I returned the Albinar today and got a Quantaray P-K/A lens today. This time I asked the clerk to mount it onto a k20d they had on display. It worked fine. And just as I suspected, the Albinar wouldn't.
The only problem with the Quantaray on my K-7 is when I have it mounted, it acts like the maximum aperture at all focal lengths is f/5.6, which is incorrect. It is an f/4-5.6 lens. How can I get it to go to f/4? Also, where do I set SR to: 70mm or 200mm or somewhere in-between?
Otherwise, it seems like a great lens. I will love having it when I go to the zoo or take portraits. It's great to have 210mm.
Thanks!
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