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Thread: Keystone Flashmeter Shutter Questions

  1. #1

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    Question Keystone Flashmeter Shutter Questions

    Hey guys!

    I didn't realize it at the time, but this shutter doesn't appear to have either a place to attach a shutter release cable or a T or B setting for through the lens viewing. It clearly looks like this lens was used in camera photography, but how?

    https://i.ebayimg.com/images/g/x4IAA...7C/s-l1600.jpg
    https://i.ebayimg.com/images/g/LrUAA...7C/s-l1600.jpg
    https://i.ebayimg.com/images/g/J9kAA...7C/s-l1600.jpg

  2. #2

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    Re: Keystone Flashmeter Shutter Questions


  3. #3
    Jac@stafford.net's Avatar
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    Re: Keystone Flashmeter Shutter Questions

    The term 'flash' should be taken as in 'flash card', a training technique.
    There were projection types used in WWII for training to recognize aircraft silhouettes.

  4. #4
    Matt Alexander
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    Re: Keystone Flashmeter Shutter Questions

    I picked up one of these shutters at a sale a few months ago. Mine had a side lever to open it for through the lens viewing -like a typical shutter, but no - no cable release option, nor a functional T or B.
    But for the $10 I paid for it I thought might make it onto some project someday.

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    Re: Keystone Flashmeter Shutter Questions

    Interesting...I wonder why someone would put a high-end lens in that type of shutter. Any idea of a proper shutter that could serve those elements?

  6. #6
    Jac@stafford.net's Avatar
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    Re: Keystone Flashmeter Shutter Questions

    Quote Originally Posted by vssoutlet View Post
    Interesting...I wonder why someone would put a high-end lens in that type of shutter. Any idea of a proper shutter that could serve those elements?
    Perhaps someone found a lens that fit the shutter, likely by accident, without regard to purpose. It happens.

  7. #7

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    Re: Keystone Flashmeter Shutter Questions

    It is an Ilex Universal #3. Any Ilex 3 should replace it.

  8. #8

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    Re: Keystone Flashmeter Shutter Questions

    Quote Originally Posted by Dan Fromm View Post
    It is an Ilex Universal #3. Any Ilex 3 should replace it.
    From doing some more reading, I discovered that this lens was offered in the Optimo Shutter for $70.50, an Acme Shutter for $73.50, or a Compound Shutter for $74.50. So I assume that any of these will do. Can you give me any insight as to the size or the model number of these alternative shutters?

  9. #9

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    Re: Keystone Flashmeter Shutter Questions

    The cells were machined to fit the shutter. Shutters are rarely customized for lens' cells. If you want to replace it, get another Ilex #3, non-EKCo.

    Acme is Ilex' trade name for cock-and-shoot shutters. Same threading etc. as the equivalent Universal self-cocking shutter.

  10. #10

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    Re: Keystone Flashmeter Shutter Questions

    Quote Originally Posted by Dan Fromm View Post
    It is an Ilex Universal #3. Any Ilex 3 should replace it.
    Hi Dan,

    I just got an Ilex 3 shutter. The lens has a MUCH greater diameter than would fit an Ilex 3.

    Just for reference, the Flashmeter shutter is over 101mm in diameter. The #3 is just a shade over 85mm.

    Any other suggestions?

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