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08-18-2008, 07:48 PM   #1
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photo.net DA35 review

Michael Johnston and Carl Weese looooove it
An Optical Paragon - photo.net

edit: i know johnston has tested the FA31 before, too bad he didn't elaborate his thoughts about that lens compared to the DA35


Last edited by k100d; 08-18-2008 at 07:58 PM.
08-18-2008, 07:55 PM   #2
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QuoteOriginally posted by k100d Quote
Michael Johnston and Carl Weese looooove it
An Optical Paragon - photo.net
It is a very nice lens. I had one on loan for a while and loved it ... but didn't keep it since I have the DA40 and a Sigma 28mm f/1.8 and didn't need a short macro.

One thing I find funny about that review is that they mention the need for a new prime to perform like an old 85mm f/1.8 lens on film bodies ... but for digital. The upcoming DA55mm f/1.4 (82.5mm after crop factor) takes care of that.
08-18-2008, 09:21 PM   #3
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QuoteOriginally posted by JJJPhoto Quote
It is a very nice lens. I had one on loan for a while and loved it ... but didn't keep it since I have the DA40 and a Sigma 28mm f/1.8 and didn't need a short macro.

One thing I find funny about that review is that they mention the need for a new prime to perform like an old 85mm f/1.8 lens on film bodies ... but for digital. The upcoming DA55mm f/1.4 (82.5mm after crop factor) takes care of that.
Hey Triple-J,

How do you like the Sigma 28? I can't find a lot of info about it, but the focal length is right - just what I would really like. Well, a 25mm would be even better.

I already have the older Pentax FA 35 f/2 so I'm not TOO tempted to get the new 35 macro. On the other hand, I'm not overwhelmed with the FA 35. Doesn't seem to me to be any better than the mid-range of the 16-45 f/4. Maybe I'm not using it right!

Will
08-19-2008, 06:02 AM   #4
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They really like that lens (and with good reason, it seems). However, I'm wondering how much of their result is attributable to the K20D as well.

08-19-2008, 07:10 AM   #5
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QuoteOriginally posted by JJJPhoto Quote

One thing I find funny about that review is that they mention the need for a new prime to perform like an old 85mm f/1.8 lens on film bodies ... but for digital. The upcoming DA55mm f/1.4 (82.5mm after crop factor) takes care of that.
I think the unwritten part is "one as good as this one", which we all hope the DA★ 55mm will be!
08-19-2008, 05:53 PM   #6
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QuoteQuote:
Featured Comment by Mark E: "Mike, My Pentax FA 31 F1.8 Ltd is pretty freakin' sharp, too. It is, of course, huge compared to the smaller DA* lenses. Any opinion regarding its sharpness compared to the DA 35 Ltd?"

Carl replies: Mark, the 31mm is a fine lens and is an excellent performer on the Pentax K10/20D, especially considering it was originally designed for film, not digital capture. Lens performance encompasses a lot more than just sharpness (as Mike and I go on at length about in the article). Overall performance of the 31mm is excellent, while overall performance of the 35mm Macro on a K20D is literally in a league of its own.

Mike adds: My experience with the 31mm is limited (er, sorry), having used it for only a short time when I was a guest speaker at Grandfather Mountain. But I'd add to what Carl says that it is not quite an even-up comparison: the 31mm is wider (by 4mm), faster (by slightly more than a stop), and covers more (full-frame as opposed to reduced sensor size). All these factors make it subtly more difficult to design for top performance (and more useful as an all-around lens). As with the Zeiss I mentioned in the review, the 31mm is a very fine lens I'd probably have no trouble living with, but it's like a NASCAR car against an Indy racer—head to head there's no doubt which would come out on top.
some interesting addendums and argument points
-Designed for Digital Lenses are always better?
-Lenses designed for crop factors perform better on crop factor cameras?
-Is the rendering that much better than the FA31, especially based upon their review?

i'm not sure the difference is as clear as what they are saying. i am not happy they are raggin on my FA31 w/o proper comparisons

Last edited by k100d; 08-19-2008 at 06:05 PM.
08-19-2008, 06:21 PM   #7
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Between the DA 35 and the FA 50, my kit 18-55 II would be gone if it wasn't for the 18mm end. If I get a FA 20mm or DA 21 or even DA 14, its gone.

Edit: This thread should be merged into this one already going about this review: https://www.pentaxforums.com/forums/pentax-slr-lens-discussion/34987-photo-ne...tml#post321112
08-19-2008, 06:58 PM   #8
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QuoteOriginally posted by WMBP Quote
Hey Triple-J,

How do you like the Sigma 28? I can't find a lot of info about it, but the focal length is right - just what I would really like. Well, a 25mm would be even better.

I already have the older Pentax FA 35 f/2 so I'm not TOO tempted to get the new 35 macro. On the other hand, I'm not overwhelmed with the FA 35. Doesn't seem to me to be any better than the mid-range of the 16-45 f/4. Maybe I'm not using it right!

Will
I'm actually fond of all of the Sigma short f/1.8 primes (20mm, 24mm and 28mm) but the 20mm and 28mm are the only ones I have in my current kit (I decided to skip the 24mm since I don't "need" focal length the way I need 20mm and 28mm and I have a Sigma 24-70 f/2.8 if I really want 24mm).

For me, buying the 28mm f/1.8 came down to wanting something a little wider than 30mm but not wanting to sacrifice too much for either speed or image quality. I've used the Sigma 30mm f/1.4, and while it's a great lens, it's a little too soft between 1.4 and 2.8 and has more obvious barrel distortion than the 28mm does.

Here's a snapshot I recently took with the 28mm stopped down to f/4 on one of my K10D bodies.



08-19-2008, 07:13 PM   #9
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QuoteOriginally posted by JJJPhoto Quote
I'm actually fond of all of the Sigma short f/1.8 primes (20mm, 24mm and 28mm) but the 20mm and 28mm are the only ones I have in my current kit (I decided to skip the 24mm since I don't "need" focal length the way I need 20mm and 28mm and I have a Sigma 24-70 f/2.8 if I really want 24mm).

For me, buying the 28mm f/1.8 came down to wanting something a little wider than 30mm but not wanting to sacrifice too much for either speed or image quality. I've used the Sigma 30mm f/1.4, and while it's a great lens, it's a little too soft between 1.4 and 2.8 and has more obvious barrel distortion than the 28mm does.

Here's a snapshot I recently took with the 28mm stopped down to f/4 on one of my K10D bodies.
Thanks, JJJ. Nice pic - and a nice demo of the lens's qualities.

I'm looking for something in this range - 24-28mm - and would prefer not to have to spend a fortune for it. (If I just wanted to spend money, I'd get the Zeiss 25 or 28, but they cost $800+ and $1000+ respectively!) The Sigma 24 and 28 are both affordable, but unfortunately, neither seems to be in stock at any of the good vendors (Amazon, B&H, Adorama). So looks like I have to wait a bit...

Thanks for the reply.

Will
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