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Thread: Osaka Commercial 360mm f/6.8 info

  1. #31

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    Re: Osaka Commercial 360mm f/6.8 info

    Quote Originally Posted by B.S.Kumar View Post
    Andrew, what I meant was that if you can tell us the measurements of the lens cells, someone here would probably know in which shutter they would fit.

    Kumar
    I don't have a vernier, but the 3s is 56mm, the 3 58mm both of these measurements match the s.k. grimes specs, the front lens cell measures 67mm ??

  2. #32

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    Re: Osaka Commercial 360mm f/6.8 info

    Since you say that the cells won't fit into either of these shutters, we'll need the measurements of the threaded part of the lens cells. Then someone could figure out which shutter(s) they'll fit.

    Kumar

  3. #33
    Dave Karp
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    Re: Osaka Commercial 360mm f/6.8 info

    I have seen 360mm Congo lenses in a barrel mount for sale on Ebay. Is it possible that Congo made lenses in a barrel with different thread sizes than would fit in a standard shutter size?

  4. #34

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    Re: Osaka Commercial 360mm f/6.8 info

    I have a couple of Congo 210mm lenses in barrel. The cells have 54.5mm threads, which will not fit into any shutter I have (and I have a few!)

    Kumar

  5. #35
    Maris Rusis's Avatar
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    Re: Osaka Commercial 360mm f/6.8 info

    Quote Originally Posted by David Karp View Post
    I have seen 360mm Congo lenses in a barrel mount for sale on Ebay. Is it possible that Congo made lenses in a barrel with different thread sizes than would fit in a standard shutter size?
    My Congo catalogue (trustworthy?) lists a 360mm f6.3 (not f6.8) Studio Lens in Normal Barrel with a mounting thread size of 70mm. I've never actually seen this lens or the next longest, a 420mm f6.3, which was discontinued back in the 1970s, I think.
    Photography:first utterance. Sir John Herschel, 14 March 1839 at the Royal Society. "...Photography or the application of the Chemical rays of light to the purpose of pictorial representation,..".

  6. #36

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    Re: Osaka Commercial 360mm f/6.8 info

    Quote Originally Posted by B.S.Kumar View Post
    Since you say that the cells won't fit into either of these shutters, we'll need the measurements of the threaded part of the lens cells. Then someone could figure out which shutter(s) they'll fit.

    Kumar
    67mm is the threaded end which screws into the barrel

  7. #37

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    Re: Osaka Commercial 360mm f/6.8 info

    I'm afraid I can't recall any shutter that has a 67mm thread. Perhaps someone else knows more?

    Kumar

  8. #38

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    Re: Osaka Commercial 360mm f/6.8 info

    Quote Originally Posted by andrewch59 View Post
    67mm is the threaded end which screws into the barrel
    So what are the cell's mounting threads diameters?

  9. #39

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    Re: Osaka Commercial 360mm f/6.8 info

    Not what you want to hear, but fair advice none the less. Either fit a Packard behind it and learn how to work with 1/20th second or longer exposures, or take good images of it and put it on Ebay. It's not a terribly valuable lens, and there are plenty of 360 Osaka lenses in fine working shutters for not much money. Sell yours and buy one of those. You'll be money and grief to the good.
    He is no fool who gives what he cannot keep..to gain that which he cannot lose. Jim Elliot, 1949

  10. #40

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    Re: Osaka Commercial 360mm f/6.8 info

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    I did my research prior to purchasing this lens, by all reports it should have fitted into a copal 3, of course with the lack of documentation on line there is no way of being certain. Is still good on my studio and 10x12 field using the speed graphic curtain shutter

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