Specification Sheet
Lens
Focal Length & Maximum Aperture 800mm, f/11
Minimum Focusing Distance 19.69 ft / 6.0m
Maximum Magnication 0.14x
Lens Construction 11 elements in 8 groups
Special Elements Gapless double-layer diractive optics
Filter Size Diameter Ø95mm
Aperture Blades None
IS (CIPA standard correction eect) 4 stops (When using the EOS R)
Minimum Overall Length
When shooting: approx. 13.85 in. / 351.8 mm
When retracted: approx. 11.09 in. / 281.8 mm
Maximum Outer Diameter x Length Approx. 4 in. x 13.9 in. / 101.6mm x 351.8mm
Weight Approx. 2.77 lbs. / 1260g
Specications
RF800mm F11 IS STM