Re: Yashica FX2 - Button below lens mount

[Cees de Groot <cg@pobox.com>]

Schmid@kwic.com said:
> I was wondering if anyone could tell me what that button on the lower 
> right side  is used for.  I know it moves the iris ( I think). 

This is called the Depth-of-Field Preview. What happens is that indeed the 
diafragm closes down (to where it would be closed down during shutter 
release), which gives you an impression of the actual depth of field, which 
(as you probably know) varies with the size of the diafragm.



-- 
Cees de Groot               http://pobox.com/~cg         <cg@pobox.com>
Principal Consultant
OpenLink Software     http://www.openlinksw.com/    <cg@openlink.co.uk>