Canon AT 1 - Manual (Page 13)

SPECIFICATIONS
Type; 35mm SLR (Single-Lens-Reflex)
Camera with focal plane shutter.
Picture Size: 24 x 36mm
Interchangeable lenses: Canon FD series
lenses for full aperture metering. Canon
FL series lenses for stopped-down
metering.
Standard Lenses: Canon FD 55mm f/1.2
S.S.C.
Canon FD 50mm f/1.4 S.S.C.
Canon FD 50mm f/1.8 S.C.
Lens Mqunt: Canon Breech-Lock Mount.
Canon FD, FL, and R lenses can be
mounted for use.
Viewfinder: Fixed eye-level pentaprism.
Field of View: 93.5% vertical and 96.3%
horizontal coverage of the actual picture
area.
Magnification: 1:0.82 at infinity with a
standard 50mm lens.
Dioptric Adjustment Lens S: Standard —1
diopter.
Interchangeable with -t3,
+
2
,
-1-1.5, -i-1,
-(■0.5, 0, —0.5, —2, —3, and —4 diopters.