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    Re: LW Kranz Lens

    So pleased you were able to use just about all my guesses in your recent Ebay listing!!
    How about 10% of the revenue?

    I hope the info here will be of more permanent value for others!
  2. Re: Rodenstock Imagon 22cm/4 Kunstler Portratobjektiv

    Doesn't look much like an Imagon to me unless the front "lens" is a plain glass/filter?

    Perhaps Rodenstock transferred the "Acquired trade name" to grace the Imagon product?
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    Re: Joseph Levi & Co. The European Lens

    Some more information and photos.

    Breker had another Joseph Levi "The European" CdeV Petzval in an auction in 2016. No bids at 240€ starting
    I bid for the same lens (Without realising it) on...
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    Re: Lerebours Serial Number - Rice Writing

    Just a small addition about lens hood cup apertures! Everything eventually appears on ebay ( and perhaps our own FS section too!).
    I discovered this on French ebay. It is a complete cup insert for...
  5. Re: Dallmeyer or Vitax diffuse focus in action?

    I think people will be very reticent about illustrating, describing and comparing different pictorial lenses in action. We all have our own "soft lens" glossary - which may not be accepted by others!...
  6. Re: Glass Plate 4.5 x 6.5 Holder compatibility

    [QUOTE=Nodda Duma;1522530]Get or make a plater adapter insert 8x10 -> whole plate for 8x10 plate holder.[/QUOTE

    Like these - which are from 1/1 plate down to 1/2 plate and 1/2 plate down to...
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    Re: My new 5x7 camera

    Yes, but there are two versions of the 1890-1930 reisekameras. There is the square bellows type (the type you had a link too) bit there is a second type with a tapered bellows which swivels around...
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    Re: My new 5x7 camera

    We do have a problem with references to on-going auction (ebay!) listings! So if this contribution is deleted, try a similar enquiry WITHOUT examples from current listing. It is obvious your intent...
  9. Re: What to think of edge separation of old Petzval lens?

    Yes,you should be very concerned!

    The rear lens cell contains two separate lenses, neither of which is an achromat.

    Your lens is either not a Petzval or the front and rear cells have been...
  10. Re: Hermagis Serial numbers Need your help with a database

    I have once had success in contacting an ebay winner through contact with the seller. I don't think this is against ebay rules.
    But you have to convince the seller that your approach - with a wish...
  11. Re: Cleaning up old plate holders and camera

    The drying out cracks used to be solved by strips of blackened paper stuck on the outside. You may find more cracks if you flex the dark slide a little - as it would be when in use. I have used black...
  12. Re: Need help with the first complex lens board I've ever seen

    These mass produced German folding cameras had no separate lens boards/front standards. access to retaining rings was through the back of the camera when the ground glass panel was pulled out....
  13. Re: A bit stuck (literally) on how to proceed taking apart this Liesegang Lens

    This lens is nearer a "Globe" lens than a RR version and the fixed maximum aperture looks nearer F.20 than the usual F.14.
    So perhaps a 100+ degrees WA!

    Later, well check this out!
    ...
  14. Re: A bit stuck (literally) on how to proceed taking apart this Liesegang Lens

    Need lighter photos of the barrel and the exact engraving!
    Liesegang never wholly commited themselves to mass production of taking lenses and eventually found their niche in projection lens design....
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    Re: LW Kranz Lens

    And now - Understanding the Kranz lens Catalogue!

    For each lens type the diameter of the front lens and the rear lens are given as well as the focal length. In addition, it gives the plate sizes...
  16. Re: Need help with the first complex lens board I've ever seen

    Just to confirm what has been suggested!
    The rough black lens board has been removed from a scrap ICA Juvel - complete with the "smart?" shutter bayonet mounting device. Voigtlander had a similar...
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    Re: LW Kranz Lens

    ......continued!

    I have done a check of L.W. Kranz lenses (Including my own small APL II) and yours appears to be unique as regards the rear cell (it can be split in half), the lack of a serial...
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    Re: Rapid View Portrait (RVP) Pictorial lens

    Your RV was made for 8x5" - see post #87.
    The flange size is exactly 2" a very common UK size.
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    Re: LW Kranz Lens

    I have done the "translation" of the antique measuring system on other catalogues before, so will check my notes tomorrow! Each of the independent german states (in 1861) had slightly different...
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    Re: LW Kranz Lens

    We don't do valuations here! But there are a awful lot of these around made by better known makers!

    L.W.Kranz Braunschweig (Brunswick) was active just after Voigtlander moved most production from...
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    Re: 10x12 format?

    9.45x12" sounds like 24x30cm. The availability of cameras which take this European standard equivalent to 10x12" is greater than the corresponding numbers of 10x12". Lots were made made around 1900...
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    Re: Need Grubb Lens Expertise

    Serial number 5277 Howard Grubb fullplate aplanatic doublet to be added to post #52!

    Just confirms that Howard Grubb's UK relancing was not a great succes as all found serial numbers are very...
  23. Re: Thornton Pickard shutter: replacement string/cord ?

    Yes, he is the same person, but, I fear was the same person!
  24. Re: Thornton Pickard shutter: replacement string/cord ?

    Unfortunately, Ian Grant, who was a specialist in T-P shutter servicing and repair, hasn't been able to post here since 2017!
    There may be a "body of knowledge" lurking here locatable using...
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    Re: Seeking Gandolfi knowledge

    Well done!

    I thought you might like to see the illustration on the cover of the standard book on UK camera makers. A horizontal version of yours - made by ? for Ross.

    After seeing your...
  26. Re: Identification of a brass Magic lantern lens

    Prof. Petzval designed a new optical layout which was much faster than the objectives in use in 1839/39. He collaborated with a number of opticians in Vienna (including Voigtlander and Waibl) in...
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    Re: Seeking Gandolfi knowledge

    This locking system - which is most common on the front standard on the more traditional UK field cameras - does eventually show signs of wear in the small piece of flat brass which clamps around the...
  28. Re: Identification of a brass Magic lantern lens

    It is a well made Petzval lens from around 1900. They have written "rear" on the rear lens because the front and rear threads are identical and the two cells can (and often are!) mounted incorrectly....
  29. Re: Current sources for having a lens flange made?

    But this looks like a promising and professional contact for those of us who live in the EU.
    Package post within the EU functions extremely well (Note the use of "well" rather than "good"!)....
  30. Re: Any information on the Holterman and Bayliss Plates - Lens that was used???

    There is a relevant earlier thread on the Holtermann project.

    https://www.largeformatphotography.info/forum/showthread.php?142554-Largest-19thc-Wet-Plate-negatives&highlight=holtermann

    Post #9...
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    Re: Some Soft Focus Lens Sales Information

    "Virgin" because this particular lens has never been used - according to the seller. But also because this is the first time this retro design has appeared in this thread.
  32. Re: Looking for a brass 8x10 barrel style lens with either rotating aperture or iris

    Going over to PM here as main content has become camera rather than lenses!
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    Re: Suter serial numbers and dates.

    This is the same series as the Rapid shown in the summary of the 1900's catalogue.
    As a small maker, Suter had to engrave F scales to satisfy the demands of very different markets.
    Your scale...
  34. Re: Which Petzvals have the Dallmeyer modification?

    Just to add another known convert to the Dallmeyer rear cell design in the 20th Century.

    The late series 1a Petzval from Voigtæander also had it. This is the series that mostly had smaller sizes...
  35. Re: Looking for a brass 8x10 barrel style lens with either rotating aperture or iris

    This has been someone's unfinished project!

    The camera is a complete 18x24cm camera. A previous owner has purchased an extra Kodak 8x10 item - I am not quite sure what it is - probably with the...
  36. Re: Looking for a brass 8x10 barrel style lens with either rotating aperture or iris

    Dear Nelly/Ellen!

    I think this is probably an 18x24cm camera - very few were exported from Continental Europe modified to 8x10"!
    Apart from lens makers you mentioned - and a few others - retail...
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    Re: Some Soft Focus Lens Sales Information

    Renewing this thread happens just about once every month now!

    Anyway, here is a "Virgin" entry!

    Eckhardt Optics take on the Dallmeyer 3B - using glass available a few years ago.

    Unused...
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    Re: What camera is this?

    This is a very typical French (Walnut?) 18x24cm travel camera. It is the "turn the bellows" type which reduces the width of the camera. Because of the necessary rigidity, the bellows are often...
  39. Re: Adjustable Spacing in Jamin Darlot Petzval Lenses

    Just a quick response, as it is well past my bedtime!

    Surely, the illustrated version (which I have not seen in real life!) is another ingenious brass design to facilitate extra use of the...
  40. Re: Which Petzvals have the Dallmeyer modification?

    When I wrote "later Cabinet series", I meant sometime in the 20th Century! This is from the Professional Kodak Catalogue of 1934. Of course, sales of Portrait Petzvals were pretty low by then as the...
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