Canon RF Autofocus OIS

Canon RF 800mm F5.6L IS USM

Focal length: 800 mm
Aperture: f/5.6
Weight: 3140 g
Filter diameter: 52 mm
Min. focus distance: 260 cm
Length: 432 mm

At a Glance

The 800 mm telephoto prime for full-frame Canon RF has an f/5.6 aperture and an optical stabilizer. Its 2.6 m minimum focus distance gives a magnification of 1:2.94 (0.34x), a strong close-up ability at this focal length. It weighs 3.1 kg, is dust and moisture resistant and works with teleconverters. Wildlife, birds and sports are its typical fields.

Good for

Wildlife
Birds
Sports

Worth knowing

At 3.1 kg it is heavy: a monopod or tripod helps for longer sessions.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

Min. focal length: 800 mm
Max. focal length: 800 mm
Max. aperture (min. zoom): f/5.6
Max. aperture (max. zoom): f/5.6
Min. aperture: f/64
Elements: 26
Groups: 18
Weight: 3,140 g (6.92 lb)
Filter diameter: 52 mm
Min. focus distance: 260 cm (102.36 in)
Max. magnification: 1:2.9 (0.34×)
Length: 432 mm (17.01 in)
Diameter: 163 mm (6.42 in)
Released: May 2022

Manufacturer data: global.canon

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Canon RF 800mm F5.6L IS USM fit?

The Canon RF 800mm F5.6L IS USM is a full-frame lens for Canon RF cameras. On full-frame bodies it uses the whole sensor; on APS-C Canon RF cameras its field of view equals 1280 mm in full-frame terms.

Canon RF cameras

Full frame:: Canon EOS R8 Mark II,Canon EOS R6 V,Canon EOS R6 Mark III,Canon EOS C50,Canon EOS R1,Canon EOS R5 Mark II,Canon EOS C400,Canon EOS C80,Canon EOS R8,Canon EOS R6 Mark II,Canon EOS R5 C,Canon EOS R3,Canon EOS R5,Canon EOS R6,Canon EOS Ra,Canon EOS RP,Canon EOS R
APS-C:: Canon EOS R50 V,Canon EOS R100,Canon EOS R50,Canon EOS R7,Canon EOS R10,Canon EOS C70