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02-02-2017, 08:01 AM - 1 Like   #1
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Got a DFA28-105 !

I already have the DFA 24-70, but while the lens is fairly good and f2.8, there were a couple of issues issues with this lens:
1) Filter thread size, I'd need to buy a new set of ND and ND grad filters because I couldn't use my comprehensive set of filters acquired for landscape for use with the Tamy 17-50 f2.8 (67mm) and Pentax 17-70 f4 (also 67mm).
2) Size/weight for casual shooting when traveling / walk around
3) For landscape, walkaround, I never use the DFA24-70 below f5.6

Saw some reviews on PF about the sharpness of the DFA28-105, some people claiming that the 28-105 is as sharp as the 24-70, but I was still skeptical.
Passed by the shop to try it out... gosh, this DFA28-105 is tiny, even smaller than my older DA17-70.

So, I decided to give it a try, purchased the DFA28-105 ! Nice surprise: very small, silent and fairly quick AF, and, it is as sharp and the bigger brother (at least the copy I have).
That 28-105 gives me about the same range on K1 as my beloved 17-70 SDM that ended up with AF issues at infinity.

Good choice from Ricoh imaging; the DFA28-105 is a lot smaller than the Canon 24-105 or Nikon 24-120.

02-02-2017, 08:12 AM   #2
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Congratulations

I find a full-frame body and 24-70 f/2.8 lens to be a lovely combination, but lugging that kind of setup around all afternoon can take the pleasure out of things. It's great to have a lighter, if slightly slower lens with a wide focal length range for general photography - especially if you don't need f/2.8 all that often...
02-02-2017, 08:27 AM   #3
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I complained about the range of this lens incessantly, but now it only comes off the camera for the 50 macro, or DA*60-250. It's much better than I anticipated.
02-02-2017, 08:32 AM - 1 Like   #4
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The nice thing now I can fit the K1 and 28-105 in the same small bag I used for the K3 +17-50 when traveling.

02-02-2017, 08:32 AM   #5
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Congrats on the new 28-105. It is a great lens when you don't need f2.8. I've written elsewhere that the K-1 with 28-105 feels smaller and lighter than my K-5 plus 16-50, and yields much sharper images even when zoomed 1:1.

My only complaint about the 28-105 is that it doesn't go a little wider. I would have preferred 24mm wide because many of my photos are in the tight urban canyons of NYC. No lens can do all things for all people, though.
02-02-2017, 08:35 AM - 1 Like   #6
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QuoteOriginally posted by DeadJohn Quote
Congrats on the new 28-105. It is a great lens when you don't need f2.8. I've written elsewhere that the K-1 with 28-105 feels smaller and lighter than my K-5 plus 16-50, and yields much sharper images even when zoomed 1:1.

My only complaint about the 28-105 is that it doesn't go a little wider. I would have preferred 24mm wide because many of my photos are in the tight urban canyons of NYC. No lens can do all things for all people, though.
Too bad Pentax won't redo the 20-35.
02-02-2017, 08:44 AM   #7
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QuoteOriginally posted by DeadJohn Quote
My only complaint about the 28-105 is that it doesn't go a little wider.
Yes. I guess the 4mm difference (versus 24mm) saves on the size on the front element and weight of the lens.

---------- Post added 02-02-17 at 16:46 ----------

One could still carry a small manual focus wide prime in the pocket for wide shots.
02-02-2017, 08:50 AM   #8
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I love my D FA28-105mm ! It stays on the K7 a lot now .... of course I still need the 18-55 and 14mm optics as well, but on my future full frame Pentax (sometime!) it will likely do great service. Its a beautifully built and designed lens and I love the DC focussing.Also the quick shift with the new focus ring position is very good I find.

02-02-2017, 09:24 AM   #9
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When I ordered my 28-105 from B&H as part of a discounted package with my K-1, I did so almost as an afterthought. Best afterthought I ever had, since the lens is a slick operator and is - indeed - remarkably sharp. I'm anxious to try it on my K-3; the K-3 coupled with the 28-105 and my DA15 or DA21 would make a compact and versatile package that could end up as my go-to kit.

Jer

Last edited by Sailor; 02-02-2017 at 09:41 AM.
02-02-2017, 09:44 AM   #10
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QuoteOriginally posted by biz-engineer Quote
Yes. I guess the 4mm difference (versus 24mm) saves on the size on the front element and weight of the lens.

---------- Post added 02-02-17 at 16:46 ----------

One could still carry a small manual focus wide prime in the pocket for wide shots.


That is exactly what I do - 28-105 on the camera and my 24mm f2.8 fits nicely in the pocket!
02-02-2017, 09:46 AM   #11
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I just bought K-1 and had to choose between 24-70 and 28-105. It was after all very easy. 28-105 is amazing and compact lens with good range. Of course I would like to have 24 in wider end like everybody, but that is only minus. Otherwise this is amazing lens! For me K-1 with 24-70 is way too heavy to carry around all day.
02-02-2017, 10:14 AM   #12
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I agree with everyone's comments above. Pentax scored a home run with this lens, IMO. If I need wider, I can use my Konica 24 /2.8 or Pentax 20/4.
02-02-2017, 11:16 AM   #13
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The thing that also helped was that the DOF and bokeh matched what I would have expected from an 17-70 f/2.8 lens on the APS-C system.
02-02-2017, 12:36 PM   #14
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Im def going to be getting one for my upcoming trip to Hawaii...i currently don't have a WR lens to pair with my K-1. I am thinking this, plus my 21mm and 77mm is all I will need
02-02-2017, 01:40 PM   #15
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QuoteOriginally posted by cali92rs Quote
Im def going to be getting one for my upcoming trip to Hawaii...i currently don't have a WR lens to pair with my K-1. I am thinking this, plus my 21mm and 77mm is all I will need
I got one when I purchased my K1. Very good performer.

Last edited by gaweidert; 02-02-2017 at 05:26 PM.
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