Model: Canon AT-1 Marketed: 1977
Price: For market outside Japan and US * See remarks Dimensions: 141 x 87 x 48 mm Weight: 590g
Canon AT-1 Instruction Manual
by Christian Rolinger, cool ..
Lens Mount: CANON breech-lock bayonet (FD coupling) Viewfinder Type: Fixed Field of View: V-93.5% H-96.3% Viewfinder information: Mag.: 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 Focusing Method(s): Manual DPT: -1.0 Shutter: Four-axis, horizontal-travel focal-plane shutter with cloth curtains. 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. 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 Remarks: 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.
Further, for those who still preferred manual metering, the AT-1 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.
Credit: Mr Tham and Mr Lim of Foto Edar, Kuala Lumpur tel: 603 2416683
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Maintenance Team: Kaipin, Terry Carraway & Dr Strangelove; Pawel Nabe for his image on the Data Memory Back. EEwyn Foo, my nephew, who has spent quite a number of nights converting the original manual in HTML format. Mr. Richard Yeow, General Manager -Optical Division of Canon Marketing for granting special permission to reproduce this manual into HTML format in his site as a form of obligation to all Canon FD mount users worldwide. * Canon, FD, FL Lenses, are registered trade names or trademarks of Canon Inc. Japan.