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10-15-2010, 05:50 PM   #1
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Asahiflex Ia

The Asahiflex Ia had no 'Ia' designation on the body but was just labeled Asahiflex like the first model. The changes from the first model were only two: The lowest shutter speed was increased to 1/25s, and an X-sync contact was added on the front.

Like the previous model, this model too had the secondary (eye-level) viewfinder for following moving objects since the primary viewfinder would black out after exposure due to the mirror not returning until the film was wound.


Asahiflex Ia
Year introduced
1953
Year discontinued
1954
Mount
M37
Automatic aperture stop down
No
Metering
No meter
Exposure modes
Manual
Shutter speeds (manual)
B, 1/25, 1/50, 1/100, 1/200, 1/500s
Shutter speeds (mechanical)
B, 1/25, 1/50, 1/100, 1/200, 1/500s
Shutter dials
One, on the top plate
Self timer
No
Mirror lock-up
No
Multiple exposures
Unknown
Film advance
Knob
Flash hot shoe
No
Flash contact
Two: One FP and one X contact on the front
Built-in flash
No
TTL/P-TTL flash
No
Flash sync speed
1/50s
Flash exposure comp
Not applicable
Viewfinder type
1) Folding waist level, 2) Galilean eye-level
Instant return mirror
No
Diopter correction
No
Exchangeable screen
No
Depth of field preview
No
Image size
24 x 26mm
Battery
No


Comment
The secondary (eye-level) viewfinder matched a 50mm lens


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Last edited by Ole; 10-16-2010 at 09:35 AM.
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