Specifications. OM- 4.
Type : TTL auto-exposure 35mm SLR camera.
Format : 24x36mm
Lens mount : Olympus OM mount.
Shutter : Electronically controlled cloth focal plane shutter (horizontal action).
Synchronisation : X-contact (synchronization at speeds of 1/60 or slower ) Hot shoe with contact for T series flash ; 5-pin connector for T-series Flash , PC synchro socket .
Light metering method : Centre-weighted average light metering, switch able to spot measurement ;spot measurement selective in three modes ;Multi-spot, highlight-based, and shadow-based methods.
Light metering range : 0 EV ~19 EV (ISO 100, 50mm F1.2 lens )
Automatic exposure control by average light measurement : TTL-direct “Off-the-film” light measuring with aperture preferred electronic shutter ; exposure control range ;1 min.~ 1/2000 sec ; light measuring range : approx .-5 EV ~ 19 EV ( ISO 100, 50mm F1.4 normal temperature and humidity ) ; ± 2 EV (1/3 EV steps ) exposure compensation.
Automatic exposure control by spot measurement : TTL spot-metering memory system (AE lock ) ; exposure control range : 4min – 1/2000sec ; light measuring range ; approx 0 EV ~ 19 EV ( ISO 100, 50mm F1.4 normal temperature and humidity ) ± 2 EV (1/3 EV steps ) exposure compensation.
Automatic exposure memory control : Exposure value memory system ( 60-min limiter )
Manual exposure control : B, 1 sec. ~ 1/2000 sec. ; mechanical exposure speed 1/60 sec.
Auto Flash operation : Direct contacts for “OTF” Auto Flash ( Full automatic flash with T-series Flash ) Automatic shutter speed settings for flash exposures.
Film speed : ISO 6 ~ 3200.
Film advance : Film advance lever with 130 º angle for one long or several short strokes and pre-advance angle 30 º: motor drive and winder usable.
Film rewind : Rewind crank ( motorized rewind with motor drive 2 possible )
Viewfinder : With dioptre correction; dioptre correction range: +1.0— -3.0 dioptres ; interchangeable focusing screens. micro prism /split image -matte type. screen standardized. finder view field 97% of actual picture field. Magnification 0.84x infinity with -0.5 diop. and 50mm lens.
Viewfinder information : LCD multi-mode display (0-sec.limiter ) built-in illuminator (10 sec .limiter)
Self-timer : 12-sec delay electronic self-timer.
Grip : Removable , changeable Camera Grip 1 (optional )
Battery check : 3-leveldisplay with LED and alarm sound.
Power source: two silver oxide batteries SR 44, two alkaline manganese batteries LR 44 or one lithium battery CR-1/3n.
Camera back : Removable hinge type, with memo holder ; interchangeable with record data back 4 and 250 film back.
Dimensions : 136 x 84 x 50mm. (body alone)
Weight : 510 grams. (body alone)
Perfect backlight exposures.
Precise spotmetering of the subject area you pick.Superb results asured even in the trickiest backlighting.
Multi spot metering,
up to eight spot readings can be recorded and automaticly averaged, simply by pressing the spot button.
One touch operating .
Super fast and easy, just press the spot meter button instead of tiresom and expensive bracketing or plain old guesswork.
SuperbAll-LCD finder.
A host of information , at a glance . This electronic viewfinder’s excitingly different . See for yourself how much it tells you,and how easy.
Highlight/shadow Control.
Allows white highlights to be reproduced as pure white and preserves the rich colors of dark areas similarly.
Continuous dioptric correction.
5-Frames per second motor drive with rewind.
Tough Aluminium diecastbody.
Mechanical shutter speeds.