renata gutierrez

Copy! Thank you very much, this has been very helpful !

Hello!

I would like to know which is the main difference between master prime lens and high speed lens?

thanks!

Hello! Does anyone know if you should over or sub expose when you want a 50% silver retain process in the film.... trying just to have a good quality of the image with contrast, etc... in this case: ISO 500T vission 3?

Thank´s!