XIX·XXI, A tribute to the work of Charles Wheatstone and William Henry Fox Talbot 1. Introduction - On June the 21th of 1838, Charles Wheatstone presented his paper Contributions to the Physiology of Vision. Part the First. On some remarkable, and hitherto unobserved, Phenomena of Binocular Vision (9-WHEAT) on the Royal Society, about the priciples …
Measuring UV Light Output
From time ago, I was wondering about a system to measure to UV output of the several lamps I have available in my studio, as well as how much it lasts a given lamp to be stabilized with a constant output power. There are in the market some specialized UV light meters to do those …
More about Full Frame EVIL Cameras
In recent two posts of this blog, Photographic Gear Evolution II – EVIL vs DSLR and New Z6 and Z7 Nikon EVIL cameras, have been discussed some apparent constrains using former well reputed lenses over a mirrorless full frame camera and also the particularities of the new appeared Nikon mirrorless camera bodies beside the new …
New Z6 and Z7 Nikon EVIL cameras
Nikon releases its new brand Z6 and Z7 EVIL Full Frame cameras. It is curious that one of the first accessories announced is the FTZ (F-mount To Z-mount) lens adapter providing compatibility with all its F mount existing high quality lenses. This adapter allows a flange focal distance of 46.5mm, used by Nikon for decades …
Photographic Gear Evolution II – EVIL vs DSLR
(Updated on August 13, 2018) There is a great discussion among professionals about the opportunity to substitute the bulky DSLR (Digital Single Lens Reflex) cameras by the new appeared mirror-less, even more the last EVIL (Electronic Viewfinder Interchangeable Lens) full frame camera systems. The debate was not so evident while the offer of EVIL cameras …
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Carles Mitjà - ASIS/FRPS 