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Forum: Troubleshooting and Beginner Help 11-03-2020, 12:04 PM  
Issue with Aperture ring on A Series lens (50mm f1.7)?
Posted By RWJ3399
Replies: 12
Views: 834
Thank you for the prompt and helpful response- likewise, Fogel70.

I think herein lies the issue, I have in the past tried clicking the black button and setting the aperture to "A". When I do, the top side display of my camera shows "F- -". Whatever I press or whichever dials I turn, I'm struggling to do anything that controls the aperture. In your experience is this to be expected or should I be given an option to select my F stop?

Many thanks

---------- Post added 11-03-20 at 12:12 PM ----------


I think this is exactly it, I have (rather sheepishly) managed to suss that I can get things working in manual mode. Aperture priority seems to be off the cards for now.

To anyone who has posted and responded so helpfully can I say a big thanks- amazing to have patient and friendly replies so quickly!
Forum: Troubleshooting and Beginner Help 11-03-2020, 10:53 AM  
Issue with Aperture ring on A Series lens (50mm f1.7)?
Posted By RWJ3399
Replies: 12
Views: 834
Hi all,

Apologies if this has been asked before but I've been a bit useless at finding an answer in the forum. I've picked up a copy of an SMC Pentax-A 50mm f1.7 and I've loved the results I've gotten at such a low price, as they are. The lens seems to be in good condition and it's resulting in satisfactory shots at f1.7.

Now, I am using it on a K-5 and ensuring that I've got the "using aperture ring: permitted" menu setting enabled and I'm in aperture priority mode. My issue is that no matter what I do, the aperture seems to be fixed at f1.7. I can surmise this not only from the exif showing f1.7 at every aperture ring setting but also the very blatant depth of field and bokeh. I can see the ring moving the blades inside the lens normally when it is not mounted to the camera.

Might anyone have any suggestions on what I may be doing wrong/if this is a common (and fixable) issue?

Many thanks,
Jack
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