Specifications, Type and major components, Autofocus – Canon EOS-1 User Manual
Page 42: Exposure control, Film transport
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Specifications___________________________ _________
Type and Major Components
Type: 35mm focal plane shutter SLR (Single-Lens Reflex) camera with
autofocus, auto exposure and built-in motor drive.
Lens Mount: Canon EF Mount (electronic signal transfer system).
Usable Lenses: Canon EF lenses.
Viewfinder: Fixed eye-level pentaprism.
Gives approx. 100% vertical and horizontal coverage of actual
picture area and 0.72X magnification with 50mm lens at infinity.
Focusing Screen: Laser-matte screen with AF frame. Six optional
interchangeable screens are available.
Dioptric Adjustment: Adjustable (-3 dpt----- i-l dpt) by turning knob
Eyepoint: 20mm
Shutter: Vertical-travel metal type focal plane shutter; all speeds
electronically controlled.
Shutter Speed: 1/8000-30 sec. and bulb. X-sync is 1/250 sec.
Can be set in 1/3-step increments.
Mirror: Quick return type half-mirror
Autofocus
AF Control System: TTL-CT-SIR (Cross Type-Secondary Image
Resistration) phase-detection type. Two modes available: One-shot
and Servo AF with Focus Prediction. Manual focusing possible.
AF Working Range: EV-1 — 18 at ISO 100.
AF AuxOiary Light: Specified Canon Speedlites automatically project
light through an ultra-bright LED (peak sensitivity: 700nm) when
required.
Exposure Control
Light Metering: TTL full aperture metering using SPC (Silicon
Photocell).
Four metering patterns available:
1. 6-zone evaluative metering
2. Center-weighted average metering
3. Partial metering (approx. 5.8% of the picture area)
4. Spot metering (approx. 2.3% of the picture area)
Metering Range: Spot metering: EV 2 —20 at ISO 100
Other meterings: EV 0—20 with f/1.4 lens at ISO 100 or
equivalent
Exposure Modes:
1. Shutter-Priority AE
2. Aperture-Priority AE
3. Depth-of-Field AE
4. Program AE with Variable Shift Function
5. Manual
6. Flash AE (A-TTL and TTL program flash AE with specified
Canon Speedlites)
Exposure Compensation: -l- / — 3 steps in 1 /3-step increments.
Auto Exposure Bracketing: -l- / - 3 steps in 1/3-step increments.
Depth-of-Field Preview: With Depth-of-Field check button
Film Transport
Film Speed Setting: ISO 25-5000; automatically set in 1/3-step
increments according to DX code.
ISO 6-6400 can also be set manually.
Film Loading: Automatic
Film Wind: Automatic. Two modes available: S (Single Frame) and
C (Continuous at up to 2.5 frames per second).
Film Rewind: Automatic (approx. 8 sec. with 24-exp. film).
Mid-roll rewind possible.