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  1. #11

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    hi pasto

    when you removed the elements
    was it just a barrel or were there elements inside the brass barrel ?

    rapid rectallinaer lenses have the curved part of the lens cells facing OUT
    ( there is a diagram in the links i posted before ).

    good luck !

    john
    Last edited by jnanian; 01-28-2012 at 05:56 PM. Click to view previous post history.

  2. #12

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    There was no lens inside the barel, just the front and rear. And the groups are identical. Also, after looking at both groups carefully I can see there is some yellowing film on areas on the inside of the group. I suspect this is probably the adhesive for the two elements in each group. Yes John, I figured that the elements were both convex out from the diagrams I saw. I'll expose some 4x5 TMX tomorrow and see.....

    Thanks,
    Luigi

  3. #13

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    hi luigi

    don't forget, its a RR so you can remove the front element
    and get a longer focal length ( you loose about 1.75 stops )

    i love RR lenses, soft and beautiful wide open, sharp as a cactus stopped all the way down.

    have fun !
    john

  4. #14
    John Austin's Avatar
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    Ask Jim Galli, he probably has a couple of dozen of these in his cupboard and he is very helpful on these matters - His URL is http://tonopahpictures.0catch.com/

    John

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