How to date Hasselblad products not showing a serial number

Seial hasselblad 1600

How to find out when your Hasselblad was made by Q.G. de Bakker All Hasselblad cameras and film magazines, as well as some other Hasselblad items, bear a two or three letter code in front of, or incorporated into, the serial number. Two of these letters are used to encrypt the year of manufacture. The […]

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 – […]

Information on the Sigma Y-S mount system

sigma YS system

YS AUTOMATIC CUSTOM CAMERA FITTING FOR USE WITH YS INTERCHANGEABLE AUTOMATIC LENSES Attached find a manual for YS lens adapters (one of the less common interchangeable lens mount systems which is basically a T mount with a Pentax screw mount like stop down pin added).  This interchangeable mount system was developed by Sigma as competition to the […]

Canon Flash: Speedlite compatibility EZ vs. EX

Canon Speedlite 200E

When the first camera with evaluative autoflash metering was launched, EX-series Speedlites were introduced to make use of the E-TTL metering. These EX-series Speedlites are also compatible with TTL flash metering, so will operate with all EOS models. All the new film cameras offering E-TTL metering retain the flash sensors for A-TTL metering, so are […]