how to test a lens
Posted 17 May 2010 - 01:08 AM
This is usually a job for a skilled technician. There are two aspects to test a lens, physical issues and optical issues.Simple tests however can be carried out photographing test charts.
There are often use three pieces of equipment for optical testing of cine lenses.
Here is an example of an MTF tester used for testing PL mount lenses.
Here is an example of a lens projector used for testing PL mount lenses.
how to test a lens if it is good or bad?
Edited by Henri Titchen, 17 May 2010 - 01:09 AM.