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07-25-2008, 07:00 AM   #1
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Rikenon 18mm/2.8? (Or other wide prime)

I'm in the market for a super-wide prime that I can use both on my film and digital K-mount cameras--specifically, a Super ME and K20D. I've been watching a Pentax-A 20mm on eBay, but am also wondering about this Rikenon, which seems to be fairly affordable as well...does anyone have an opinion of it, or recommendations for another really good wide prime?

Thanks!

07-25-2008, 07:05 AM   #2
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sigma 12-24
07-25-2008, 07:09 AM   #3
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QuoteOriginally posted by Gooshin Quote
sigma 12-24
Actually, I own the Sigma 10-20, and despite the online gnashing of teeth about its image quality, I think it's terrific. I really was hoping to supplement it with a prime, though...
07-25-2008, 07:48 AM   #4
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QuoteOriginally posted by mabelsound Quote
Actually, I own the Sigma 10-20, and despite the online gnashing of teeth about its image quality, I think it's terrific. I really was hoping to supplement it with a prime, though...
i own a 10-20 as well, and enjoy it greatly, but used on a FF or Film camera it vignettes

the sigma 12-24 apeerantly does not, and can be used on a FF camera even at 12mm, where as the 10-20 sigma cant be used lower than 15ish

07-26-2008, 08:46 AM   #5
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I own the FA 20mm F2.8 and like it muchly. IMHO, It's not quite as brutally sharp as the FA ltd's (tho you could starve on the difference) but it is very very er....smooth, I'd have to say. Plenty contrasty, excellent color rendition, and very easy to focus manually. I'd post some shots, but I am at work and don't have access to them. It's fast becoming one of my favorite primes. It takes a 67mm filter, but the lens is actually a lot smaller than that spec would indicate. It also takes a normal rubber hood w/o vignetting.
If you want to go a bit longer and faster I can also recommend the Sigma 24 F1.8. Much cheaper (and waayyyyyy easier to find) than the Pentax FA 24* F2.0.

NaCl(hope that helps)H2O
07-26-2008, 08:50 AM   #6
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It does indeed, thanks!
07-26-2008, 08:58 AM   #7
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I have both the lenses... Use the A20 more, just due to its ease of use (and it's pleasing images), that said, the Rikenon is not much bigger and is a little wider. They are both good lenses. If you wait a couple of days, I could post some examples (don't have the rikenon with me at the moment).
07-26-2008, 03:19 PM   #8
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Go for sigma 10-20, much better than sigma 12-24

07-26-2008, 03:47 PM   #9
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If you are looking for a cheap, manual focus prime usable on both digital and film, have a look at Tokina 17/3.5.

If you are looking for a zoom, then have a look FAJ 18-35 (quite cheap, no aperture ring though) or Sigma 12-24 (quite expensive).

cheers
Kenny
07-26-2008, 04:34 PM   #10
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Though I have never owned anything so exotic, all of the Rikenon lenses I have used have been excellent.

Chris
07-27-2008, 02:41 PM   #11
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QuoteOriginally posted by NaClH2O Quote
I own the FA 20mm F2.8 and like it muchly. IMHO, It's not quite as brutally sharp as the FA ltd's (tho you could starve on the difference) but it is very very er....smooth,

NaCl(hope that helps)H2O
That is definitely true. Macroscopicly unsharp in fact. I also noted that it was fringeing quite bad 1 year ago. You found that too?
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