How to adjust Olympus 35 SP's meter and rangefinder?

Discussion in 'Olympus' started by miz999, Jul 7, 2006.

  1. miz999

    miz999 Guest


    I recently got a Olympus 35SP rangefinder camera, however, the ISO setting
    is not working but the meter works fine at ISO100 with an old LR44 battery,
    rangefinder is off when lens is set to infinity. I thought it might needs
    some cleaning. I cleaned and adjusted the meter on a Canonet QL17 GIII
    before, but have difficulty work on 35SP.

    Here are my questions:

    1. I took off both file advance level and rewind knob, but can't take the
    top cover off. How to take the top cover off?

    2. How to adjust the rangefinder?

    3. Any experiences to adjust its meter to give proper reading with 1.55V
    SR44 battery?

    miz999, Jul 7, 2006
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  2. Battery issue first. If you have the meter adjusted to match a
    standard alkaline battery,
    the calibration will drift as the battery discharges. The old PX625
    mercury cells didn't change voltage as they aged. You can use a Wein
    zinc-air battery. These have a good shelf life until activated but
    then need to be used fairly quickly. C.R.I.S.
    makes adapters the same size as the PX625 (model MR-9 for your SP) to
    let you use a small silver oxide battery. I've used both with my
    35RC and they work well. I usually use the MR-9. You can also still
    find PX625 batteries. Just do a web search.

    As for the question about removing the top. Bag everything up and send
    it to Essex Camera Services and claim you
    bought it that way.
    Request a CLA and rangefinder adjustment. Have them replace the light
    seals if necessary.
    bob.kirkpatrick, Jul 10, 2006
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