range, this lens weighs 5.8 lb and measures 12.7" in length.
- The internal focus and zoom design maintains the total length of the lens during operations and promotes faster operations and more robust weather sealing.
- The built-in rotating tripod mount allows you to work with the lens on a monopod or tripod and enables quick switching between vertical and horizontal shooting orientations.
- For intuitive handling and focus control, there is a focus preset button near the rear of the lens, which can be activated with the right hand during use. This feature allows you to pre-focus on a point, store this focus distance, and instantly return to the memorized position with just a press of this button. Alternatively, a side switch allows this button to be used as a secondary lens function button (L-Fn).
- Four L-Fn buttons surround the front of the lens and can be programmed to control a variety of lens or camera functions.
- The programmable control ring can be used forIt is the adjustment based on lenses of various exposure or camera configurations and comes with a click-stop operation by default for tactile feedback.
- Compatible with optional RF Extender 1.4x and 2x teleconverters to further extend the effective reach of this lens.
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