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Main Specifications of the OM77AF
Type: Autofocus, auto-exposure 35mm SLR
camera.
Film format: 24 x 36 mm.
Lens mount: Olympus OM mount (designed for
AF lenses).
Lens: (1) Olympus AF lenses. (2) OM lenses.
Shutter: Electronically controlled vertical-travel
focal-plane shutter. Shutter speed: 2 — 1/2000
sec.
Synchronization: Hot shoe: Super FP Flash con-
tact; X contact; T-Series Flash contact.
Autofocus: Method: TTL phase detection system
with CCD Zero-In sensor.
Focusing sensitivity range: EV 4 — 18 (ISO 100).
Actuation method: Single or continuous. Focus
lock possible.
Indication: Single-point 2 color LED in view-
finder; focused: green lamp; autofocus impos-
sible: red lamp.
AF illuminator: Automatic actuation in low light.
Manual focus: Olympus AF lenses: By shift knob,
OM lens: By focus ring.
Light metering method: Exposure control: TTL
Direct "OTF" Metering (center-weighted,
average light measurement).
Exposure modes: Multi-program: (1) Program.
(2) Program shift by shift/power focus knob.
(3) Automatic program shift based on focal
length of lens. (4) Aperture preferred AE when
using OM lens.
Program auto-exposure: Type: Electronic shutter
with automatic control of shutter speed and
aperture.
Light measuring range: EV 1 — 20 (ISO 100
AF 50mm F1.8).
AE lock: By AE-lock button.
Flash control: Full-Synchro Flash F280: Auto-
matic selection of Normal "OTF" Flash or
Super FP Flash.
Power Flash Grip 300: Flashmatic.
T-Series Flash: TTL Direct "OTF" flash.
Regular flash units: Normal Auto flash with
F4 mode.
Automatic film speed setting: Automatic setting
for film with DX code; Range: ISO 25 — 3200.
Viewfinder: Focusing screen: Fixed, Super Lumi-
Micron Matte with autofocus frame.
Finder view-field: 93 % of actual picture field.
Magnification: 0.8X
at infinity with 50 mm
standard lens.