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  1. Re: Interesting Lerebours Counterfeit lenses?

    There is now a third example of a "Lerebours" with the dubious engraving from the same source (engraved retailer's name). This one is in very much worse condition. Can be seen here:
    ...
  2. Re: Brass lens suggestion for a 4x5 camera

    I'll check my Ross CdeV sources sometime to-day. I still think it is a no.2!

    One of the problems with early catalogues is that there was a tradition of giving the "back" focal lengths, not the...
  3. Re: Brass lens suggestion for a 4x5 camera

    Well the title on thumbnail says "Petzval" and I would be surprised if it was something else!

    Ross was naughty about labelling this Petzvals until quite late, so this is likely a CdeV no.1 or...
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    Re: is THIS fungus or something else?

    Agreed!
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    Re: Help with Hermagis Petzval lens info

    Yes! Hermagis used the last two digits - both in the 19th and 20th centuries.

    It matches well with the known matches of serial numbers and dates of production.
    ...
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    Re: is THIS fungus or something else?

    I don't like the look of the very regular sharp semi-circle. Need a much closer image, but I doubt it is fungus. Is this a non coated Voigtlander Heliar?
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    Re: Largest 19thc Wet Plate negatives

    Acting on an impulse, I decided to have a quick browse through Dallmeyers archive for likely candidates for a 36"x36" covering lens for the period before the lens mentioned in the super interesting...
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    Re: Voigtlander & Sohn No. 9, ca. 1875

    Sorry, but you must be mixing my post with another post!

    I did not call the lens a piece of junk. It is a fine and rare lens. Not for everyone, though - as the camera needs to be huge and...
  9. Re: Help with a "Le Polyopse No. 1652" brass barrel lens

    Not much real information, except it looks like a Petzval, but there is also this (page 5).

    https://rucore.libraries.rutgers.edu/rutgers-lib/26283/pdf/1/
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    Re: help choosing an 8x10

    Here are two of my 18x24cm tailboard cameras with the original (extra equipment!) mounted. Originally these were supplied with bronze rods. I have experimented with both new bronze rods and with...
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    Re: What camera to bring?

    Usually perfect light and weather for LF, but the towns/cities you mention are very busy at periods! For just town work, I would use a TLR like Mamiya or Rollie. People are much more relaxed about...
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    Re: help choosing an 8x10

    I think I have mentioned this before but the Brubaker "invention" is a poor imitation of a device that was used on many Continental travel cameras from the 1890's onwards - those bigger than 13x18. I...
  13. Thread: 26" lens

    by Steven Tribe
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    Re: 26" lens

    Yes, nearly all projection lenses have the EFL written as you describe. Beseler made Petzvals early on, but went over to the Cooke triplet design with shorter barrels and only 3 lenses to...
  14. Re: PETZVAL lens help~~~ to make a new lens barrel

    I can't give you the position of the Waterhouse stop, as mine is from the period before French makers went over to the UK Waterhouse system. It has insert stops in the center of the barrel which...
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    Re: Docter Wetzlar Tessar 210mm f4.5

    Plenty under search.

    Perhaps best here.

    http://www.largeformatphotography.info/forum/showthread.php?16468-On-Docter-Optics-and-testing-210mm-lenses&highlight=docter
  16. Re: PETZVAL lens help~~~ to make a new lens barrel

    This can only be a series I. The other possibilities were:

    no.4 Petzval "objectif a monture universelle" - this is the series with an extra flange thread on the brass hood! EFL is 24cm.

    no.5...
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    Re: Largest 19thc Wet Plate negatives

    Splendid link!

    New, I think, and interesting. He moved from gold to silver!

    I wonder if he built the house at a location suitable for his imaging plans?
    Now where did he get his lens? With his...
  18. Re: PETZVAL lens help~~~ to make a new lens barrel

    I suggest you measure the diameter of the front achromat and copy the data which is written in ink on the side of the two lenses which have space for them!

    Hermagis did have a standard Petzval...
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    Re: Help with Hermagis Petzval lens info

    This is described as the series I Portrait in the 20th Century by Hermagis, but is, in fact, a continuation of the first Portrait Petzval made early on by Hermagis. Series II are similar, but a lot...
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    Re: Poco B restoration

    I have done some work (many years ago!) on the bigger Poco 8x10. My leather covering the "box" was in very good condition, apart from a few places where a black dye could cover the emerging red marks...
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    Re: Unicum shutter issues

    Photo please!

    We might be able to help if we can see the part.
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    Re: Unicum shutter issues

    There are some useful previous threads with illustration - best perhaps here

    http://www.largeformatphotography.info/forum/showthread.php?138854-Unicum-shutter

    To be honest, they were not much...
  23. Re: Large DIY-Shutter for shorter than 1/6 exposures

    See http://www.largeformatphotography.info/forum/showthread.php?83417-Grundner-Shutter-Repair-Servicing&highlight=grundner
  24. Re: Large DIY-Shutter for shorter than 1/6 exposures

    You will get moved to the lens section!

    These are called Grundner shutters. Yours is missing the metal can. They are used exclusively as behind the lens board or front standard shutters.

    The...
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    Re: How many Voightlander #7 lenses?

    Apart the usual numerals, a couple of makers made some smaller versions using 0 and 00 to meet demand for smaller formats. Hermagis used 0 and 00, but in this case they meant super large and...
  26. Re: Lecture on Petzval Lenses, Tucson, Oct. 5

    It is nice that some of the old repeated stories have a grain of truth in them. I was checking various addresses of the early Vienna Petzval maker Waibl on a old map of Vienna from the 1850's and...
  27. Re: education for building a ULF wet plate camera

    There are 31 available at Abe - one of them is cheap!
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    Re: Risk of fungus

    I have a somewhat different opinion about fungus!

    Giving the camera a general clean-up is a good idea. But, to honest, the air is full of fungus spores which will inevitably reach most surfaces....
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    Re: New Photographica Auction Site

    Try here.

    https://www.the-saleroom.com/en-us/auction-catalogues/flintsauction/catalogue-id-flints10003

    The word "passed" is not used - but no selling price means the same. Touching the box...
  30. Re: education for building a ULF wet plate camera

    I would have thought that the best way is to build a non-ULF, perhaps like a sliding box camera from 1855-1865 which were usually quite small. Wet plate is not for everyone and I, personally, can't...
  31. Re: education for building a ULF wet plate camera

    Now, I don't know where you live so this suggestion may not make any sense at all.

    I know someone in Southern Sweden who wanted to build a ULF camera and who took part in a wood-working evening...
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    Re: New Photographica Auction Site

    I have been in touch with Flints auctions and I can confirm that they are open to offers on unsold items! I am not sure that the opening prices are viewable on the Saleroom auction site.
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    Re: Voigtlander & Sohn No. 9, ca. 1875

    If the box in the foreground is what it came in, then I can confirm that it is not the original Voigtlander box!
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    Re: New Photographica Auction Site

    Just a thought!

    In my view, there quite a few unsold lots that were interesting but suffered from "lot saturation". Different Auction houses have different policies about post-auction purchases of...
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    Re: need help buying 10x12 camera

    I'm back because two similar cameras were sold yesterday at Flint' auction.

    Yours looks like a 12x10" uk style camera. Lot 379 and lot 380 were similar cameras. See link here for 379.
    ...
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    Re: Some Soft Focus Lens Sales Information

    The Flint's auction today was mostly about complete wood and brass 1/4 to 1/1 plate cameras with lenses. There was a single soft focus lens on one of the more non orignal full plate cameras.

    Lot...
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    Re: New Photographica Auction Site

    The auction was to-day and went well - with no technical hitches and a reasonable pace with a competant auctioneer.

    I was expecting some reduction on bidding as there was a very large quantity of...
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    Re: Restoring a French Guerry Shutter

    As I have a very poor record of repairing cycle tubes for my children, I just a a double folding glueing system for making the replacement expanding bellows. I keep well away from the valve...
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    Re: Restoring a French Guerry Shutter

    There was an illustrated thread.

    http://www.largeformatphotography.info/forum/showthread.php?83417-Grundner-Shutter-Repair-Servicing&highlight=grundner

    Now without any illustrations!

    The...
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    Re: Tachihara history?

    The pencil serial number - year date and camera number that year - is easily seen on the rear base cross member.

    But there is an additional pencil identification of just the camera number on the...
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