Csacwp Posted July 3, 2017 Share #1 Posted July 3, 2017 (edited) Advertisement (gone after registration) At f2, the aperture blades of my 50 APO do not fully retract into the barrel. There is still a bit of them showing when you look into the lens. Is this normal for this lens? Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Edited July 3, 2017 by Csacwp 1 Quote Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/274064-question-for-50-apo-owners/?do=findComment&comment=3307909'>More sharing options...
Advertisement Posted July 3, 2017 Posted July 3, 2017 Hi Csacwp, Take a look here Question for 50 APO Owners. I'm sure you'll find what you were looking for!
Alistairm Posted July 3, 2017 Share #2 Posted July 3, 2017 Mate - the blades look fully retracted. What you can see there is the housing for them. I think it's just the angle of the shot you've taken. Take one from straight down the barrel and I think it'll look fully recessed. Quote Link to post Share on other sites More sharing options...
Jared Posted July 3, 2017 Share #3 Posted July 3, 2017 What you are seeing is normal. 1 Quote Link to post Share on other sites More sharing options...
Csacwp Posted July 4, 2017 Author Share #4 Posted July 4, 2017 I've tried to take another picture. The blades are not retracting fully into their housing. They still stick out a little at f2. Could be normal, but might not be. Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Quote Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/274064-question-for-50-apo-owners/?do=findComment&comment=3308005'>More sharing options...
jdlaing Posted July 4, 2017 Share #5 Posted July 4, 2017 It's normal. Quote Link to post Share on other sites More sharing options...
Exodies Posted July 4, 2017 Share #6 Posted July 4, 2017 Mine is like that too. When fully open there is a tiny scalloped edge to the hole. Quote Link to post Share on other sites More sharing options...
Jollicoe Posted July 4, 2017 Share #7 Posted July 4, 2017 Advertisement (gone after registration) looks like my version aswell Quote Link to post Share on other sites More sharing options...
Guest )-( Posted July 4, 2017 Share #8 Posted July 4, 2017 How do you like the lens on your M4? Quote Link to post Share on other sites More sharing options...
Csacwp Posted July 4, 2017 Author Share #9 Posted July 4, 2017 How do you like the lens on your M4? I just mounted the lens so I don't know yet. I've seen a few film photos taken with the APO on Ilford HP5 and they looked good to me. Quote Link to post Share on other sites More sharing options...
Jon Warwick Posted July 4, 2017 Share #10 Posted July 4, 2017 I just mounted the lens so I don't know yet. I've seen a few film photos taken with the APO on Ilford HP5 and they looked good to me. I've seen some Imacon scanned files using Adox 20 with the APO, and it looked the best image quality I've ever seen from any M camera. Quote Link to post Share on other sites More sharing options...
Jared Posted July 5, 2017 Share #11 Posted July 5, 2017 I've tried to take another picture. The blades are not retracting fully into their housing. They still stick out a little at f2. Could be normal, but might not be. While they are still visible from the front of the lens, they are fully out of the field of view of the imaging chip/film. Specular highlights will still show as round at f/2, so the blades are not intruding into the field of view. Otherwise you'd get diffraction spikes. - Jared Quote Link to post Share on other sites More sharing options...
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