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Discussion in 'Adapted Lens Sample Image Showcase' started by dbuckle, Sep 14, 2010.
I have one : don't like mine.
I wonder what is different between our two.
There were a few different models of this lens over the years. Mine is the P. There was a good discussion on the Pentax forum. The XR Rikenon 50mm f2 sharpest 35mm lens claim - PentaxForums.com
Ha! It turns out mine isn't a Rikenon at all ... I was mstaken.
It is a 55mm F2.2 Riconar and all my other SLR 50mm lenses are better wide-open and wideish-open. I got it on a Ricoh KR-5 with some other stuff I actually wanted.
I'll play - here is the Rikenon-P, focus on the eyes:
Not an ideal comparison due to staggered alignment -- but here's the 50 f/2 compared to the 50/1.7 Rikenon and 50/1.4 MC Rokkor. The f/2 is a bit taller than the :43: adaptor, but not much! Having owned the Pentax-M 40mm lens I cannot call this a pancake, but it is mighty compact.
Chianti by dbuckle2695, on Flickr
Recently I received Rikoh Rikenon 50/2 with pentax PK mount and corresponding adapter that costed me around $60 incl. delivery to Moscow for the set.
Yesterday I gave them a try on my Olympus OMD EM5 and found that the lens is quite sharp and easy to focus using magnification.
January Thaw by dbuckle2695, on Flickr
I'm newbie in here, may i have a question ?
I just bought the lens like you , what kind of mount do they use for my pentax pen e-pm2
Mine is a M42 mount so you need a M42 to mico 43 adapter.