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12-07-2016, 10:19 AM   #1
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24-90 or new 28-105 on K1

24-90 is about $160 used and 28-105WR is about $400 used.
I already have Sigma 17-35 for UWA (which I don't use much), FA31 and DA70.
Looking for a zoom lens as a general walk-around for snapshots.
Anybody have experience with both lens?

Don't care about WR... In California....

12-07-2016, 10:34 AM   #2
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Silent focus is another plus, and the SP coatings. I have a compact sigma 28-80 with 1:2 close focus but the 28-105 still appeals.
12-07-2016, 11:52 AM   #3
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Curious what 24-90 you're looking at.
12-07-2016, 11:58 AM   #4
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QuoteOriginally posted by pres589 Quote
Curious what 24-90 you're looking at.
Around here, this one:

SMC Pentax-FA 24-90mm F3.5-4.5 AL [IF] Reviews - FA Zoom Lenses - Pentax Lens Reviews & Lens Database

You'd be lucky to pay $160 for the other one:

Leica Vario-Elmarit-SL 24-90mm f/2.8-4 ASPH. Lens 11176 B&H

12-07-2016, 12:02 PM   #5
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I wouldn't hesitate to reach for the 28-105mm. It's built better, focuses faster, and has better IQ all around (plus you get access to lens corrections). You'll lose a bit at the wide end, but I think it's well worth the more expensive price tag.

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12-07-2016, 12:36 PM   #6
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No question in my mind. It's the 28-105. The SMC FA 24-90 was not a quality lens. The one I had the lens barrel wobbled and the images were soft.
12-07-2016, 03:36 PM   #7
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I have new copies of both lenses. The Pentax 24-90 is a good, solid lens optically. Very plastic build, however. But the new DFA 28-105 is sharper in the corners and built better, and is a little heavier. The Pentax 28-105 DFA is one of the best Pentax zoom lenses I have ever tested, and well worth it's price. Just awesome. I prefer it to the DFA 24-70 due to it's smaller size and weight.
12-07-2016, 08:52 PM   #8
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QuoteOriginally posted by rdj92807 Quote
I have new copies of both lenses. The Pentax 24-90 is a good, solid lens optically. Very plastic build, however. But the new DFA 28-105 is sharper in the corners and built better, and is a little heavier. The Pentax 28-105 DFA is one of the best Pentax zoom lenses I have ever tested, and well worth it's price. Just awesome. I prefer it to the DFA 24-70 due to it's smaller size and weight.
Is it possible to post some original of both lens? That will really help the community. Especially 30-80 range.

12-07-2016, 08:53 PM - 2 Likes   #9
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QuoteOriginally posted by rdj92807 Quote
Pentax 28-105 DFA is one of the best Pentax zoom lenses I have ever tested, and well worth it's price. Just awesome. I prefer it to the DFA 24-70 due to it's smaller size and weight.
Which is exactly the reason why I'm going to buy the 28-105.
12-07-2016, 11:46 PM   #10
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I just reviewed the 28-105 on the PF user lens reviews page, and included a number of photos I've taken with it on the K-1. You can see it delivers really crisp images. For the price it's a no-brainer.

Last edited by Paul the Sunman; 12-08-2016 at 02:28 AM.
12-08-2016, 01:21 AM   #11
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I think Your choice is already made....The DFA 28-105 is very good. Expect to be surprised when You get it.
12-08-2016, 05:41 AM   #12
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I sold my 24~90 to buy the 28~105. As they go my 24~90 was mechanically good - none of the customary barrel wobble - and sharp between about 35 and 70. For what was a consumer kit zoom it was really good at the time, and of course perfect for use with an MZ-S, but the 28~105 is just better in every way, as others have said above. For what is supposed to be the consumer kit zoom the 28~105 really good!

FWIW, in its EX+ condition, I paid $275 for my 24~90 in 2013 and sold it for $240 last summer. $160 might reflect condition issues and not the market clearing price.
12-08-2016, 05:54 AM   #13
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As I posted in another thread I started, the 28-105 is my most pleasant lens surprise in a long time. It's IQ is above what I expected, and it makes th K1 a very handy and versatile tool. The wide angle at FF is usually superior to 18mm on a crop walk around, and there are enough spare megapixels on the K1 and there is enough quality in the lens to extend the reach of the long end by cropping.

Last edited by GeneV; 12-08-2016 at 06:02 AM.
12-08-2016, 07:15 PM   #14
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28-105mm D FA

QuoteOriginally posted by rdj92807 Quote
I have new copies of both lenses. The Pentax 24-90 is a good, solid lens optically. Very plastic build, however. But the new DFA 28-105 is sharper in the corners and built better, and is a little heavier. The Pentax 28-105 DFA is one of the best Pentax zoom lenses I have ever tested, and well worth it's price. Just awesome. I prefer it to the DFA 24-70 due to it's smaller size and weight.

Absolutely agree, I have found the same, makes a really "Handy" package on the K-1. The 24-70 is such a lump!
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