Body group       Main Features Table

  OM-1(n) OM-2(n) OM-2Sp OM-3 OM-4 OM-3Ti OM-4Ti OM-10 OM-20 OM-30 OM-40 OM-707 OM-101 OM-2000  
Size (mm) 136x83x50 136x83x50 136x84x50 136x84x50 136x84x50 136x84x50 136x84x50 135x84x50 135x84x50 135x84x50 135.5x86x53 146x89x522 151x90x63 138x87x51 Size (mm)
Weight (g) 510 520 540 540 540 510 510 4301 430 430 460 5953 569 430 Weight (g)
Manual
Shutter Speed Range
1~1/1000 1~1/1000 1~1/1000 1~1/2000 1~1/2000 1~1/2000 1~1/2000 1~1/10004 1~1/1000 1~1/1000 1~1/1000 N/A 2~1/20005 1~1/2000 Manual
Shutter Speed Range
Auto
Shutter Speed Range
N/A 120~1/10006 60~1/1000 N/A 120~1/20007 N/A 120~1/20007 2~1/1000 2~1/1000 2~1/1000 2~1/1000 2~1/2000 2~1/2000 N/A Auto
Shutter Speed Range
ASA Range 25~1600 12~1600 12~3200 6~3200 6~3200 6~3200 6~3200 25~1600 25~1600 25~1600 25~3200 25~3200 25~3200 25~3200 ASA Range
Power Source 1.35V Mercury (1x) 1.5V Silver Oxide (2x) 1.5V Silver Oxide (2x) 1.5V Silver Oxide (2x) 1.5V Silver Oxide (2x) 1.5V Silver Oxide (2x) 1.5V Silver Oxide (2x) 1.5V Silver Oxide (2x) 1.5V Silver Oxide (2x) 1.5V Silver Oxide (5x) 1.5V Silver Oxide (2x) 1.5V AAA Alkaline Manganese (4x) 1.5V AAA Alkaline Manganese (4x) 1.5V Silver Oxide (2x) Power Source
Finder View Field 97% 97% 97% 97% 97% 97% 97% 93% 93% 93% 93% 93% 93% 93% Finder View Field
View-
finder Magnifi-
cation
0.92x 0.92x 0.86x 0.84x 0.84x 0.84x 0.84x 0.92x 0.92x 0.92x 0.92x 0.8x 0.8x 0.84x View-
finder Magnifi-
cation
Focusing Screen Exchang.
(1-series)
Exchang.
(1-series)
Exchang.
(1-& 2- series)
Exchang.
(1-& 2- series)
Exchang.
(1-& 2- series)
Exchang.
(1-& 2- series)
Exchang.
(1-& 2- series)
Fixed
(1-13)
Fixed
(Lumi-
Micron "13" type)
Fixed
(Lumi-
Micron "13" type)
Fixed
(Lumi-
Micron "13" type)
Fixed
(Super Lumi-
Micron  with AF frame)
Fixed
(Super Lumi-
Micron "13" type)
Fixed
(Super Lumi-
Micron "13" type)
Focusing Screen
Motor Drive Speed 5 fps 5 fps 3.5 fps 5 fps 5 fps 5 fps 5 fps N/A 5 fps 5 fps 3.5 fps N/A N/A N/A Motor Drive Speed
Winder Speed 2.5 fps 2.5 fps 2.5 fps 2.5 fps 2.5 fps 2.5 fps 2.5 fps 2.5 fps 2.5 fps 2.5 fps 2.5 fps 1.5 fps 2 fps N/A Winder Speed
X-sync Speed 1/60 1/60 1/60 1/60 1/60 1/60 1/60 1/60 1/60 1/60 1/60 1/100 1/80 1/125 X-sync Speed
OTF
Support
No Available
light, flash
Available
light, flash
No Available
light, flash
Flash Available
light, flash
Available
light
Available
light
Available
light
Available
light, flash
Available
light, flash
Available
light, flash
No  OTF
Support
Special
Features
M,t8,B,
MLm
T,B S,P,T,B,
MLs
M,S,H,t,R,
B
S,H,m,T,R,B,
MLs
M,S,H,T,F,
R,B
S,H,m,T,F,
R,B,MLs
t t f,t E,P,T,MLs P,A,p,F,T,B P,p,T,B M,S,D,
MLs
Special
Features
  OM-1(n) OM-2(n) OM-2Sp OM-3 OM-4 OM-3Ti OM-4Ti OM-10 OM-20 OM-30 OM-40 OM-707 OM-101 OM-2000  

1   Early versions (1978-1982) of the OM-10 were 450g, later versions weighed 430g. The OM-10 QD weighs 530g.
2    With Power Grip 100, w/o protruding section
3    With Power Grip 100
4    With Manual Adapter
5    With Manual Adapter 2
6   OM-2: 60~1/1000 sec, OM-2n: 120~1/1000 sec.
7   240~1/2000 sec. with spot metering
8   OM-1n only



Special Features:

Manual body, does not require batteries to operate
MLm Mirror Lock-up (mechanical)
MLs Mirror Lock-up (linked to self-timer)
S Spot metering
H Highlight/Shadow control with spot metering
m Exposure memory (60 minutes)
E ESP metering
P Program mode
A Auto Focus with dedicated lenses
f Focus indicator with non-dedicated lenses; body dedicated with 35-70mm/F4 AF lens
p Power Focus with dedicated lenses
T TTL "OTF" Flash support (see also Camera Body / Flash Mode Compatibility Table)
t Semi-dedicated System Flash support (Flash Ready/Flash OK LED, automatic X-sync with electronic shutter bodies)
F Super FP Flash support with F280
R Rewind support with Motor Drive 2
B Exchangeable Camera Back
D Double exposure button