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08-05-2011, 04:39 PM   #1
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kiron 28mm f/2

I actually have this lens now because it was included in an Ebay auction I won. I was really only interested in a Pentax-M 50 f/1.4 which was attached to a ME Super. The Kiron wasn't even described in any way. Not even the name. I didn't know what it was.
Anyway - after reading about it (now that I know what the mystery lens actually is) all I can think is "Man- what a bonus"! I can't wait to try it out on my k10d.

08-05-2011, 05:12 PM   #2
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I can think of no negatives to this lens. I've enjoyed mine a lot. It's interesting because it's my only one with a 55mm dia filter size which works well with my old Minolta stuff. Pentax almost never (that I recall) uses this filter size. You have a keeper there.
08-05-2011, 05:17 PM   #3
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I have the Kiron 28/2.5 and the Komine 28/2 CFWA and they're both superlative. A Kiron 28/2 would really fill my bill! Yes, you done good.
08-05-2011, 07:22 PM   #4
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I recently got the Komine version (dressed up as a Vivitar) & itīs superb. My M 28/2.8 is being sold as the Vivitar is far superior (I was surprised to find).

08-05-2011, 07:35 PM   #5
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It's cool a lens. I do have one negative though. Aperture blades really prone to oil build up. I have not seen too many that have not had some degree of oil on the blades. I would be willing to wager you will need to clean it or get it cleaned.
08-06-2011, 09:54 AM   #6
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I noticed 2 tiny spots of oil on the blades, other than that it is pretty darn clean. So far I am impressed with the image quality of this lens.
08-06-2011, 05:37 PM   #7
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QuoteOriginally posted by 1r0nh31d3 Quote
It's cool a lens. I do have one negative though. Aperture blades really prone to oil build up. I have not seen too many that have not had some degree of oil on the blades. I would be willing to wager you will need to clean it or get it cleaned.
+1

08-06-2011, 07:00 PM   #8
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It's also worth finding a hood for it. Something about 1" deep is OK; that's what I use now. I've been meaning to experiment with something deeper.

08-06-2011, 07:13 PM   #9
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I have both a 24 and 28mm kiron F2 lens. Be aware of the oil on the blades, these lenses are well known for sticking apertures.

Both mine were so stuck they did not move at all when I got them, which may explain the total cash outlay for the two of an incredible $5

The other factor in the price is one was a nikon mount the other a minolta.

Both got converted to manual aperture K mounts by using a flanged M42 adaptor.
08-06-2011, 07:59 PM   #10
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I've had two of the Vivitar-Kiron 24/2 in PKM mount. Neither had oily blades. They each cost rather more than US$5. (One was trashed; the other is with me almost always.)

I count Komine, Kiron, and Tomioka primes as among my best lenses. And except for the 24/2's, they all cost me very little. I've some great M42 Kiron (and Tokina) zooms too.

[/me fondles this fine legacy glass, remembers ye goode olde days]
06-28-2013, 10:48 PM   #11
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Any guesses as to how much it would cost to get this lens serviced? Today I saw the lens at a Thrift Shop, but left it there because the blades were sticking. It might have also had a spot of fungus on it.
06-29-2013, 07:36 AM   #12
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QuoteOriginally posted by 1r0nh31d3 Quote
It's cool a lens. I do have one negative though. Aperture blades really prone to oil build up. I have not seen too many that have not had some degree of oil on the blades. I would be willing to wager you will need to clean it or get it cleaned.
QuoteOriginally posted by Barron Quote
I noticed 2 tiny spots of oil on the blades, other than that it is pretty darn clean. So far I am impressed with the image quality of this lens.
I have both the 28/2 and 24/2 from kiron. Total cost for both lenses was $10 because both had stuck apertures due to oil. It is a common problem with kiron lenses of that era. Optically they are great lenses and given the speed, a bargin
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