Category Archives: HowToDoIt

How to determine the age of a Carl Zeiss lens

Werra 2 Olive + Lightmeter

Zeiss Lens Serial Numbers Between 1912 and 1942 Year of Manufacture – Serial Number Range 1912 – 173418-200520 1913-  208473-249350 1914 – 249886-252739 1915-  282820- 1916-  Unknown 1917 – 289087-298157 1918-  298115-322748 1919 – 322799-351611 1920 – 375194-419823 1921 – 433273-438361 1922 – 422899-498006 1923 – 561270-578297 1924 – 631869- 1925 – 652230-681743 1926 – […]

Meyer-Optik Gorlitz 200mm f4 made autofocus for Nikon

Isco Gottingen lens autofocus

Selling and searching on eBay I was contacted by Aleksandr Limberg, as he wanted to buy a Tamron autofocus lens from me. We started to negotiate and he told me the needed the helicoid to transform vintage lenses from the 50’s and 60’s to autofocus. I was very surprised an we started talking. He told […]

How to Make a Camera in a Home Machine Shop

How to Make a Camera in a Home Machine Shop

Photographer Lucus Landers has built one of the most impressive do-it-yourself cameras we’ve ever seen. Called the Landers AL6, it’s an all-aluminum camera that shoots medium format film. “I have recently completed my most recent camera build,” Landers tells PetaPixel. “With the exception of the lens and shutter, everything is handmade in my Brooklyn apartment.” While most […]

Almost All lensmounts ever made

lens Mount type's

List of lens mounts (courtesy of Wikipedia) Mount name Flange focal distance Frame size Throat or thread diameter Mount thread pitch Mount type Primary use Camera lines S (a.k.a. M12) No Flange. Back focal distance from <1mm to 12mm. 1/6″  to 1″ 12 mm 0.5 mm pitch Screw CCTV, PCB Edmund Optics μ-Video Samsung NX mini 6.95 mm 1″ […]