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Contarex I, showing aperture selected in the "Bullseye/Cyclops" window. The Contarex I, aka Bullseye (catalog 10.2401), was built between 1959 and 1966. [14] It was the first 35mm SLR camera with a focal plane shutter that provides direct light meter coupling to the shutter-, aperture-, and film speed-settings; they are interconnected by cords.
Platinum Sterling is a registered trademark name of ABI Precious Metals, Inc. The trademark covers a range of alloys whose primary constituents are platinum and silver, primarily used in jewellery. [1] The range of Platinum Sterling alloys was developed in 2003 by Marc Robinson, and its solder was created by Chuck Bennett.
The T and T2 have a fixed 38 mm wide-angle Sonnar lens (5 elements in 4 groups), while the T3 uses a redesigned 35mm Sonnar lens (6 elements in 5 groups). The T-VS and T-VS II use a 28–56 mm Vario-Sonnar lens (where the "VS" in T-VS comes from), while the T-VS III has a 30–60 mm Vario-Sonnar lens. All analog T and T-VS cameras use 35 mm film.
Gold vs. silver: Speculative uses The demand for gold and silver comes from different sources, with gold primarily an investment asset and silver an industrial one.
The measurement of sales of popular music starts high relative to the wedding anniversary scale, concentrating on gold and platinum (see gold album).Likewise, credit card companies usually have a "gold card" and a "platinum card" (many formerly had a "silver card" then followed by a "gold card", but due to similarity in appearance between silver and platinum these were often discontinued with ...
"T coating", Zeiss special T* coating. Only with Sony Zeiss lenses ZA "Zeiss α", lenses for Sony α cameras. ZA lenses are designed and manufactured by Sony in Japan, once the designs get approval by Carl Zeiss AG to meet their quality standards.
Interference-based coatings were invented and developed in 1935 by Olexander Smakula, who was working for the Carl Zeiss optics company. [26] [27] [28] These coatings remained a German military secret for several years, until the Allies discovered the secret at the end of World War II.