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Forum: Pentax SLR Lens Discussion 07-11-2019, 11:12 AM  
Difference between K mount and M42 mount 15mm/F3.5 (with aspherical element)
Posted By borneo1910
Replies: 15
Views: 849
Forgot to update. The right adapter was the key and I'm so STOKED on this lens. If I were to have another kid, I would name it STEVEBROT, 100%. Thank you.
Forum: Pentax SLR Lens Discussion 06-14-2019, 09:15 AM  
Difference between K mount and M42 mount 15mm/F3.5 (with aspherical element)
Posted By borneo1910
Replies: 15
Views: 849
You're Brillant!!!! Why didn't I think of that adapter. It's coming today. I'll let you know how it fares.

Thank you!!!

Mike
Forum: Pentax SLR Lens Discussion 06-11-2019, 09:23 PM  
Difference between K mount and M42 mount 15mm/F3.5 (with aspherical element)
Posted By borneo1910
Replies: 15
Views: 849
Thank you all for your help.

Here's a follow-up question. Is there a way to take the hood off or rotate the mount? I'm adapting the lens (via Pentax K to EOS then EOS to E) to my Sony a7iii. In this configuration, the lens hood is at a 45 deg rotation causing vignetting in the corners (Tope Left, Bottom Right).

There seem to be some slots for a spanner to remove the ring just around the lens, but it doesn't seem to want to come loose. I can't find any diagrams or videos on how to tear down the lens, which might help.

Is this even a possibility? I've seen it used in video and there was no vignetting, I'm wanting to believe that it wasn't with a sensor crop.

Let me know what you think.
Thanks

---------- Post added 06-11-19 at 09:37 PM ----------



A lot of times when newcomers post to forums with people who have been here for years, they can get aggressive or hostile if the newcomers ask questions that have already been asked or basic questions that most people know. It's not something I noticed on this forum, but something I'm aware of and don't like.
Forum: Pentax SLR Lens Discussion 06-11-2019, 04:11 PM  
Difference between K mount and M42 mount 15mm/F3.5 (with aspherical element)
Posted By borneo1910
Replies: 15
Views: 849
Is there a difference between these 2 versions of the same lens, other than mount type? the ratings on the reviews are vastly different.

thanks in advance.
PS first post. go easy on me.
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