The Olympus OM-3 is a rare camera and is fully mechanical with the advanced light measurement of the OM-4. It was not sold in large numbers. The quality of this body is very good. Some very minor marks on the back. The camera comes with user’s manual.
Type : 35mm single lens reflex with mechanical controlled shutter.
Format : 24x36mm
Lens mount : Olympus OM mount.
Shutter : Mechanically controlled cloth focal plane shutter: 1/2000 sec max shutter speed.(horizontal action) . Available shutter speeds can be used without batteries.
Light metering method : Centre-weighted average light metering, switch able to spot metering, Spot metering selectable in 3 modes–Multi-spot, highlight-based, and shadow-based methods.
Light metering range : 0 EV ~19 EV (ISO 100, 50mm F1.2 lens )
Shutter speed range : B-1 ~1/2000 sec (mechanically controlled)
Synchronization: X contact (synchronization at speeds of 1/60sec or slower ) Hot shoe with contact for T series flash. 5pin connector for T series flash . PC synch socket.
Connection to flash : Hot shoe, (X contact ,equipped with super FP contact terminal) : 5 pin connector for T-series flash : Synch socket.
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 30º: motor drive and winder usable.
Viewfinder : With dioptre correction; dioptre correction range:+1.0— -3.0 dioptre ; interchangeable focusing screens.microprism /split image -matte type. screen standardized. finder view field 97% of actual picture field. Magnification 0.84x infinity with -0.5 dioptre . and 50mm lens.
Viewfinder information : LCD multi-mode display (0-sec.limiter ) built-in illuminator (10 sec .limiter)
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.
Dimensions : 136 x 84 x 50mm. (body alone)
Weight : 540 grams. (body alone)