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Beck R J Telephoto Cornex (Model Ib) |
 Version française |
Manufactured or assembled in United Kingdom from (Circa) 1905 to (After) 1905.
Inventory number: 13751
See the complete technical specifications
Chronology of cameras Beck R J
Although it may not be a significant inconvenience for a photographer using a tripod to have to remove their lens, attach the telephoto element to the front of the camera, carefully focus on the ground glass, and then take a telephoto shot, these minor challenges limit this branch of photography to those who don't mind taking a little extra time.
The Telephoto Comex, however, makes telephotography more accessible to less diligent users, in addition to providing a practical instrument for the public. While it possesses all the essential elements of a good detective camera—rigidity, simplicity, etc.—it also serves as a telephoto camera with focusing capabilities, accommodating twelve plates or films. It is complete in every detail and offers the operator all the advantages of a telephoto lens. It features a lens with an equivalent focusing distance of about 18 inches, producing an image approximately three times the linear size of the original. An important point is that it is in no way handicapped by its use as a telephoto camera; it can also function as a quarter-plate format detective camera designed specifically for that purpose.
(a) Locking of the front part position
(b) Rod carrying the telephoto lens
(c) Opening of the front part
(d) Shutter release
(e) Hole for pneumatic tube
(f) Latch of the rear door
(g) Plate change
(h) Counter
(i) Locking of the front part in intermediate position
The Telephoto Cornex is a hybrid of a typical detective camera with the usual characteristics and a view camera since the front part is attached to a longitudinal slide, and a bellows ensures light-tightness. Inside the rear part, an optical group can be moved to transform the lens into a telephoto lens.
There are several models available, depending on the lens and shutter equipment of the camera.
In 1854, two brothers, Richard and Joseph Beck, renamed their London-based optics and microscope company to R & J Beck Ltd after the withdrawal of their third partner, James Smith. The production of cameras began in 1880, and it was in 1892 that the Frena models with their unique system of a notched-edge roll film magazine were introduced.
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