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12-19-2012, 05:29 PM   #1
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sell Tamron 28-75 for a Da* 16-50mm?

I just recently purchased my pentax 50-135, and man, this lens is amazing. I have 2 options on purchasing a new lens; I can sell my Tamron 28-75 to purchase a Pentax 16-50mm, or I could keep the tamron and buy a samyang 35mm f/1.4 OR a sigma 30mm 1.4.... Which do you guys think is a better idea? I primarily shoot portraits, but I am getting back into landscapes as well. Thanks in advance!

12-19-2012, 05:42 PM   #2
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Pick up the DA* 16-50 man, you know you want it!
12-19-2012, 06:01 PM   #3
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Various thoughts:

Selling the 28-75 will get you perhaps 1/2 of what you need for the 16-50.
The 30 is (or at least recently was) less than 1/2 price of the yet-to-appear 35.
30 and 35 fall within the 28-75 range.
30 or 35 is not really your classic portrait or landscape length. (Yes, I know you can do either with them).

So, either you want a more-expensive prime in a range you have, or you want a wider zoom than what you have.

I would go wider, though perhaps not the 16-50.

Last edited by SpecialK; 12-19-2012 at 09:26 PM.
12-19-2012, 06:08 PM   #4
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12-24 f/4 or 15 Limited.

12-19-2012, 07:18 PM   #5
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What is wrong with the 28-75? I have had some great portraits with that. Save for a wide angle, and you will be happy. That Tamron is no slouch. When I had it, it barely left my camera...
12-19-2012, 07:58 PM   #6
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QuoteOriginally posted by subidoc Quote
What is wrong with the 28-75? I have had some great portraits with that. Save for a wide angle, and you will be happy. That Tamron is no slouch. When I had it, it barely left my camera...
Nothing is really wrong with it, it just in my opinion, is not long enough and at the same time not short enough. If you're shooting in APS-C that is.
12-19-2012, 08:03 PM   #7
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28-75 is plenty long enough for portraits but it is clearly not a landscape lens. On a FF camera, perhaps, but not on APS-C.
I'd keep the 28-75 and add the 16-50 for more specific wide angle work. Or just get a DA 12-24 (even wider).
12-19-2012, 09:28 PM   #8
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QuoteOriginally posted by Ash Quote
I'd keep the 28-75......get a DA 12-24 (even wider).
That's what I'd do, though the 12-24 was not in his maybes :-)

12-19-2012, 09:42 PM   #9
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If cost is an issue, there is also the option of a Tamron 17-50 (if WR is not needed) and a fast portrait prime like a DA 50/1.8 or 35/2.4
12-20-2012, 04:56 AM   #10
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I'm not a big fan of the 28-75 focal range on APS-C, particularly since you have the 50-75 range covered very nicely with you 50-135. A 16 (or 17)-50 lens is a great fit for APS-C. You should probably look at the review on the Pentax forum that compares the Sigma, Tamron and Pentax offerings in this range. The 16-50 pros are that it is weather sealed, has silent focusing, great colors. Its negatives are that it is prone to flare, has SDM (prone to failure in this lens in particular), has quite a bit of distortion at the wide end.

I own the 16-50 and it is my go-to walk around lens and one of my most used landscape lenses. In my opinion, it is worth purchasing, but the Sigma 17-50 f2.8 and Tamron 17-50 f2.8 are excellent options as well, if you don't need weather sealing.
12-21-2012, 07:16 PM   #11
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I was in a similar position to you after I bought my Sigma 50-150mm f/2.8. I thought about selling the 28-75mm to get a more standard zoom, but it's just such a great lens that I couldn't bear to part with it. It's sharp edge-to-edge, it's got great contrast and bokeh, and I really like the focal length since you can zoom out to get a group of people, or zoom in for a nice candid portrait. It's also the only lens I use in my home-studio.

I ended up keeping the 28-75mm, and instead of adding a standard zoom, and I went with an ultra-wide zoom (Sigma 10-20mm). I was very unsure about getting an ultra-wide zoom since I didn't know if I would use it, but I now consider it an essential piece of my kit. There are situations in which it the only lens I use, and there are times when I just put it on to get that one shot where only a wide-angel will do.

So my advise is to keep the 28-75mm, and get something really wide!
12-21-2012, 07:21 PM   #12
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QuoteOriginally posted by LeDave Quote
Nothing is really wrong with it, it just in my opinion, is not long enough and at the same time not short enough. If you're shooting in APS-C that is.
I know you're talking about the 28-75mm, but that's actually how I feel about the 17-50mm lenses. The wide angle is not really that wide, and the long end is not very long at all. That's why I much prefer the combo of an ultra wide zoom and the longer 28-75mm. A 17-50mm or 16-50mm may be a nice compromise if you can only have one lens, but if possible I would rather go with the two lenses.
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