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    Re: Neutral Density filter advice?

    I would get 1/2 stop ND filters, 0.45 and 0.75 to your list.
    These are available in Lee 100 filter system.
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    Re: Old lenses and optimal performance

    I haven’t tried my 1850’s A.Ross portrait petzval yet, but having used a TTH cooke portrait and Dallmeyer 3A with color transparencies at portrait distances, they are wonderful lenses with good...
  3. Re: Universal Heliar - Soft focus mechanism servicing

    Great!
  4. Re: Universal Heliar - Soft focus mechanism servicing

    You need to remove that screw first.
  5. Re: Universal Heliar - Soft focus mechanism servicing

    Once you unscrew it, turn the outermost barrel unclockwise.
    217070
    Don’t move the aperture blades.
  6. Re: Universal Heliar - Soft focus mechanism servicing

    In regards to the second picture, no, don’t remove the retaining ring that holds the aperture blades.
    The retaining ring is set at the right position just to allow the aperture blades turn back and...
  7. Re: Universal Heliar - Soft focus mechanism servicing

    You need to remove the screw that holds the front barrel and the inner tube barrel.
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    It’s not necessary to remove the aperture retaining ring lock screw to disassemble.
    I...
  8. Re: Universal Heliar - Soft focus mechanism servicing

    I add additional photos for others in future….
    I needed to realign the aperture scale marking line zeroed to f4.5, so the apertures are wide open.
    I removed the retaining screw on the side as shown...
  9. Re: Universal Heliar - Soft focus mechanism servicing

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    I don’t see any writing on the middle element at this point.
    Do I need to take the lens element from the brass casket??
  10. Re: Universal Heliar - Soft focus mechanism servicing

    The middle element has both concave curves.
    What do you mean by “wiring”, writing?
  11. Re: Universal Heliar - Soft focus mechanism servicing

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  12. Re: Universal Heliar - Soft focus mechanism servicing

    nerlogic, thanks for your help!
    Yes, indeed my serial number ends with 98.
    The retaining sheath is engraved with 98.
    It’s amazing how Voigtlander had the passion and effort to keep the universal...
  13. Re: Universal Heliar - Soft focus mechanism servicing

    Hello, Steven and everyone with universal heliars.
    I’ve got an universal heliar and am trying to clean the element surfaces in between the front element and the middle one.
    My sample is pre WWII...
  14. Re: Another story about a salesman, repairman and machinist, Gidou-san of Toyo camera

    Gary, yes I will tell him your appreciation when I pick up the lenses mounted on the lensboards!
    I ask his episodes every time I visit and I enjoy talking with him….
    He teaches me a lot of things....
  15. Another story about a salesman, repairman and machinist, Gidou-san of Toyo camera

    Let me introduce another story about a salesman, repairman and machinist. Gidou-san of Toyo camera service in Tokyo has been helping me out to get my custom made flanges, mounting rings, lens caps,...
  16. Tokyo 8x10 Photo Exhibition 2021 from Jun 10th to Jun 15th in Japan

    If anyone is looking at the forum in Japan, there will be a photography exhibit taken by 8x10 camera and larger.

    https://www.tokyo8x10.org/...
  17. Re: A custom made bag example for arca swiss 8x10

    No, they only use synthetic clothes.
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    Re: Huge Lens Shutter & Adaptors

    Thank you Tin Can!
    I will ask Jon Gilchrist whether the
    air pressure cylinder can offset to the edge next time,
    since the filter holder is a bit off from the center of the hole.
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    Re: Huge Lens Shutter & Adaptors

    Interesting gizmo!
    I looked up what it is.

    Here is a pamphlet Jon Wilson posted.
    https://www.largeformatphotography.info/forum/attachment.php?attachmentid=175958&d=1521082075
    in the thread...
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    Re: Huge Lens Shutter & Adaptors

    Drew, I can’t see the link.
    Are you talking about the electrical shutter?

    https://packardshutter.com/
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    Re: Huge Lens Shutter & Adaptors

    more pics of Graf variable.
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    Re: Huge Lens Shutter & Adaptors

    More pics.
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    Re: Huge Lens Shutter & Adaptors

    Tin Can, here is my solution for my arca. It wasn’t the best solution being mounting the shutter behind the lens.
    The arca bellows are simply too small for 5’ hole packard shutter.

    The machine...
  24. Re: Are Andrew Ross engraving calligraphic styles inconsistent?

    It’s very helpful, Steven. Good to learn.
    Thank you!
  25. Re: Are Andrew Ross engraving calligraphic styles inconsistent?

    Ron, Roseman is him.
    https://flic.kr/p/dmgFTq
  26. Re: Are Andrew Ross engraving calligraphic styles inconsistent?

    Thank you Steven for clarification.
    The serial number #2641 production date is corrected to circa 1855, according to Roseman.
    The wiki Ross serial numbering periods seem to be unmatched.
    He told...
  27. Re: Are Andrew Ross engraving calligraphic styles inconsistent?

    I also noticed the waterhouse curtain ring for light trap is big for certainty so the effective aperture is lost from f3.3 to f4ish.
    I may remove the waterhouse curtain ring or cut the ring to widen...
  28. Re: Are Andrew Ross engraving calligraphic styles inconsistent?

    Thanks Steven for your insight! I was expecting a reply from you about this topic.
    Your mention about the Voigtlander must be this!

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    What you mean by velvet seal must be this!...
  29. Re: Are Andrew Ross engraving calligraphic styles inconsistent?

    some more pics.
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  30. Are Andrew Ross engraving calligraphic styles inconsistent?

    I recently bought Andrew Ross Portrait No.4 380mm f3.3.
    I enjoy learning and looking up the histories of this lens.

    The serial numer 2641 indicates circa 1855, thanks to Roseman.
    The front and...
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    Re: Arca Swiss Bellow Frames

    I’ve recently ordered replacement bellows of the original arca 8x10 bellows and am waiting for the arrival.
    I’m not sure for the quality but 1/5 cost of the original so let’s see if it’s good....
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    Re: Huge Lens Shutter & Adaptors

    Thank you Tin Can for sharing the details.
    Now I’m going to design with Gidou-san how I attach the big packard shutter....
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    Re: Huge Lens Shutter & Adaptors

    Thanks for explaining the box. Can you adjust the shutter distance from the rear lens element by the screws, so the mechanism allows various lenses?
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    Re: Huge Lens Shutter & Adaptors

    Wow, nice! I want to see the 2” recessed box too!
    Some people make the other way, a protruded box in front of the front frame like the example of Eddie Gunks.

    ...
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    Re: Huge Lens Shutter & Adaptors

    Tin Can, thank you for sharing your solution to a large shutter.
    Is your setup order like lens>lensboard>front frame of camera>shutter box>shutter?
    When you finish your DIY, Id like to see your...
  36. Re: CZJ Biotessar 165 2.8 image samples and shutter question

    I think Corran is talking about some of the prototypes which were certainly not shown in the past catalogues. To learn more about biotessars, check the links below. They are well explained.
    Use...
  37. Re: CZJ Biotessar 165 2.8 image samples and shutter question

    More pics of the biotessar on the Sinar copal shutter.
    No physical vignettes. I think Sinar copal shutter solution is much cheaper than remounting the biotessar on the compound IV shutter.

    213277...
  38. Re: CZJ Biotessar 165 2.8 image samples and shutter question

    From what I know, the biotessar was not made in shutter mounts.
    There are some compound IV mounted biotessars but these were retrofitted later after productions.
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    I don’t have the...
  39. Re: Schneider Symmar XL 150mm f5.6 VS Nikor SW 150 f8

    Like the answers above mentioned already,
    Ben Horn answers your question in the page below.
    https://www.benhorne.com/cameras-and-lenses
    I have SSXL 150, but not nikkor sw 150.
    Just for a...
  40. Re: A custom made bag example for arca swiss 8x10

    I paid 33,000 Yen including consumer tax 10%.
    Sakuma-san told me the same price applies to make the copies.

    Sakuma-san is an old man and runs his small business.
    He needs to learn paypal and...
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