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Petri MF-1

Posted by Bengt Köhler Sandberg 2013-10-07

Petri MF-1

Introduced in: 1977

Technical info

Lens mount: M42
Shutter: 1/1000s to 1s
All mechanical
Light meter: Through the lens, center weighted (ISO 25 - 1600)
Battery: one PX675 mercury battery. (Only for the light meter)
Flash: Flash hot shoe (sync 1/60 sec)
Weight: 465g

Depth of field button (stopdown meter)

Takes standard 135 film
24×36 mm negative size.

Operating + Sounds
Petri MF-1


Fairly good size and brightness is a little dim but this works great.

Focus screen:


Match needle for the light meter.

Shutter type:

Focal plane
Horizontal traveling cloth curtain.

All mechanical.

Build quality:

Very nice and solid

Look and feel:
Nice looking camera and also quite the nice feel.


Nice quality camera which is somewhat smaller and lighter than most similar SLRs from the 70s.

Light meter is powered by a mercury battery.
It lacks any mirror lock which can be good for longer exposures and the mirror don't get up first when you use the self-timer.

But the mirror and shutter don't cause that much vibrations so this is not a bigger problem.

Thumbs up:
Build quality and feel

All mechanical and battary is is only for the light meter.

Thumbs down:

Mercury battery for the light meter

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