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    Re: Need Grubb Lens Expertise

    Here are the details of the Waterhouse stops should anyone want to make a set for their A3 Petzval:
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    Both photos were taken using another 1860s Grubb lens intended for stereo...
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    Re: Need Grubb Lens Expertise

    Today I received an A3 Petzval by Grubb and dating from the early 1860s. The glass was absolutely filthy and there was even an old sticker on the rear element. Careful application of Zeiss lens...
  3. Thread: Wales in the UK

    by pgk
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    Re: Wales in the UK

    I used to live in North Wales on the north coast about 1km outside Eryri National Park (Snowdonia). I also worked for a time in Swansea. I would suggest that if you want to see a lot without...
  4. Thread: odd lens mount

    by pgk
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    Re: odd lens mount

    Looks like a printing/copying set up of some description to me. I'd hazard a guess and suggest that it was out of equipment intended to deliver a specific print size and has sufficient adjustment to...
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    Re: 4 1/2" square lensboards

    Thanks all. In the end I made an adapter which took a fair amount of time and then bought some original slightly smaller boards and have made some more using a ply back and mahogany front which are...
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    Re: Hard Time Photographing During A Snow

    Its a real pity that there is no video record of Samuel Bourne shooting wetplate at 18,600 feet in the Himalayan snow in 1866. Shooting in the cold can be awkward, shooting large format difficult,...
  7. Thread: John Nesbitt RIP

    by pgk
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    John Nesbitt RIP

    Large format camera maker John Nesbitt who designed and built large format wooden cameras when he lived in Wales has died in France. I had one of these for a time and whilst it lacked some degree of...
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    Re: Need Grubb Lens Expertise

    I think its Nant Peris (much smaller than today!) looking up the Pass of Llanberis.
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    Re: Need Grubb Lens Expertise

    4009 is a real oddity in that the serial number places it firmly amongst the earlier type lenses originated by Thomas Grubb, but it is clearly marked as being from Howard and is obviously of much...
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    Re: Need Grubb Lens Expertise

    Looks like Llyn Gwynant to me. The building is still there but had boarded windows last time I saw it. At the vally bottom to the right of the photo is the campsite.
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    Re: Need Grubb Lens Expertise

    Thanks Steven. ould you provide dates for the second two please?

    The Advert I'd really like to get hold of is the ‘original’ advertisement of April 9th, 1859 in “The Photographic Journal” (No 82)...
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    Re: 4 1/2" square lensboards

    Thanks. I've located a a number of slightly smaller Gandolfi boards reasonably priced so will use those and simply make an adapter as this way I can also use them on other cameras too. Thanks for...
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    Re: Need Grubb Lens Expertise

    I am sure that William will reply (I know that he's somewhat busy) but the lens has 2 inch diameter glass fitted in the rear black ring which will give you some idea.
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    Re: Need Grubb Lens Expertise

    Intiguingly I have been carefully examining a lens engraved Howard Grubb and which I am thinking is probably from the 1990s )certainly post 1883 but more likely 1895+). Surprise, surprise it too has...
  15. Thread: Obsession?

    by pgk
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    Obsession?

    My current collection of Grubb, Dublin lenses:

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    Re: 4 1/2" square lensboards

    Again, thanks. Two of my cameras use boards which fit into the front section. They are of course different. I was simply hoping that one might be more easily obtainable if it was used on other...
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    Re: 4 1/2" square lensboards

    Thanks. It appears that this was yet another 'Special' from the Gandolfis. Standardisation and record keeping were not up to the standard of their camera build unfortunately. I currently have 6...
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    4 1/2" square lensboards

    I have a Gandolfi tailboard camera designed to take 4.5" square lensboards. This is the extrenal dimension. The external board is ~1/8" thick and has an internal secition 4 1/8" square which is also...
  19. Re: Any Real Reason To Favor One Particular Lens Line?

    Many years ago I was offered a long Nikkor lens (400) by a sports photographer working for a national newspaper in London. I was obviously used and unfortunately had some fungus as a result of being...
  20. Re: Any Real Reason To Favor One Particular Lens Line?

    FWIW I once owned a Takumar lens with a small but very obvious scratch on the front element. After a time i used a black felt tip pens to fill the scratch in - more obvious but it proved to be...
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    Re: Lens__ Circle of confusion

    Except with dome ports which produce a virtual image at 4r from the centre of the dome's sphere:o.

    Actually its a wonder that we ever get 'sharp' images with all these complications. I would...
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    Re: Lens__ Circle of confusion

    But doesn't that depend upon how sharp you want the print to look?
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    Re: Lens__ Circle of confusion

    In all honesty, a circle of confusion is a theoretical construct intended to illustrate what we see empirically. It rarely represents an actual reality. But it is helpful in keepig photographers...
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    Re: Lens__ Circle of confusion

    Rule of thumb; prints become shaper when viewed from further away.:eek:
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    Re: Lens__ Circle of confusion

    There is also the confusion circle which is the one in which photographers have a circular argument about the others.
  26. Re: Help Wanted: Camera with wide-angle lens to re-photograph 1920s Postcards

    FWIW I was commisioned to undertake a similar project some years ago. I shot the same views on a small format digital camera since the original images were relatively small and there was no absolute...
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    Gandolfi Tailboard Cameras - names and dates

    In terms of large format cameras Gandolfi are quite well known as a quality British maker helped no doubt by having the accolade of being the camera maker in business for the longest time. However...
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    Re: Resolving Power of Nineteenth Century Lenses?

    Easy enough to try them on a modern digital camera. Centrally even early lenses can be surprisingly good but they seem to fall off quickly. And FWIW I have a stereo lens from 1865 which performs much...
  29. Re: Running Book Review: D’Agostini/Rose - 19th Century Great Britain & Ireland Lense

    2914 is in the collection of the History of Science Museum in Oxford so that one probably has the lens from 2915 in it! I assume that these were 'D' designated stereo lenses.
  30. Re: Running Book Review: D’Agostini/Rose - 19th Century Great Britain & Ireland Lense

    Thomas Grubb was an early adopter of ray tracing so he too put effort into his designs. His 'portable' mount (pillbox type) still does a credible job of minimising flare, and his son still tried to...
  31. Re: Running Book Review: D’Agostini/Rose - 19th Century Great Britain & Ireland Lense

    I have searched extensively but can only find references to six existant Doublet lenses by Thomas Grubb, of which I own two, both made in 1865, from two sereies of serial numbers. Two others are on a...
  32. Re: Running Book Review: D’Agostini/Rose - 19th Century Great Britain & Ireland Lense

    Along with William I have been researching into Grubb Photographic lenses and yes we have enough for a book at around 35k words so far. We also have some intrifguing information such as the existence...
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    Re: Show off your Large Format camera!

    Yes, its called "Gandolfi Family Business" and you can get copies on Amazon, Ebay, etc.
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    Re: Show off your Large Format camera!

    Unfortunately, fascinating as it is, the DVD doesn't really help with models and suchlike.

    I have several Gandolfis and have owned others. These range from early tailboards in mahogany and teak...
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    Re: Show off your Large Format camera!

    Hi Mark

    Yours is a 'Precision' which Gandolfi supplied in mahogony with brass fittings or black painted mahogany with dull chromed fittings from at least the 1940s until they finished production....
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    Re: Need Grubb Lens Expertise

    Hmmmm. Dug my copy out. The screws are different suggesting that they, or some of them, have been replaced. I will remove them and see if they share the same thread and if it is still a Whitworth...
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    Re: Need Grubb Lens Expertise

    I have a similar lens. I'll try to get around to measuring the threads (I have Whitworth thread guages and Grubb used Whitworth threads) and the pinion sizes when I get time and post details.
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    Re: safe haven for tiny formats

    M9 & 21mm SEM
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    Re: Need Grubb Lens Expertise

    The stereo lenses now seem to being climbing in price. I find them surprisingly good centrally although they quickly fall off in terms of resolution. One thing which helps is that the pillbox design...
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    Gandolfi Tailboard Cameras

    I have two un-named half-plate tailboard cameras. After looking them over very carefully I know that one was built by Louis Gandolfi because it is stamped 'L Gandolfi Maker' underneath the bellows on...
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