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04-20-2013, 12:13 PM   #1
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Which Limited to get?

SMC Pentax-DA 15mm F4 ED AL Limited or SMC Pentax-DA 21mm F3.2 Limited

Already owning the 40mm F/2.8 Limited and the 70mm F/2.4 Limited, funds are allowing one wider offering. Looking at the 15 F/4 and the 21 F/3.2....costs are ballpark similar, naturally, slightly different FL. Thoughts on which to get, having to choose? All purpose, indoor shots where the 40 doesnt suffice, landscape and travel photography. Anybody have both that can chime in?

04-20-2013, 12:22 PM   #2
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You can go to the lens sample pages and see what the lenses can produce. Choose the one that has images similar to what you want.

It's really the focal length question that only you can answer.

The 21 is very small, but I would go with the 15.
04-20-2013, 12:39 PM   #3
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I had the 40 & 70 and went with the 15. Nice trio. Good luck with your decision.
04-20-2013, 01:45 PM   #4
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I've gone the route of 43->77->soon to be 21.

I'm doing the 21 mainly due to focal length, 15 is just too wide for what I want (a street, walk around lens wider than 43... 24-28 would be ideal). Plus I love the colour rendition of the 21.

It seems like a nice, small little package

04-20-2013, 03:13 PM   #5
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QuoteOriginally posted by rrwilliams64 Quote
SMC Pentax-DA 15mm F4 ED AL Limited or SMC Pentax-DA 21mm F3.2 Limited

Already owning the 40mm F/2.8 Limited and the 70mm F/2.4 Limited, funds are allowing one wider offering. Looking at the 15 F/4 and the 21 F/3.2....costs are ballpark similar, naturally, slightly different FL. Thoughts on which to get, having to choose? All purpose, indoor shots where the 40 doesnt suffice, landscape and travel photography. Anybody have both that can chime in?
I can vouch for the 15mm. It's a fantastic lens!

Adam
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04-20-2013, 03:39 PM   #6
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Check this review DxOMark - SMC DA 21mm F3.2 ED AL Limited

"the 21mm stays ahead of the 15mm in nearly every respect except for chromatic aberrations."

It is strange that 21Ltd is so depreciated compared to 15Ltd, even though it is a better performer.
04-20-2013, 03:45 PM   #7
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QuoteOriginally posted by rrwilliams64 Quote
Which Limited to get?
I didn't realise LBA gave choices, I thought it was an all only route.
04-20-2013, 04:05 PM   #8
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Get a second job for a month, and get them both.

04-20-2013, 05:15 PM   #9
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The 21 is more versatile, all purpose lens, and a bit faster, i.e. a bit more convenient for indoor shots.

On the other hand, the 15 is just amazing for landscapes and cityscapes.

Good luck with that
04-20-2013, 05:19 PM   #10
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Have you looked at the 15mm controls my mind thread.............if you look at that, you won't ask the question

https://www.pentaxforums.com/forums/lens-clubs/86234-15mm-limited-controls-my-mind-club.html
04-20-2013, 05:38 PM   #11
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QuoteOriginally posted by Apapukas Quote
Check this review DxOMark - SMC DA 21mm F3.2 ED AL Limited

"the 21mm stays ahead of the 15mm in nearly every respect except for chromatic aberrations."

It is strange that 21Ltd is so depreciated compared to 15Ltd, even though it is a better performer.
Jeez, I really don't like DxOMark!

Pentax lenses never seem to do well in their tests. Of all the prime lenses they reviewed I don't think any of them scored remotely close to "Excellent", although I haven't yet looked an any other brand lenses to see if they came close.

I don't know that much about gear (yet) to know if those numbers mean anything in the real world. I have seen some excellent pictures taken with those lenses.

For example, they say this about the DA15mm:
QuoteOriginally posted by DxOMark:
...While its control of distortion is remarkable, its resolution is a bit weak, which is a shame, since it means that photographers will not be able to take full advantage of the Pentax K5ís 16Mpix sensor...

That is fairly disheartening because the lens was made for digital bodies, right? Why wouldn't the lens be able to take advantage of the capabilities of it?
04-20-2013, 06:14 PM   #12
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QuoteOriginally posted by chuckn246 Quote
That is fairly disheartening because the lens was made for digital bodies, right? Why wouldn't the lens be able to take advantage of the capabilities of it?
Complaints about the DA 15/4 are typically about corner vs. center sharpness. I haven't seen the same complaints about the DA 21/3.2. Never used either lens. In the real world, it is kind of rare to find a shot at 15mm where the corners are anywhere near the same distance away that the center is.
04-20-2013, 09:27 PM   #13
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QuoteOriginally posted by Just1MoreDave Quote
In the real world, it is kind of rare to find a shot at 15mm where the corners are anywhere near the same distance away that the center is.
The Samyang 14mm is such a rara avis, consistent corner to corner.
04-20-2013, 11:25 PM   #14
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I went 40, 70 and recently 15. Three beautiful lenses. The 15mm controls my mind thread had a lot oto do with this
04-20-2013, 11:36 PM   #15
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I had been in the same situation before, 21 or 15, or 20...
back then I in fact want FA20 more than the DA limited, but I couldn't justify its second-hand price in the market.
anyway I end up get the 15 from a forum member. I am not regress at all. it is a stellar lens.

Last edited by pakinjapan; 04-20-2013 at 11:41 PM.
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