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  1. #1

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    Skopar 135mm filter size - Avus 9x12

    Hi All,

    Is there any info on the filter size of the 4,5/135mm Skopar lens of Voigtlander Avus (9x12) camera? I made some research on the net and according to the original manuals, it has 36.8 mm filter size - I am not sure whether I would need screw-in or push-on filter.

    Basically, I would like to use (36?)37--->49 mm (screw-in) adapter - is it possible?

    Please help - any info would be highly appreciated.

    Many Thanks,

    Zoltan

  2. #2
    JPD
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    37mm push-on. They are easy to find on eBay.

    The thread is only for the retaining ring for the front element.

  3. #3

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    Hi - thanks.

    Would it be a good idea to try a 36--->37 + 37--->49mm adapter combo? Or does the Skopar have completely different thread pitch?

    What do you think?

  4. #4
    JPD
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    The thread is 35,5 mm, but I've tried a 35,5mm screw-in filter and it didn't catch the threads - so the pitch must be different. Voigtländer had no thought about screw-in filters back then, so they could have used a non standard thread pitch for the front element retaining ring.

  5. #5

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    I made a contraption for mine (out of cardboard) to push on the outside of the lens and a slot to put the Cokin "A" filters. Not pretty but it works. I found a 'push-on' yellow filter on eBay but it was too faded.
    It's a fun camera to use - I wish I had more holders for it.

  6. #6

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    Yes, unfortunatelly, the pitch will be a problem...

    I have to make something home-made.

    Thanks for the inputs.

  7. #7
    JPD
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    I bought new 37mm yellow-green and red-orange Heliopan filters, before they stopped making them in slip-on mounts. The rest I found on eBay. Mostly Zeiss, Ceneiplan and Panchromar. So now I got:

    Very light yellow (Sportfilter)
    Light yellow
    Medium yellow
    Dark yellow
    Yellow-orange
    Red-orange
    Light red
    Yellow-green
    Light blue

    Some are in the Panchromar "Wechselfassung", so I can easily swap the glass if I want. Filter glass can be bought new from B+W to fit.

    This is a cool site: http://photobutmore.de/vintagephoto/filter/ It's in german, but has LOTS of pictures.

  8. #8

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    My Heliar 135/4.5 takes 35,5mm screw-in filter, Heliar 105/4.5 takes 27mm filter.



 

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