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  1. Replies
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    Re: Cameras with geared swing movement

    Yes, it has the zero detent for swings.
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    Re: Cameras with geared swing movement

    I’ve never felt the need of geared swing movements by using both F-line classic and metric.
    Both versions have the swing axis on the center of the frame so it’s very easy to swing and lock without...
  3. Re: Are Andrew Ross engraving calligraphic styles inconsistent?

    Hello, Ron! What a coincidence!
    You guys are in Europe so tell us when you visit his atelier someday about his camera work and impressive lens collection!!!
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    Re: Packard shutter hole sizing

    The larger the hole, the instantaneous mode speed or the fastest speed is slower, due to the size of hole and weight of the shutter blades.
    My 5” hole packard shutter has 1/8 sec speed at...
  5. Re: Hermagis Serial numbers Need your help with a database

    (Extra rapide) Objectif Portrait Serie II No.1 390mm f3.5 No. 272583
    No writing on the sides of all elements except X by pencil on the front doublet.
    Black enamel finish on brass with no SOM...
  6. Re: Anyone own Dallmeyer 3A waterhouse stops? Aperture size help needed

    Thanks Ron for pointing that. My WHSís are also anodized.
  7. Re: Anyone own Dallmeyer 3A waterhouse stops? Aperture size help needed

    The thicknesses of the WHS are 0.85mm, including the thickness of the black paint on the brass that you should consider when you make ones from brass.
  8. Re: Anyone own Dallmeyer 3A waterhouse stops? Aperture size help needed

    The belows are the measurements of 3A’s WHS.

    F4 88.89mm
    F5.6 64.63mm
    F8 46.00mm
    F11 32.11mm
    F16 22.72mm
    F22 15.91mm

    I measured the WHS holes by vernier calipers.
  9. Re: Using a Rodenstock Centre Filter on a Schneider Lens?

    Just for your reference, I used Schneider IIIC 4X center filter for both 47XL and apo grandagon 55mm with color transparencies without any problems.
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    Re: Ebay - lenses from Japan

    Iíve never heard of German large format lenses actually made in Japan, unlike 35mm lenses.
    My main sources of large format lenses are yahoo Japan auction, FB, this forum and local professional large...
  11. Re: Need Help Identifying a Large Darlot Lens

    This lens is a Jamin cone centralisateur lens. Your lens seems awesome and is rare in such a big size!
    Search by Jamin cone centralisateur in this lens forum.
    l’m looking for one in a long focal...
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    Re: Cooke Portrait Lens Serial Numbers

    hmm, it sounds No. 106447 is the serial number. The patent was published in Dec.22, 1920.
    Since it’s the end of 1920, my guess is narrowed in that the lens was made in between 1921 and 1923.

    I’m...
  13. Replies
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    Re: Cooke Portrait Lens Serial Numbers

    I’d say your lens was made in between 1920 and 1923 based on the patent number publication date and the non-knuckler before 1923 based on the cooke compendium.

    There should be the serial number...
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    Re: Cooke Portrait Lens Serial Numbers

    I’m skeptical if the serial number is the one on the barrel. it sounds too low number….
    Maybe another number somewhere else on the barrel??
    Patent no. Is simply itself.
    Taylor hobson cooke took...
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    Re: Plasticca 450mm F3.5 dimensions

    Thank you Steven for your measurements. I am relieved to hear it….
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    Re: Plasticca 450mm F3.5 dimensions

    Thanks Jim and Oslolens for your inputs.
    I will try focusing and compare with another lens after I make the custom flange for this lens.
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    Plasticca 450mm F3.5 dimensions

    Iíve recently acquired the Plasticca 450mm F3.5 version.
    i was surprised the lens size isnít large enough considering itís focal length and f-number.
    Do any of you guys have either 450mm F3.5 or F4...
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    Re: Arca Swiss F line Metric 4x5"

    If you want a system with arca, considering the future upgrade to 8x10,
    I recommend you the 141mm standard F line classic 4x5 first, especially if you plan to use longer focal length lenses like...
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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...
  21. Re: Universal Heliar - Soft focus mechanism servicing

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

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

    Once you unscrew it, turn the outermost barrel unclockwise.
    217070
    Don’t move the aperture blades.
  24. 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...
  25. Re: Universal Heliar - Soft focus mechanism servicing

    You need to remove the screw that holds the front barrel and the inner tube barrel.
    217044
    217045
    217046

    It’s not necessary to remove the aperture retaining ring lock screw to disassemble.
    I...
  26. 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...
  27. Re: Universal Heliar - Soft focus mechanism servicing

    216639
    216640
    216641
    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??
  28. Re: Universal Heliar - Soft focus mechanism servicing

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

    216636
    216637
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  30. 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...
  31. 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...
  32. 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....
  33. 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,...
  34. 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/...
  35. Re: A custom made bag example for arca swiss 8x10

    No, they only use synthetic clothes.
  36. Replies
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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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