RF 800mm F11 IS STM

Focus

Autofocus

Mount

Canon RF

Format

35mm full frame

Groups

8

Elements

11

Weight

1260g

Filter Thread

95mm

Length mm

351.8

Spec Notes

FIXED f/11, no diaphragm (Canon: 'Aperture Blades: None') → blades omitted. Front 95mm filter thread (unusual for the focal length). Retractable: 351.8mm shooting / 281.8mm retracted. Gapless double-layer DO element.

Stabilized

Yes

Diameter mm

101.6

Max Aperture

f/11

Min Focus Distance

600cm

Weight Basis

Canon Approx., excl. caps/hood

Min Focus Basis

Canon: from focal plane