09-02-2015 05:06 PM
was trying to stoot with the 100-300 mm 5.6 lens in manual mode. it would not stop down. tried another lens, and it worked normanlly. i\s there any way to test the lens. i realy don't think it was me or the camera. thanx!
09-03-2015 11:34 PM - edited 09-03-2015 11:37 PM
canon F1N (new) with AE viewfinder. I think the problem is stuck aperture blades. the disassembly vids on youtube look doable. and even if I screw it up, I can buy another lens for under $50.