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  1. Replies
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    Re: Some Soft Focus Lens Sales Information

    Quinn's Auction Galleries Central Virginia 26. Sep. 2017
    P & S Visual Quality. Semi-achromatic; 13 inch (132334663535) = US $3.000,00 +20, 25 or 29% fees depending on bidding and payment
    P & S...
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    Re: Petzval lens identify

    here is my old thread about the same logo http://www.largeformatphotography.info/forum/showthread.php?126806-Lens-manufacturer-id
    looks like the rusty one in this thread and both have only a slight...
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    Re: Interesting Lerebours Counterfeit lenses?

    seems Lerebours is the new hype...
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    Re: Some Soft Focus Lens Sales Information

    what do you mean with failed, Pierre ?
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    Re: Darlot Lens ID Help

    a 19" f4 Petzval lens is at least 2-3 times bigger than that, so this can't be.
    to me it looks like you've got a lens with two rear elements (just as Steven noticed already). this explains the soft...
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    Re: Loose Lens - Can I just tighten it?

    it is as simple as just tightening it, don't worry. the spacing between the elements is critical, but your shutter (or barrel) takes care of that already.
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    Re: strange (Petzval?) lens id

    forgot to mention that it is most probably french.
    would appreciate any input !
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    Re: strange (Petzval?) lens id

    measured FL is 220mm, it is F5 and pretty sharp. A sample can be seen here
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    strange (Petzval?) lens id

    Hello,

    please help with the ID of following lens -

    156986 156987 156988 156989

    At first it looks like a Petzval, but the front element is not cemented and is much smaller than the rear,...
  10. Re: Mounting Tessar 165mm f/2.7 on Speed Graphic

    This lensboard looks 3D printed. Ask your local 3D printing service. There are free models of a Graflex lensboards available which you or they could edit accordingly. Here is an example...
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    Re: 400mm f4 Charles Shepherd Questions

    here is a recent sale of the same lens at Breker auction https://new.liveauctioneers.com/item/47551077_petzval-type-portrait-lens-by-charles-shepherd-c-1856
    buyers premium was 24.3% for this auction.
  12. Replies
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    Re: Some Soft Focus Lens Sales Information

    and another strange (low) price for a big-ish Petzval - Dallmeyer 3A = 1360 EUR (262622811554)
  13. Replies
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    Re: Some Soft Focus Lens Sales Information

    re: the currently auctioned Pinkham - imo it is a fake, old or new
    re: Petzval lens sales - all i can say is, the market is strange and very elastic

    from today - Dallmeyer 4B in sad condition...
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    Re: Some Soft Focus Lens Sales Information

    EIDOSCOPE 150 mm / 4,5 = EUR 657 (381677851354)
  15. Thread: Petzval ID

    by seven
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    Re: Petzval ID

    Jim, then you know what yours is, Millet is a well known french manufacturer.
  16. Thread: Petzval ID

    by seven
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    Re: Petzval ID

    we have a winner - Steven as always ;)
    it looks like a William Hume indeed.
    thanks !
  17. Re: any users around of longer Ernemann Ernostar lenses?

    it's Ernostar, not Ernomann ;)

    here you go : https://www.flickr.com/search/?user_id=25515421%40N02&sort=date-taken-desc&text=ernostar&view_all=1
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    Re: 1927-28 Photo Catalog with lenses

    Thank you, DrTang !
  19. Thread: Petzval ID

    by seven
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    Petzval ID

    Greetings !

    i have a no name Petzval with a pencil signature "WH" on both front and rear lenses. has anyone seen this signature and know the manufacturer ?
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    Re: Hermagis image size

    whole plate is not 8x10".
    and yes, you're right, it will cover more at portrait distances. but it will still be too wide for a good portrait perspective on 8x10".
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    Re: Where to look for information on lenses?

    thanks a lot, Dan !
  22. Replies
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    Re: Some Soft Focus Lens Sales Information

    Dallmeyer 3C (381613782555) = 4.528,88 (EUR 5.705,78).
    first one i ever saw for sale on ebay.
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    Re: Wollensak #4 Studio Shutter

    did that already. then what ? the top part of the shutter with the aperture scale - is it supposed to get unscrewed also ?
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    Wollensak #4 Studio Shutter

    quick question - how to disassemble a Wollensak #4 Studio Shutter ? there is surprisingly not much information on this topic. the only useful hint i could find is "top comes off after you remove the...
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    Re: Some Soft Focus Lens Sales Information

    don't know why, they just are. ok, apologies, not all, most of them ;)
    5D* 1600€ +22.3% = 2211 USD
    4A* 2800€ +22.3% = 3869 USD
    Objectif d'Artiste Darlot version for 13x18cm (?) clean 1000€. +22.3%...
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    Re: Some Soft Focus Lens Sales Information

    some more from the same Breker auction
    Hermagis Eidoscope F/5 No. 2 = 1200 EUR
    Dallmeyer's No. 4 Stigmatic = 600 EUR
  27. Replies
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    Re: Some Soft Focus Lens Sales Information

    all of the EUR-USD conversions are wrong.
  28. Replies
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    Re: Some Soft Focus Lens Sales Information

    Dallmeyer 4b (161976730091) 4260 usd
  29. Re: French Lens Conundrum - Photographic or Telescope?

    i agree, the diagrams in the book show simple lenses.
    now you only need to find that BIG Derogy lens :)
  30. Re: French Lens Conundrum - Photographic or Telescope?

    the "plus petit" of the lens in D'Agostinis book is 0.6 dioptres.
  31. Re: French Lens Conundrum - Photographic or Telescope?

    According to D'Agostini (p.344) the "plus petit" of a Derogy Foyers multiples is a positive achromatic doublet. Nothing about the "plus grande".
  32. Re: French Lens Conundrum - Photographic or Telescope?

    Another possibility would be that they are part of a larger "trousse" set. I've seen such with bayonet mount from Hermagis, but never from Derogy.
    What is sure imo is that it is a Derogy product....
  33. Re: French Lens Conundrum - Photographic or Telescope?

    I was thinking about buying them too, but then sanity kicked in. I don't think i will ever find the Derogy to fit them and even if i do i can not afford it.
    These are most certainly from a BIG...
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    Re: Some Soft Focus Lens Sales Information

    The one from this series of OEM lenses i owned (labeled Eastman Portrait) was very soft, muddy soft. Worst petzval i've ever seen.
    btw - another one labeled Pinkham & Smith surfaced on ebay for $5k.
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    Re: Goerz Dogmar Lens Question - Soft Focus?

    short answer is - no.
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    Re: Collodion - Wet Plate Images

    beautiful plate, cbk !
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    Re: Determining Petzval lens coverage

    i don't think so. maybe on some lenses it is. on all Petzvals i have seen or own FL is bigger than physical length.
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    Re: Determining Petzval lens coverage

    with Petval lenses the FL is roughly equal to the diameter of image circle. 4x5" diagonal is 6.4" or 162mm, try looking for a lens with such or bigger FL.
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    Re: Lens manufacturer id

    yeah, reminds me of G&C too, but it's not, checked it. different. also reminds of Peerless logo and also is very different :(
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    Re: Lens manufacturer id

    114 views an no one recognizes this logo ?
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