Olympus OM-1 MD |
System |
Olympus OM-System |
Camera Type |
35mm Single Lens Reflex with focal plane shutter |
Film Size and Capacity |
35mm perforated film in 12, 20, or 36 exposure cartridges
removable hinged back accepts 250 exposure back and Recordata back (optional
accessories). |
Film Format |
24mm x 36mm |
Standard Lens |
50mm F1.8 F Zuiko Auto-S 6 elements in 5 groups
50mm F1.4 G Zuiko Auto-S 7 elements in 6 groups
55mm F1.2 G Zuiko Auto-S 7 elements in 6 groups |
Lens Mount |
Olympus OM Mount, bayonet type |
Minimum Focusing Distance |
45cm (17 ¾ inches) with standard lens |
Lens Accessory Size |
49mm threaded for F1.8 and F1.4 lenses; 55mm threaded for F1.2 lens |
Shutter |
Focal plane shutter, dial mounted control, with speeds 1 to 1/1000 second
plus B |
Self-Timer |
4-12 second delay lever type; can be stopped after actuation |
Exposure Measurement |
Two highly-sensitive CdS cells located on either side of the eyepiece
provide through-the-lens open aperture light measurement. Match needle
setting visible in viewfinder. On/Off switch located atop camera |
Exposure Range |
EV 2-17 (ASA 100 with F1.4 standard lens) |
Battery |
1.3 volt mercury battery (Eveready E625, Mallory RM625-R, GE No. 625 or
equivalent) |
Film Speed Range |
ASA 25-1600 |
Viewfinder |
Pentaprism type wide-vision finder shows 97% of actual picture field
Interchangeable focusing screens
Visible exposure meter needle |
Viewfinder Magnification |
0.92X at infinity with standard 50mm lens |
Viewfinder Apparent Field View |
23° 30' & 35° |
Focusing Screens |
1-1 Microprism Matte type provided.
Interchangeable with any of 11 additional screens |
Reflex Mirror |
Oversize
Quick-return type with mirror lock-up control |
Flash Contacts |
X and FP with switch |
Flash Synchronization |
With electronic flash (X) 1 to 1/60 second
With Class "M" bulbs (X) 1 to 1/15 second
With Class "F" bulbs (X) 1 to 1/15 second
With focal plane bulbs (FP) 1/60 to 1/1000 second |
Hot Shoe Socket |
Built-in Easy to attach Olympus hot shoe available |
Film Advance (Manual) |
Ratchet type film advance. May be advanced in one stroke or several
short strokes for a total of 150° rotation. Built-in prevention
against double advance with double exposure override capability |
Film Advance (Motor Drive) |
When attached with motor drive units, single frame and sequential filming of
5 frames per second in optimal conditions possible |
Exposure Counter |
Progressive type from "S" (Start) to 36 and "E" (End). Counter
automatically resets to "S" when rear cover opened |
Film Rewinding |
Rewind crank with automatic resetting rewind release lever |
Rear Cover |
Removable hinge type. Interchangeable with Recordata Back and
250 Film Back |
Dimensions and Weights |
With F1.8 lens - 136mm x 83mm x 81mm (5 3/8" x 3 1/4" x 3 3/16"): 660 gr.
(23.3 oz)
With F1.4 lens - 136mm x 83mm x 86mm (5 3/8" x 3 1/4" x 3 3/8"): 720 gr.
(25.4 oz)
With F1.2 lens - 136mm x 83mm x 97mm (5 3/8" x 3 1/4" x 3 13/16"): 800 gr.
(28.2 oz)
Body Only - 136mm x 83mm x 50mm (5 3/8" x 3 1/4" x 2"): 490 gr. (17.3 oz) |