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05-08-2012, 11:03 AM   #16
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Da 21 would be my choice also! Love it on my K-5 . Small, sharp and usually wide enough.

05-08-2012, 01:04 PM   #17
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My 21mm fits great with my K-01. It's a small package that takes great pictures. I recommend it. If you want a bit wider the 15mm seems a good option as well. Th k-01 really matches well with Pentax small primes.
05-11-2012, 08:09 AM   #18
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Thanks to everyone for the advice. It's just the kind of insight I had hoped for.

I have now concentrated my attention on the DA21 Limited. It looks like a good value option that will make a nice compact package with the K-01 body. For me flare resistance is more important than full frame coverage. Using my MZ-3, the FA35 is usually wide enough anyway.

Since Pantax has made an affordable DA35 f2.4 and will soon release a DA50 f1.8, I think they should follow up with an affordable DA24 f2.8. Right now they don't really have a cheap wide-angle prime option at all.

Also, Mickey, I enjoyed the pictures on your blog. Those are places I go to all the time. I'd guess we live on the same line.
05-11-2012, 08:20 AM   #19
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QuoteOriginally posted by JPT Quote
Thanks to everyone for the advice. It's just the kind of insight I had hoped for.

I have now concentrated my attention on the DA21 Limited. It looks like a good value option that will make a nice compact package with the K-01 body. For me flare resistance is more important than full frame coverage. Using my MZ-3, the FA35 is usually wide enough anyway.

Since Pantax has made an affordable DA35 f2.4 and will soon release a DA50 f1.8, I think they should follow up with an affordable DA24 f2.8. Right now they don't really have a cheap wide-angle prime option at all.

Also, Mickey, I enjoyed the pictures on your blog. Those are places I go to all the time. I'd guess we live on the same line.
there has been a serious gap between 31 and 35 for ages now, I'd love to see a new 24 come out ideal FL for apsc IMO

05-11-2012, 02:35 PM   #20
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QuoteOriginally posted by eddie1960 Quote
there has been a serious gap between 31 and 35 for ages now, I'd love to see a new 24 come out ideal FL for apsc IMO
Did you mean "serious gap between 21 and 35" ?? Of course the gap is between 21 and 31, so how about a 25/1.8-XS?
05-11-2012, 02:50 PM   #21
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Yeah a ~24mm would be pretty high on my list as long as it was small. I'll cry if they can only do that in XS but I guess I'll be buying a K-01 at some point anyway if they can make lenses that are awesome yet tiny.
05-11-2012, 02:58 PM   #22
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QuoteOriginally posted by RioRico Quote
Did you mean "serious gap between 21 and 35" ?? Of course the gap is between 21 and 31, so how about a 25/1.8-XS?
yeah 31 is there but i was thinking more a sanely priced lens,
05-11-2012, 04:04 PM   #23
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The 15 or 21 will probably be next on my list. One other to consider is the Sigma 15 fisheye - a bit heavier than the DA lenses, a little faster at f/2.8 max, and full-frame ready if that's in the back of your mind. It will be a lot fishier on FF though; on the K-01 the distortion will be notable but you can work around it on many outdoor shots. When the budget says 'go' I will be watching those three lenses, seeking the best deal.

05-11-2012, 05:32 PM   #24
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QuoteOriginally posted by jimr-pdx Quote
One other to consider is the Sigma 15 fisheye - a bit heavier than the DA lenses, a little faster at f/2.8 max, and full-frame ready if that's in the back of your mind. It will be a lot fishier on FF though; on the K-01 the distortion will be notable but you can work around it on many outdoor shots.
Is the Sig15 Superior to the Zenitar-K2 16/2.8? The Zen16 is also quite fishy on FF, slightly fishy on APS, and usually sells in the US$150-$200 range new, less used.
05-11-2012, 06:02 PM   #25
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QuoteOriginally posted by RioRico Quote
Is the Sig15 Superior to the Zenitar-K2 16/2.8? The Zen16 is also quite fishy on FF, slightly fishy on APS, and usually sells in the US$150-$200 range new, less used.
Only five reviews here on the forum but it's a perfect 10. Not many lenses can claim that honor, so I'm impressed. Like you I'm a fan of fewer grams though, the DA is 100g lighter.
05-11-2012, 06:36 PM   #26
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QuoteOriginally posted by RioRico Quote
Is the Sig15 Superior to the Zenitar-K2 16/2.8? The Zen16 is also quite fishy on FF, slightly fishy on APS, and usually sells in the US$150-$200 range new, less used.
Using a 15mm or 16mm focal length fisheye lens on APS-C is really a complete waste of time imo simply because the narrower FOV negates the fisheye effect. These legacy lenses work well with 35mm film but are found wanting on APS-C sensors. That's why I sold off my pristine Sigma PKA mount 16mm MF fisheye and got the excellent Pentax DA 10-17mm fisheye.
05-11-2012, 11:36 PM   #27
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QuoteOriginally posted by creampuff Quote
Using a 15mm or 16mm focal length fisheye lens on APS-C is really a complete waste of time imo simply because the narrower FOV negates the fisheye effect. These legacy lenses work well with 35mm film but are found wanting on APS-C sensors. That's why I sold off my pristine Sigma PKA mount 16mm MF fisheye and got the excellent Pentax DA 10-17mm fisheye.
I agree that the DA10-17 is superb -- it's the lens that drove me to Pentax.

I disagree that 15-16-17mm FF fisheyes are wasted on APS dSLRs.

At 16-17mm, the DA10-17 is f/4.5. The Zen16 with the same AOV there is f/2.8. Sometimes that 1.3-stop difference really matters. Note that the Zen16 and other FEs have the AOV of wider rectilinears, which I exploit in SR or in 1/FL calculations: 16mm FE is SR-equivalent to 12mm, which gives a further ~2/3-stop advantage of a 15-16mm rectilinear.

The mildly fishy effect of FF 15-16-17mm FEs can be hidden or flaunted with proper composition, which makes the lens a dual-purpose tool. Plus it's just fun!
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