>Does anyone know why the aperture blades are oriented differently on >different Pentax lenses? I was cleaning my M 50mm f1.4 and my FA 50mm f1.4 >and noticed this today. On the M lens the tips of the blades face forward >and the iris diaphragm appears "smooth" when viewed from the rear. The FA >lens is exactly the opposite. I hope this is an adequate description of my >observation. > >Just another stupid question.
Not a stupid question at all. I had the same questions when I repaired some of my lenses. I guess it had to do with the mechanical design. regards, Alan Chan _________________________________________________________________ Chat with friends online, try MSN Messenger: http://messenger.msn.com - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
