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12-12-2017, 06:35 PM   #16
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QuoteOriginally posted by timfrommn Quote
I'm nearing the purchase of a K-1 to augment or possibly replace my K5-IIs. I enjoy landscape/outdoor photography and do very little indoor or portrait shots. On the K5 my go favorite lens is the DA15 but I also have the DFA 100 for macros (currently the DFA 100 is my only FF lens).
I say this all depends on you as a shooter. You say you like outdoors stuff. In that case I would wait on the 31mm. I would get the 24-70. The 24mm end is currently the widest Pentax offers and so far that lens has been really good for me.

I have long been a die hard prime lens fanatic but lately I have been more moderate in my ideas about zooms vs primes.

You should be able to get a decently priced package for the grip, camera, and lens too. For a first lens for the K-1 I would recommend that zoom.

I have been itching to get my hands on a good 20mm lens. There are some interesting 3rd party ultra wide options out there but I haven't tried any of them yet.

12-12-2017, 07:02 PM   #17
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Based on an IQ / $ decision I think you made the right choice getting the 28~105. The FA31 might give a better final image some of the time, but the 28~105 is so good and the 31 so much more money that you’re better off with the zoom.
12-15-2017, 04:19 AM   #18
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I purchased the DFA28-105 to use along with the FA31, FA43, FA71 and Tamron 70-200. After a few times using it indoor and out, i did not like the images it produced. Before my vacation to DC i purchased the DFA24-70, fantastic lens, never came off the camera. The DFA28-105 sits on the shelf! Get the FA31!
12-15-2017, 07:32 AM - 1 Like   #19
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QuoteOriginally posted by kjphilippona Quote
I purchased the DFA28-105 to use along with the FA31, FA43, FA71 and Tamron 70-200. After a few times using it indoor and out, i did not like the images it produced. Before my vacation to DC i purchased the DFA24-70, fantastic lens, never came off the camera. The DFA28-105 sits on the shelf! Get the FA31!
So you have images to show us why? The problem with statements like that is we've had other users say the same thing about all three of the lenses you own except the Tamron 70-200. If one is to go by such testimony, I bet you can find a person who didn't like every lens made for Pentax. Without comparison images all we can do is guess if you got a bad copy of the lens, or you are really dependant on wide aperture lenses for the type of image you shoot. Was this a lens quality decision or a style decision? Style decisions are rarely transferable across individuals.

If it was a lens quality decision, you should be able to show us why you think that with a few choice images.


Last edited by normhead; 12-15-2017 at 07:51 AM.
12-16-2017, 10:37 AM   #20
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I would love to see some comparison shots of the 31mm and the 28-105 at 31mm. I'd bet it would be hard to see the difference. Of course if you want or need the faster f stop your decision is made for you. I have been very happy with my 28-105 but have thought about the 31. Since I am pretty satisfied with my old K35 and K28 I have decided to wait and see what the new replacement for the FA 31 will be.(if I live long enough).
12-16-2017, 07:50 PM   #21
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QuoteOriginally posted by sibyrnes Quote
I would love to see some comparison shots of the 31mm and the 28-105 at 31mm. I'd bet it would be hard to see the difference. Of course if you want or need the faster f stop your decision is made for you. I have been very happy with my 28-105 but have thought about the 31. Since I am pretty satisfied with my old K35 and K28 I have decided to wait and see what the new replacement for the FA 31 will be.(if I live long enough).
You could do it, but the 31 always wins with it's smooth bokeh, I find with the 28 if i want smooth bokeh I often resort to "blur" in post processing.
12-16-2017, 08:22 PM   #22
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QuoteOriginally posted by kjphilippona Quote
I purchased the DFA28-105 to use along with the FA31, FA43, FA71 and Tamron 70-200. After a few times using it indoor and out, i did not like the images it produced. Before my vacation to DC i purchased the DFA24-70, fantastic lens, never came off the camera. The DFA28-105 sits on the shelf! Get the FA31!
I am contemplating of getting the DFA 28-105 to go along with my FA31. The DFA 24-70 could be a better choice but don't like lugging around heavy lenses if I can avoid it specially when I travel. Any particular reason why you didn't like the images produced by that lens? Do you think that it could just be the copy you have or in general? I understand the difference between the DFA 24-70 and 28-105 besides the price.

Note: I am using the DA 20-40 ltd lens on my k-1 almost exclusively. Although there is some instances of vignetting but it is completely useful. I wish there is a DFA version of that lens.

12-17-2017, 06:23 AM - 1 Like   #23
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Sorry i don't post pictures on this forum any more, too much sarcasm! Both lenses are good but for me the D FA24-70 adds that magical look that i was looking for out of my new K1. i carried it around on my last vacation and with it attached to my K1, it is heavy but I'm overjoyed with the picture it took, so well worth it. The DA20-40 is one Pentax lens i have not purchased and regret that. I loved the DA*50-135 that i gave to my daughter I'm old and divorced so i have to answer to no one, purchase what ever your budget allows!
12-17-2017, 08:48 AM - 1 Like   #24
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I am in the same boat as you, getting either a K-1 or the lenses that are good enough to really use it, but couldn't afford both.

Lenses last and a body without lenses is fairly well useless, so I made the choice to put off the K-1 until its on a better sale by itself when the replacement comes out (probably in a year or so) and buy the DFA24-70 F2.8 since I know that focal range from the film days almost never came off my camera except to switch to the long zoom. I can use that lens on my current K5 until the body switch happens, but most of my current lens pile would be somewhat sub par when used full frame on the K-1.

The quality and speed of that lens are enough to make the FA31 unnecessary unless you are very good and taking certain specific sorts of shots. Zooms aren't what they were back in the day, a high end fast zoom is all the quality you need for 90% of pictures.
I don't even notice the weight of fast heavy glass even after a full day of trekking around, though some more delicate shooters do complain about the weight as a negative.

In the end I bought the DFA24-70 F2.8 first (just now actually) because at this moment its $300 off and unless it breaks I won't ever need to replace it or look for for something better.
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