Description

The Canon RF100-300mm F2.8 L IS USM, brings zooming capabilities to the proven 300mm f 2.8 concept. This lens is aimed directly at professional and very high-end video and still-image users that want gorgeous background bokeh that makes imagery “pop”, such as theater work, event candid’s at a distance, indoor sports like swimming, gymnastics, and basketball.

Product Highlights:

– Telephoto zoom lens that builds on the legacy of the popular EF300mm f 2.8 lens.

– Fast f 2.8 maximum aperture throughout the whole zoom range for great control over depth of field, bokeh, and low-light shooting with fast and reliable autofocus.

– Excellent image quality: highlights include one flourite lens, and 4 UD (Ultra-low Dispersion) glass elements, flourine coating, and Canon SSC (Super Spectra Coating) to minimize ghosting and flare.

– Built-in function focus preset selector switch allows you to program a focus preset recall into the buttons at the front of the lens.

– Optical image stabilization — up to 5.5 stops of shake correction. Up to 6.0 stops Coordinated IS when paired with EOS R series cameras featuring In-Body Image Stabilizer (IBIS).

– 2 Nano USMs achieves outstanding image quality throughout the focusing range, from infinity to close-up thanks to 2 focusing groups that are independently actuated.

– Dedicated, programmable Control Ring, with click-stop operation.

– Impressively light at only 5.8 lbs., which makes it the lightest f 2.8 zoom lens with a 300mm focal length on the market.

– Circular (9 blades) aperture for beautiful, soft backgrounds.

Product Features:

High-Performance Constant f 2.8 Maximum Aperture

It is no easy feat, but this lens offers an incredible f 2.8 maximum aperture throughout the entire zoom range, giving you all the benefits that incorporates from great low-light performance to incredible bokeh and fast shutter speeds.

Excellent Image Quality – Lenses and Coatings

The Canon RF100-300mm F2.8 L IS USM offers excellent optical quality, edge-to-edge. Its optical design includes one fluorite lens, 4 UD (Ultra-low Dispersion) glass elements, fluorine coating, and Canon SSC (Super Spectra Coating) to minimize ghosting and flare.

Optical Image Stabilization — Up to 5.5 Stops of Shake Correction

For consistently sharp results, the RF100-300mm F2.8 L IS USM features built-in optical Image Stabilization, providing enhanced shake reduction for up to 5.5 stops of shake correction. When paired with an EOS R-series camera that has In Body Image Stabilization (IBIS), the Coordinated IS allows for up to 6 stops of correction. This means more reliable handheld performance and clearer detail in low-light situations, without having to increase the ISO or decrease the shutter speed.

Dual USM Focusing System

The Canon RF100-300mm F2.8 L IS USM offers incredible focus speed and accuracy throughout the entire focus range thanks to dual Nano USMs that are independently actuated (especially useful when tracking moving subjects). This design even helps makes the weight of the lens more balanced reducing fatigue when held by hand.

Control Ring For Direct Setting Changes

The RF100-300mm F2.8 L IS USM lens incorporates a Control ring on the lens barrel that can directly adjust numerous settings including shutter speed, aperture, exposure compensation and more. Located towards the front of the lens and effectively adding a third dial to the EOS R camera s main dial and quick control dial.

Just Add Lightness

Coming in at just under 6 lbs (5.8lbs), the RF100-300mm F2.8 L IS USM lens is the lightest f 2.8 300mm zoom lens on the market. Certainly light enough to hand-hold for short periods of time.

Focus Preset Button

The lens features a focus preset button near the back of the lens for easy reach with a finger on your right hand during use. This allows you to pre-focus on the spot that you expect action, and immediately jump to the memorized position via the focus preset button. Full AF or manual focus operation remains available, as well. There is a sliding switch on the barrel that allows you to program the AF preset, recall it, or you can slide the switch to “L-Fn” to utilize that button as a programmable function button instead.

Function Buttons

The front of the lens features function preset buttons so you can program a specific function to occur at the press of one of the buttons (there are four buttons surrounding the lens so there is always one within reach, they all perform the same preset function).

9-Blade Circular Aperture For Beautiful Bokeh

The RF100-300mm F2.8 L IS USM lens incorporates a Control ring on the lens barrel that can directly adjust numerous settings including shutter speed, aperture, exposure compensation and more. Located towards the front of the lens and effectively adding a third dial to the EOS R camera s main dial and quick control dial.

Compatible with Extenders

To help get you even closer to the subject, attach the compatible Extender RF1.4x or Extender RF2x to the RF100-300mm F2.8 L IS USM. Expand effective telephoto power to 140-420mm at f 4 with the Extender RF1.4x, or to effective 200-600mm at f 5.6 using the Extender RF2x. The extenders allow even more telephoto reach when it’s needed, yet allow the user to convert back to an f 2.8 lens for low-light situations by simply removing the extender.

Dust and Weather-Resistant Design, With Fluorine Coating On Front Element For Easy Cleaning

Built to L series lens specifications, the RF100-300mm F2.8 L IS USM features a highly durable design for excellent performance even in inclement weather conditions. It delivers a dust and water-resistant construction with seals around the mount, switches, rings and more. To help maintain a clean lens in sub-optimal conditions, the RF100-300mm F2.8 L IS USM has a specially designed fluorine coating on its front surface. The coating helps to prevent water, oil and other surface residue like fingerprints from sticking to the lens, which facilitates quick and easy wiping, without the use of solvents.

Product Specifications:

Focal Length		100-300mm
Maximum and Minimum Aperture		f 2.8 – f 22
Lens Mount Type		RF Mount
Compatible Cameras		Canon EOS R-series, APS-C and full-frame
Minimum Focusing Distance		1.8m (5.9 ft.) at all focal lengths
Maximum Magnification		0.06x (at 100mm); 0.16x (at 300mm)
Field of View		Approx. 566mm × 376mm (22.3 in. x 14.8 in.) at 100mm | Approx. 222mm × 149mm (8.7 in. x 5.9 in.) at 300mm
Angle of View (Diagonal)		Approx. 24° – 8° 15
Lens Construction		23 elements in 18 groups
Special Elements		(One) Flourite element, (Four) UD elements, (One) Aspherical element
Lens Coating		Canon SSC (Super Spectra Coating), Flourine coating, ASC
Filter Size Diameter		ø112mm (accepts screw-in filters); no rear drop-in filters
Aperture Blades		9
Image Stabilization		5.5 stops correction with in-lens Optical Image Stabilization (6 stops Coordinated IS with EOS EOS R5 and similar IBIS-equipped models)
Focusing Drive System		(two) Nano USM focus motors
Full-time Manual Focusing		Yes, (Supports both ONE SHOT AF and SERVO AF with compatible EOS R-series cameras)
Dual Pixel CMOS AF Coverage@999br> (Horizontal x Vertical)		EOS R – Approx. 88% x 100% | EOS R5 R6 – Approx. 90% x 100% | EOS R3 R7 R10 – Approx. 100% x 100%)
Control Ring		Provided, with click-stops
Manual Focus Ring		Electronic ring system: Full-time Manual focus possible | No physical limit to ring rotational angle | No Manual focus speed adjustment possible
AF MF Switch		Provided
MF Control Ring Switch		None – separate MF and Control Rings on lens
Distance Scale		None: Distance scale available in EVF or Live View LCD screen of compatible EOS R-series cameras
Distance Limiter Switch		Provided: Full 6m (19.7 ft.) to infinity
Dust Weather Resistant Construction		Yes
Maximum Outer Diameter x Length		Approx. ø5.1 in. x 12.7 in. (ø128mm x 323.4mm)
Weight		Approx. 93.5 oz. 5.8 lb. 2650g
Warranty		Canon 1-year Warranty

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