EOS EF L series lens date codes

If we buy an L series lens from Canon, surely we will find a line of code on the back of the lens. The code is the code of the year and the place where the lens was made. Now, for buying lenses, especially the used lens .. this code can be very utilized in determining how old is from the lens. The meaning of these codes are as follows.

Test : EOS 1000D + Nikkor 105mm f/1.8

Nikkor 105mm f/1.8, manual lens with 9 aperture blades ...
and the closest focusing distance is 1 meter ... with a smooth and wonderful bokeh
Nikon mounted to the EOS body? yup ... why not
using a lens adapter of course ..


the following is the performance this old school lens on EOS body
*an object with a shiny surface is chosen, and is placed under direct sunlight, to test the level of the lens's CA (Chromatic Aberation)

bokeh comparison