British photographic history

Information and discussion on all aspects of British photographic history

Rob Tooley
  • 67, Male
  • London
  • United Kingdom
Share on Facebook
Share
  • Blog Posts
  • Discussions (16)
  • Events
  • Groups
  • Photos
  • Photo Albums

Rob Tooley's Friends

  • Gerry Palmer
  • Marcel Safier

Rob Tooley's Discussions

Help with Gasc and Charconnet lens
6 Replies

Started this discussion. Last reply by Rob Tooley May 24.

Gifts Received

Gift

Rob Tooley has not received any gifts yet

Give a Gift

 

Rob Tooley's Page

Latest Activity

Rob Tooley replied to Rob Tooley's discussion Help with Gasc and Charconnet lens
"Thanks all, I don't have the D'Agostini book but have seen diagrams of the Derogy lens which looks as if it can be assembled in many different combinations. There is a letter in an early British Journal of Photography which mentions the…"
May 24
Stephen Bottomore replied to Rob Tooley's discussion Help with Gasc and Charconnet lens
"Thanks Michael. Based on your info, the others on French and German lenses can be found by searching on “Corrado D'Agnostini” in http://www.worldcat.org/search .  Stephen"
May 23
Michael Pritchard replied to Rob Tooley's discussion Help with Gasc and Charconnet lens
"Corrado D'Agnostini & Ivan Rose, Dallmeyer, Grubb, Ross, Taylor, taylor & Hobson, Horne, Thorthwaite & Wood. Photographic Lenses 19th Century Great Britain and Ireland. NAJS Editzioni, 2021. ISBN: 978-88-940997-8-2."
May 23
Scott Bilotta replied to Rob Tooley's discussion Help with Gasc and Charconnet lens
"Photographic Lenses of the 1800's in France by Corrado D'Augustini mentions a Derogy convertible lens of 1858.  Perhaps you have this book?  On p347 the author wrote that "Gasc & Charconnet built an  Objectif…"
May 23
Michael Pritchard replied to Rob Tooley's discussion Help with Gasc and Charconnet lens
"Stephen I bought a copy of the British volume. I have some comments about it.  I can provide details of the imprint. Frederic Hoch was holding copies of all three on his table, but said that eBay was the place to buy. "
May 23
Stephen Bottomore replied to Rob Tooley's discussion Help with Gasc and Charconnet lens
"Hello, At the Photographica 22 event, which took place yesterday, on one of the dealers’ tables I saw three thick books listing, respectively, French, British and German lenses. These volumes seemed to be privately published and well…"
May 23
Rob Tooley posted a discussion

Help with Gasc and Charconnet lens

I have come across a lens by Gasc & Charconnet it is an ordinary Petzval design with the addition of a third lens placed between the other two. The extra lens is a cemented achromat. The third lens and the front element are both mounted in a tube which slides relative to the rear lens group.With the third lens removed and the tube retracted the back focus of the lens is 6". With the third lens in place and the tube extended the focal length is reduced and gives a smaller image with a back…See More
May 20
Rob Tooley replied to Damian Hughes's discussion Collodion practices
"A good manual is "Directions for obtaining both positive and negative pictures upon glass by means of the collodion process, and for printing from the negative glasses on to paper" by T. H. Hennah. This is online at archive.org. There was…"
Apr 7
Rob Tooley replied to Damian Hughes's discussion Collodion practices
"Hello, I think we are looking at the back of the tent so the little flap or door would be a 'red window' the tall object on top of the tent to the left is probably a water tank. There is a modern description of an old tent…"
Apr 4
Rob Tooley replied to Roger Hyam's discussion Concave mirror in early camera
"Do you mean the Walcott camera? Do a search for Beard and Walcott."
Nov 6, 2021
Rob Tooley replied to Roger Hyam's discussion When did bellows material become synthetic?
"Early bellows were commonly finished in leather but cloth and paper were also used even as early as the wet-plate period. Sometimes the leather was coated in shellac or similar which gives a very shiny synthetic look. Advertisements sometimes…"
May 19, 2021
Rob Tooley replied to Anne Bull's discussion A.E.Staley and Sands and Hunter
"Hopefully two files are attached showing adverts for the Royal from 1907 and 1908. The shutter is probably set in two parts – by setting the spring tension which controls the rate at which the blinds move and by changing the gap between the…"
Nov 14, 2020
Rob Tooley replied to Anne Bull's discussion A.E.Staley and Sands and Hunter
"This looks like the Royal sold/made by Staley  in the 1900s. The large focusing hood was introduced in 1908.  Sands & Hunter would have been the retailer either new or second hand.  I'll add some photos that show adverts for…"
Nov 12, 2020
Rob Tooley replied to Timothy Greyhavens's discussion What is a "Victoria"?
"The Cyclopedia of Photography of 1912 gives it as a portrait mount measuring 5 x 3 1/4 inches."
Jul 9, 2020
Rob Tooley replied to Bob R_S's discussion Kodak postcard 1935
"Kodak sold sensitised paper with the reverse printed for use as a postcard. So the photographer may have printed it himself."
Jun 24, 2020

Comment Wall (2 comments)

You need to be a member of British photographic history to add comments!

Join British photographic history

At 9:07 on August 10, 2018, John Mead said…

Many thanks Rob just checked the location on Google Street view, it is Union Street, Ryde.

At 21:10 on February 7, 2017, Gerry Palmer said…

Please don't worry about the time scale, there's no hurry. I appreciate you taking the time to help. Is your 1/4 plate the Albion.

Best regards,  Gerry.

 
 
 

© 2022   Created by Michael Pritchard.   Powered by

Badges  |  Report an Issue  |  Terms of Service