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05-22-2016, 01:13 PM   #1
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dfa 28-105 users

hi all
iam a prime fan but changing lenses is a pain regarding the dust and humidity in my area in summer . Iam looking for a good lens but my budjet is tight since purchasing k1 .
iam leaning to dfa 28-105 not 24-70 because of the money issue. is it good lens and can match well with k1 resolution.
thanks in advance!

05-22-2016, 02:09 PM   #3
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QuoteOriginally posted by zmohie Quote
hi all
iam a prime fan but changing lenses is a pain regarding the dust and humidity in my area in summer . Iam looking for a good lens but my budjet is tight since purchasing k1 .
iam leaning to dfa 28-105 not 24-70 because of the money issue. is it good lens and can match well with k1 resolution.
thanks in advance!
The D FA 28-105mm is hard to beat for the price IMO- and optically it's a good deal better than budget film-era zooms. I've chosen it over the 24-70mm for my walkaround needs, because it's so much lighter.

I also grabbed the 15-30mm for wide-angle shots since the 28-105mm is a bit lacking in that regard.

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05-22-2016, 02:33 PM   #4
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Thanks joerges
Thanks Adam..will do what you did dfa 28-105 soon and dfa 15-30 later. My pockets are empty!!!!

05-22-2016, 02:42 PM   #5
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I've baught it together with the K1 and I'm quite lucky about it's performance

Have a look here most of the photos are done by me, the majority are withe the 28-105, you can identify them by the _jm0 in the name

https://commons.wikimedia.org/wiki/Category:Taken_with_Pentax_K-1

and some are still waiting on my hdd for upload
05-22-2016, 03:01 PM   #6
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QuoteOriginally posted by joergens.mi Quote
I've baught it together with the K1 and I'm quite lucky about it's performance

Have a look here most of the photos are done by me, the majority are withe the 28-105, you can identify them by the _jm0 in the name

https://commons.wikimedia.org/wiki/Category:Taken_with_Pentax_K-1

and some are still waiting on my hdd for upload
Promising results.
Center sharpness is really amazing.
05-22-2016, 03:03 PM   #7
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QuoteOriginally posted by Adam Quote
The D FA 28-105mm is hard to beat for the price IMO- and optically it's a good deal better than budget film-era zooms. I've chosen it over the 24-70mm for my walkaround needs, because it's so much lighter.

I also grabbed the 15-30mm for wide-angle shots since the 28-105mm is a bit lacking in that regard.

Given its price and weight advantages over the 24-70, I also ended up buying the 28-105 as my walk round lens, and am very pleased with my purchase. Fast focus, quiet, not too heavy, nice pics, and WR. I too am a prime user when conditions permit.

Even if I do end up getting the 24-70 down the track, I can still see the 28-105 being useful for travel and full days out when the combined weight of the K-1 and 24-70 would be too much for me and/or conditions prevent non-WR lenses.
05-22-2016, 04:35 PM   #8
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I bought the 28-105 because I didn't have a WR lens for the K-1 and couldn't afford the other D FA lenses. It's a great walk around lens, relatively light weight, quiet fast focusing, and very sharp. It's a little slow at the long end at f/5.6 but faster than similar zooms at the wide end at f/3.5. Just my $0.02.

05-22-2016, 05:09 PM   #9
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QuoteOriginally posted by wtlwdwgn Quote
I bought the 28-105 because I didn't have a WR lens for the K-1 and couldn't afford the other D FA lenses. It's a great walk around lens, relatively light weight, quiet fast focusing, and very sharp. It's a little slow at the long end at f/5.6 but faster than similar zooms at the wide end at f/3.5. Just my $0.02.
The speed doesn't bother me at all. What does get a bit annoying is the dark viewfinder, since the lens vignettes more than the 18-135mm on crop. But certainly something you can grow accustomed to, I think.

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05-22-2016, 07:51 PM   #10
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I really enjoyed that review. Thanks.
05-23-2016, 04:28 AM   #11
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QuoteOriginally posted by Adam Quote
The speed doesn't bother me at all. What does get a bit annoying is the dark viewfinder, since the lens vignettes more than the 18-135mm on crop. But certainly something you can grow accustomed to, I think.
Even the da 18-135mm is not so good as some mentioned!
05-23-2016, 07:34 AM   #12
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In your case, 28-105.
05-23-2016, 07:56 AM   #13
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But the 18-135 is better than some believes and talking about it.

Very interesting is, that you can rarely get one second hand.
05-23-2016, 10:46 AM   #14
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QuoteOriginally posted by Adam Quote
The speed doesn't bother me at all. What does get a bit annoying is the dark viewfinder, since the lens vignettes more than the 18-135mm on crop. But certainly something you can grow accustomed to, I think.
Does the DFA 28-105 focus as fast as DFA 24-70 or more like DA 18-135?
05-23-2016, 02:15 PM   #15
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QuoteOriginally posted by acoufap Quote
Does the DFA 28-105 focus as fast as DFA 24-70 or more like DA 18-135?
I'd say, subjectively, that the motor in the 28-105 is faster, but this is balanced out by the fact that 0.5 to 1.5 stops less light reaches the AF sensor. The latter may therefore perform a bit worse in low light (then again you'll probably be using a different lens in that situation).

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