Full Name: Canon RF 800mm f/5.6L IS USM Lens
Product Type: Super-Telephoto Prime Lens
Lens Mount: Canon RF Mount (compatible with Canon EOS R-series mirrorless cameras)
Best for: Sports, wildlife, bird, and journalism photography.
Optical Specifications
Focal Length: 800mm
Maximum Aperture: f/5.6
Minimum Aperture: f/64
Lens Construction: 26 elements in 18 groups
Special Elements: Includes two fluorite, one Super UD, and one UD element to reduce chromatic aberrations and improve clarity.
Coatings: Features Air Sphere (ASC) and Super Spectra Coatings to minimize flare and ghosting.
Diaphragm Blades: 9, rounded for a smooth bokeh.
Angle of View (Diagonal): 3° 05'
Minimum Focusing Distance: 8.5 ft. / 2.6 m
Maximum Magnification: 0.34x
Focusing and Image Stabilization
Autofocus System: Ring-type Ultrasonic Motor (USM) for fast, quiet, and precise autofocus.
Image Stabilization: Up to 4.5 stops of optical image stabilization (when used with a camera featuring in-body image stabilization).
Focus Control:
Full-time manual focus override.
Focus Distance Range Limiter with three positions: Full, 2.6m - 20m, and 20m - infinity.
Customizable Electronic Focus Ring.
Two focus presets can be stored for quick recall.
Physical Specifications
Filter Size: 52mm (drop-in)
Dimensions (Diameter x Length): Approx. 6.4 x 17 inches (163 x 432 mm)
Weight: Approx. 6.9 lbs. (3140 g)
Construction: Durable, weather-sealed design with a heat-shielding white paint finish.
Tripod Collar: Includes a fixed and rotating tripod collar.
Compatibility & Included Items
Extender Compatibility: Fully compatible with Canon's RF Extender 1.4x and 2x.
With RF Extender 1.4x: Focal length becomes 1120mm with a maximum aperture of f/8.
With RF Extender 2x: Focal length becomes 1600mm with a maximum aperture of f/11.
Included Accessories: Typically comes with a lens cap (E-180E), lens dust cap (RF), lens hood (ET-155), and a soft lens case (LS600).