Complete tutorial for building a device that allows you to make sun exposures with the same amount of UV radiation even at different times and atmospheric conditions. Useful for cyanotype, gum bichromat, salted paper and other historical photographic printing processes.
Book on photographic optics from the beginning of photography to the first anastigmatic lenses.
19th century German and Austrin optics. Detailed photos, documents, catalogs and an excellent bibliography. A must have by the collector and scholar of the subject
Complete and detailed tutorial for you to produce a magnetic stirrer. It is an invaluable aid for preparing solutions in analog photography, such as developers and fixers. Assembly is very simple and uses low cost components.
Complete project for the construction of a photographic amplifier head using RGB LEDs. Includes your timer / mixer. It allows the use of multi-contrast papers and can be fixed on a 4×5 camera for use as an amplifier.
Tutorial shows you how to spot retouch black and white photos either by chemical reduction, or by depositing pigments to darken small areas. Procedure can be used for fault correction or creatively as photograph interventions. Example shows how to enhance catchlights.
Article shows how you can change the perspective of an enlargement by tilting the easel in the analog photo lab
A lens originally developed by Hermagis and launched in 1903, the Eidoscope is one of the highlights of soft focus optics. This sample was manufactured later by SOM Berthiot, which kept Eidoscope in its catalog after acquiring Hermagis in 1934.
This video-complete tutorial presents a photo retouching technique that aims to lighten up areas of a photograph using a Potassium Ferricyanide reducer.
Bakelite camera manufactured by Kokak in the fifties. It uses 620 films that are no longer manufactured, but having two empty reels, it is possible to spool the film 120 with its own protective paper and markings, because internally the reels are compatible.
Known as detective cameras, falling plate cameras, magazine cameras or, for the novelty of its day, simply as hand cameras, the Klito was very important in the history of photography as a transition from a tripod and black cloth to handheld camera photography.
One of the most commonly used large format lens at the height of analog photography, Symmar follows a 1903 concept named plasmat and has been adopted as a standard lens by many thousands of photographers.