Specifications – Canon 7S User Manual
Page 26
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Canon Mirror Lens 800 mm, 2000 mm
Canon lens 800 mm F 3.8 and 2000 mm F 11 are extra-
long telephoto lenses for use with Canon single-lens
reflex camera. They are especially suited for shooting
very distant subjects such as in news photography and
covering sports from the stand.
The lenses can also be used for television broadcasting
with the use of mounts, TV 88, RCA and PYE.
The 800 mm F 3.8 Is very effective for TV broadcasting
with Its fast lens speed. The 2000 mm F 11 lens boasts
an extraordinary high performance of 40 x magnification
when compared with the standard 50 mm lens.
Specifications:
800 mm Lens
2000 mm Lens
Use:
Image orthicon camera and Canon single-reflex-lens type cameras.
Type:
Extra-long-telephoto shooting lens using catadioptric system.
Main Mirror:
1
1
Auxiliary Mirror:
1
1
Lens Speed:
1 :3.8
1 :11
Correction Lens:
3 elements, 2 groups
5 elements, 3
groups
Coating:
Mirror part is amber. Correction lens is Canon’s exclusive spectra
hard coating.
Effective max. Format Covered:
43.2 mm 0 (24X36 mm).
Range of
Focal Lengths:
800 mm
2000 mm
Angte>of-view:
2° X 1°41’
1^ X 40’
Aperture Opening: 3.8,5.6,8,11,16,22
11,16,22,32
Light volume is adjusted with ND filter.
Focusing:
Performed by moving auxiliary mirror and image orthicon.
Exterior Measurements:
Refer to diagram.
Weight:
15 kg (33 lbs.)
11 kg (24.2 lbs.)
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