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"Ahh...
you want a cheaper AE-1?"
The AE-1 with shutter speed-priority AE and
TTL metering became wildly popular in Japan and overseas. However in a few
overseas markets, the AE-1 had a high price tag. There were also many users who
still preferred manual metering.
In response to these people, the AT-1 was
developed. It had the same body as the AE-1. It featured match-needle metering
and TTL centerweighted averaging metering with CdS photocell. The camera could
use the same accessories as the AE-1. So, the AT-1 is
essentially an AE-1 without shutter speed-priority AE. It was produced to
satisfied some overseas markets where price is a main factor for consideration
for an SLR camera.
And for those who still preferred manual metering, the AT-1
was there to serve.
 |
It
shares almost the same dimension as the AE-1. |
|
It has a
match-needle metering and TTL centerweighted averaging metering (but with a
less sensitive CdS photocell than comparative bodies around its time). |
|
Accessories
like Winders, Databack A and Speedlites designed for the AE-1 can be used
and shared. |
Marketed:
1976, Discontinued:
CANON AT-1 SPECIFICATIONS
| Type: 35mm focal-plane shutter SLR camera
|
| Picture Size:
24x36 mm
|
|
Lens
Mount: CANON breech-lock bayonet (FD coupling) |
|
Viewfinder
Type: Fixed
 |
Viewfinder
information:
Fixed eye-level pentaprism. 0.82x magnification, Split-image rangefinder
encircled by microprism rangefinder at center of fresnel matte screen.
Metering match needle, overexposure warning (also battery check
indicator), and underexposure warning provided. |
|
|
Focusing
Screen: Fixed split-image/microprism screen
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Focusing
Method's:
Manual DPT: -1.0 |
|
|
Shutter:
Four-axis, horizontal-travel focal-plane shutter with cloth curtains.
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Shutter
Speeds: X, B, 2, 1, 1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/125, 1/250,
1/500, 1/1000 sec. All speeds controlled electronically. Built-in
self-timer (with blinking LED). |
|
|
Flash
Sync: X , 1/60 sec .X-sync automatic-switching sync contacts with German
socket and hot shoe. |
| Counter: Counts up.
Resets automatically when camera back is opened. |
| Shutter: Four-axis,
horizontal-travel focal-plane shutter with cloth curtains. |
| Battery: One 4G-13 6
V mercury oxide battery or 4LR44 alkaline battery |
| Loading: Multi-slot
spool, emulsion-out winding |
| Film Transport:
Slotted take-up
spool. Advances with camera-top lever's 120 stroke (partial strokes
enabled). Ready position at 30. |
| Rewind: Manual crank
rewind after setting automatic resetting rewind button |
| Metering System: TTL,
CdS cell for TTL full-aperture, match-needle centerweighted averaging
metering. |
| Metering Range: EV 3
to +18 ISO 100 |
| Exposure Mode(s):
Manual |
| Self Timer:
Electronic., LED |
Film Speed Range:
ISO 25 to 3200 
| Battery check: Lever
(Black C on top deck), Meter needle indication inside finder |
| Accessories: Power
Winders A, A2, Databack A, A and G series Speedlites, eyesight correction
lenses (Diopters) |
| Misc Spec: Depth
of Filed Preview, Bulb for time exposure |
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