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  1. Re: Linhof Branded Prontor-S shutter mystery...

    You probably want to edit ..."Linhof labeled copal shutter"... to, from the context, ..."Linhof labeled Prontor shutter"...

    Very interesting thread by the way. I wonder when Linhof stopped...
  2. Re: Lens caps sizes for Kodak Commercial Ektar 8.5 inch

    Just measured my 1964 8 1/2 inch Commercial Ektar using metric calipers. The front diameter is a bit over 44 mm and the rear a bit over 43 mm. I ended up having SK Grimes make lens caps. They are...
  3. Re: The construction of Schneider Super-Symmar XL 210mm

    Thank you very much Bernice. I should have that issue of View Camera in my collection. Now Just need to find it...

    David
  4. Re: The construction of Schneider Super-Symmar XL 210mm

    I'm curious about the inventor, Bernice. Do you know any more about her? What was her education, as in what did one need in Germany to do that sort of work for a place like Schneider? Googling her...
  5. Re: The construction of Schneider Super-Symmar XL 210mm

    Bernice, you mis-spoke and linked the patent for the earlier Super Symmar HM (by, of course, the same inventor). Here is the U.S. patent for the Super Symmar XL:...
  6. Re: Recommendation Needed: Copal 1 repair

    Michael Zacks of Zacks Camera Repair: https://zackscamerarepair.com has done a Supermatic and a No. 1 Synchro-Compur for me. He responds quickly to emails. If he's backed up he will suggest you wait...
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    Re: New lens to me :)

    Thank you very much for this Paul. I continue to hope to get Thiele's three books on Schneider production. It does look like the two on Carl Zeiss Jena and the one on Carl Zeiss Oberkochen were...
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    Re: New lens to me :)

    Paul, can you tell from Hartmut Thiele's books when the first "modern" Symmar was made, that is the one with a maximum aperture of f/5.6 of Plasmat construction?
    And as far as that goes, when was...
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    Re: New lens to me :)

    In particular this link will narrow down year of manufacture by serial number: http://web.archive.org/web/20121115075344/http://www.schneiderkreuznach.com/service/serie.htm

    (We have Dan Fromm to...
  10. Re: Eastman Ektar 14 inch: serial number and coating

    Thank you very much for this historically important information!

    David
  11. Re: Eastman Ektar 14 inch: serial number and coating

    Thank you for that clarification.

    David
  12. Re: Eastman Ektar 14 inch: serial number and coating

    The "L" in the circle stands for "Lumenized" which was Kodak's name for applying a hard anti-reflective coating to their lenses. Similarly Wollensak lenses had a "W" in a circle for "Wocote", their...
  13. Re: Eastman Ektar 14 inch: serial number and coating

    Very interesting example. It's labeled "Eastman Anastigmat" and looks like a precursor to the Eastman Ektar, 14 inch f/6.3 lens. I had not previously known of such a lens but my Eastman Kodak...
  14. Re: Eastman Ektar 14 inch: serial number and coating

    My Kodak Reference Handbook copyright 1945 indicates that many (but not all) of their Ektar lenses were coated on the internal surfaces. In particular the Ektars for the Ektra camera and the Eastman...
  15. Re: Help me choose 4x5 camera to buy in 2022

    Thank you for this JMO. I think this is very useful information for anyone looking to buy a Linhof camera.

    David
  16. Re: Help me choose 4x5 camera to buy in 2022

    I have had very good experience buying Linhof items from Linhof & Studio in England. And their prices are much less than US sellers.

    David
  17. Re: Which 360mm lens has the largest image circle

    The 360mm lens with the largest image circle is probably the 14 inch f/7.7 Dagor. My 1938 C.P. Goerz American Optical Company catalog claims this covered an angle of 87 at f/45. Doing the...
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    Re: What is this lens ?

    Thank you Dan:)

    Going out to dinner tonight but will be happy to look it up when I get a chance; I'm on Pacific Daylight Time here.

    I consider Hartmut Thiele's work to be an extremely valuable...
  19. Re: Master Technika... over the hill...

    I just checked, the 75 mm Biogon in a No. 1 Copal that Camera West has for sale is at their Ranch Mirage location. As it happens I bought my Master Technika 3000 at Camera West's Walnut Creek...
  20. Re: Replacing 300/4.5 Heliar with 300/4.5 Apo-Lanthar

    There is a repair manual from Compur Week here: https://www.suaudeau.eu/memo/rep/Compur-shutter-repair-manual.html

    If you click on "Specifications" and go about 4 pages you'll find the dimensions...
  21. Re: Master Technika... over the hill...

    So you put together that illustration yourself, very nicely done! And now I understand why the lensboard has an "earlier" color than the rest of the camera. Plus I thought that was an interesting...
  22. Re: Schneider 150/265 Compur Missing Locating Screw

    That's what I was thinking. In any case the OP has evidently decided to pass on this. I do like the cosmetics on this, the black shutter face. Per its serial number the lens was made between February...
  23. Re: Master Technika... over the hill...

    Yes, beautiful camera. I'd say that Copal shutter is rather later than 1972. What's the source of this illustration (perhaps I should check Linhof's website)
    David
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    Re: Best Fresnel Lens/Screens

    The original question was asked nearly 22 years ago by someone whose last activity was nearly 22 years ago. :D

    Having said that, the three recent replies certainly can be useful to present day...
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    Re: Photographers using a Goerz Artar

    See my post #10 from early this year: https://www.largeformatphotography.info/forum/showthread.php?166671-References-on-the-meanings-of-colored-lens-dots&p=1627917#post1627917

    Quotes information...
  26. Re: 135mm Schneider Componon Enlarger Lens Mount Size?

    Good catch! Yes, that's what the SK Grimes website shows.

    David
  27. Re: 135mm Schneider Componon Enlarger Lens Mount Size?

    The serial number on your lens indicates it was made between January 1967 and November 1968.
    A Schneider brochure I have on the Componon and the Comparon enlarging lenses with what looks like a...
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    Re: Flutist Shutter Service Promotion

    Missed that thread on the forum formerly known as apug.

    Recently asked Zacks about sending in a shutter and he asked me to hold off a couple of weeks, then asked PCW (Bob Watkins). Reply was to go...
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    Re: Flutot Shutter Service Promotion

    I managed to "auto-correct" the original mis-spelling from the context. I suspect auto-correct was the cause of the original mis-spelling.

    Once on a photography forum, maybe this one, I saw...
  30. Re: Original aluminum case for Linhof Master Technika

    I have that case, Linhof's number 022457. It has a small plaque showing the maker and the maker's website: https://rox.de

    I hope this helps. I think it's too bad Linhof stopped offering this...
  31. Re: Goerz Doppel-Anastigmat Series III No. 1 Question

    My understanding of the origin of the name is: Doppel Anastigmat GOeRz = DAGOR.

    David
  32. Re: Goerz Doppel-Anastigmat Series III No. 1 Question

    I'm sorry Dan, I should have quoted Ron's post just preceding mine to have been clearer. I'm referring to the Dagor shown in the link in ridax's post #17 and then quoted by Ron in post #21.

    And I...
  33. Re: Goerz Doppel-Anastigmat Series III No. 1 Question

    Doesn't "Series" vs. "Serie" and "7.7" instead of "7,7" plus maybe the mis-aligned numerals suggest this is one of the Burke & James "Berlin Dagors"?

    David
  34. Re: My New Tripod: Gitzo vs Leica Surveyor vs Ries

    There's one, don't seem to be able to do more than one, trying for the other ...230428

    And here its is, sorry for the cluttered back ground, did these quick and dirty with my iPhone out in the...
  35. Re: My New Tripod: Gitzo vs Leica Surveyor vs Ries

    As historical information, Ries at one time offered a tripod with a crown with a leveling ball. It was called the H700 (not like the H-series Ries tripods of today). A 1977 price list describes it:...
  36. Re: My New Tripod: Gitzo vs Leica Surveyor vs Ries

    Now that's a lovely Ries. Is that rosewood (maybe you said earlier)?

    Regarding knobs, some years ago they offered as an option a knob that was machined from bar stock but its style was...
  37. Re: Keeping borders square when trimming photos

    Yep I have one, a 20 x 20. And of course it's spelled "Nikor", no connection with the Japanese company. Don't know the origin of the name. My trimmer is labeled "Honeywell-Nikor Safety Trimmer" and...
  38. Re: Apertures for Zeiss Triple Convertible

    Looking at the pictures you posted earlier it looks like this lens screws in to a flange that is attached to the lens board of your Korona. Your simplest solution would probably be to take the flange...
  39. Re: Nikkor W 180mm f5.6 Lens Question - The Red "D"

    From the original version of Ted Orland's poster "Photographic Truths": "Falling lenses are attracted to rocks."

    I verified this many years ago with a 121 mm Super Angulon. It needed repair work...
  40. Re: Wide angle lens on folded-up Master Technika

    Regarding this, my Master Technika 3000 will close when a 4 3/8 inch Wide Angle Dagor, No. 1 rim-set Compur is mounted. Of course the OP asked about modern wide angle lenses, a description that I...
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