Contax 645 flange distance1/7/2023 ![]() Another benefit is that they become a stop faster than the original lenses. With this process the 56mm becomes a 38mm, the 80mm becomes a 56mm and the 110mm becomes a 77mm. By incorporating a speed booster into the housing, the lenses become a wider focal length whilst still covering full-frame sensors. TLS can convert the Mamiya lenses to LPL mount with a new circular iris and built-in speed booster. So, what is TLS doing with the rehousing? Third-party adapters exist to use the lenses on Nikon F mount, Canon EF mount, and some other camera systems. Mamiya 645 lenses can be found second hand for not a lot of money. These were originally designed to work on Mamiya 645 medium format film and digital cameras They are called ‘6477 because they use the nominal 6cm x 4.5cm film size from 120 roll film. ![]() Find out more here /1GIIddD1aA- True Lens Services July 13, 2020 As a result the lens becomes a wider focal length whilst still covering full frame sensors. Originally a Mamiya 80mm rehoused to LPL mount with a change of iris & speedbooster built in. A closer look at the TLS 56mm T2.3 Mamiya lens □
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