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07-13-2016, 04:31 PM   #1
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Refeshing my lens lineup - advice?

I have a few lenses I am considering selling/trading for alternatives. Any thoughts or advice on alternatives?

Pentax 12-24 f4 ED AL

At 12mm, often a little too wide. Also, at f4, too slow at times. Not a good "walk around" lens for those reasons (plus WR would be nice, but not a must)

I was thinking about a 15mm ltd combined (maybe) with a 20-40, 18-35 or Sigma 17-50. Advice on these or any other alternatives.

Use would be for city/street photography, some nature landscapes, and some astrophotography.

Pentax DA* 60-250 f/4

Great lens and output. I find it is either too short (compared to 400mm telemacro) to carry as a telephoto for wildlife or too big and heavy to use as a "walk around" lens for street shooting.

I have recently started looking at the 70-200 f2.8 lenses. Also the 18-135 looks interesting but lower IQ. considering trading reach for speed, But I think it only makes my size issue even worse. The 50-135 is also a contender.

I will be keeping the lenses below as I really enjoy those lenses and want my new lenses to be on par in the IQ department:

Pentax SMCP-DA 40 f/2.8 ED Limited Edition
Pentax D-FA 100 f/2.8 Macro WR
Sigma 400 f5.6 Telemacro

I also have a great Sigma 1.4x EX APO DG teleconverter to play with.

07-13-2016, 04:52 PM   #2
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Pentax DA* 16-50 f/2.8 sounds perfect for you. for #1, keep the 60-250
07-13-2016, 05:13 PM   #3
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Or Tamron 17-50 f/2.8, there are a couple floating around on the marketplace right now for around $250. Just check the serial number first, and see if its greymarket or not.

15mm ltd is also f/4, if that's one of your concerns with the 12-24... although I think you mean its bad at f/4 for a walkabout? Not as a landscape lens specifically - right?
07-13-2016, 05:25 PM   #4
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I'm very happy with my Sigma 17-50 as a walkaround lens. It's probably my sharpest lens and it's not too big or heavy. I'm also happy with my Pentax 60-250 but it is heavy unless I'm carrying it in a backpack. I bought a Sigma 50-150 for those times when I want to travel light and still have some tele reach. It matches up very nicely with the 17-50 to provide a 17-150 combo without very much weight and capable of some high quality shots. And have you tried the 60-250 with the teleconverter? I believe my 60-250 works with my Tamron 1.4 teleconverter to reach to 350.

07-13-2016, 05:52 PM   #5
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QuoteOriginally posted by Greinerstudio Quote
I have a few lenses I am considering selling/trading for alternatives. Any thoughts or advice on alternatives?

Pentax 12-24 f4 ED AL
At 12mm, often a little too wide. Also, at f4, too slow at times. Not a good "walk around" lens for those reasons (plus WR would be nice, but not a must)
I was thinking about a 15mm ltd combined (maybe) with a 20-40, 18-35 or Sigma 17-50. Advice on these or any other alternatives.
Use would be for city/street photography, some nature landscapes, and some astrophotography.

Pentax DA* 60-250 f/4
Great lens and output. I find it is either too short (compared to 400mm telemacro) to carry as a telephoto for wildlife or too big and heavy to use as a "walk around" lens for street shooting.
I have recently started looking at the 70-200 f2.8 lenses.
I have a 15 Ltd and Sigma 17-50 and love both of them, the only real shortcoming of either is lack of WR. The 15 is nice for some street photography, more so for including architectureand great fro certain types of landscapes. The color and clarity it produces is great. I've just had the Sigma a few months and it has become a favorite. It's useful range from wide to short tele and it f2.8.

I have a Tamron 70-200/2.8 and it is a nice lens for certain things. It is also a big heavy lens but that's expected. Of course I use it when shooting sports, but it is a nice landscape lens. The big pro of course is 2.8 and the con is no WR. Something to consider, is the filter size for whatever you get. Four lenses I have, the Tamron 70-200, Sigma 17-50, Pentax DA*300, and Tamron 10-24 all have 77mm threads, which is less filters I have to own and carry.
07-14-2016, 05:01 AM   #6
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QuoteOriginally posted by Greinerstudio Quote
Pentax DA* 60-250 f/4

Great lens and output. I find it is either too short (compared to 400mm telemacro) to carry as a telephoto for wildlife or too big and heavy to use as a "walk around" lens for street shooting.

I have recently started looking at the 70-200 f2.8 lenses. Also the 18-135 looks interesting but lower IQ. considering trading reach for speed, But I think it only makes my size issue even worse. The 50-135 is also a contender.
I don't see how any of the lenses you list could replace the 60-250 as a tele. Maybe couple it with your TC when you want more reach? Otherwise, the 70-200s (heavier, less reach) and 18-135 (less reach ) can't replace it for your intended purposes. the 60-250 is rarely considered a walkaround (although when I'm with the kids I often mount that one by default).
07-16-2016, 06:13 AM   #7
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QuoteOriginally posted by bdery Quote
I don't see how any of the lenses you list could replace the 60-250 as a tele. Maybe couple it with your TC when you want more reach? Otherwise, the 70-200s (heavier, less reach) and 18-135 (less reach ) can't replace it for your intended purposes. the 60-250 is rarely considered a walkaround (although when I'm with the kids I often mount that one by default).
I would be sacrificing reach will the 60-250 replacements. But, I often find 250 too short and when I what Tele I grab my 400mm telemacro. The 60-250, as a short Tele, kind of sits in no man's land for me.

---------- Post added 07-16-16 at 06:15 AM ----------

QuoteOriginally posted by Imp Quote
Or Tamron 17-50 f/2.8, there are a couple floating around on the marketplace right now for around $250. Just check the serial number first, and see if its greymarket or not.

15mm ltd is also f/4, if that's one of your concerns with the 12-24... although I think you mean its bad at f/4 for a walkabout? Not as a landscape lens specifically - right?
Correct. F4 for landscapes is fine, but as a candid walk around I would like it to be a bit faster. It also takes up a lot of bag space for a lens I rarely use at the 12mm end.

---------- Post added 07-16-16 at 06:17 AM ----------

QuoteOriginally posted by VoiceOfReason Quote
Pentax DA* 16-50 f/2.8 sounds perfect for you. for #1, keep the 60-250
It looks like you own the 18-35 and the 12-24, plus the 16-50. How does the 16-50 compare?
07-16-2016, 06:54 AM   #8
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QuoteOriginally posted by Greinerstudio Quote
-


It looks like you own the 18-35 and the 12-24, plus the 16-50. How does the 16-50 compare?
The 12-24 I own is the Sigma version, and it is sharp as can be. On APSC is would be a decent walk aroudn in something like a museum which is well lit, or a really super crowded downtown area with narrow streets. The 18-35 for me has almost clinical sharpness. It is sharp wide open, and by f/2.8 it gets as sharp as you could ask. The bokeh is a little distracting in busy areas though. The 16-50 is decently sharp at f/2.8 and sharpens up more by f/4. It is also WR, and if you're looking at a walk around lens with a good all around range for the streets and don't want to be afraid of inclement weather then this is the one for you.

07-16-2016, 07:15 AM   #9
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QuoteOriginally posted by bdery Quote
I don't see how any of the lenses you list could replace the 60-250 as a tele. Maybe couple it with your TC when you want more reach? Otherwise, the 70-200s (heavier, less reach) and 18-135 (less reach ) can't replace it for your intended purposes. the 60-250 is rarely considered a walkaround (although when I'm with the kids I often mount that one by default).
60-250 is 250mm only at infinite. At close focussing distance, the 50-135 do provide as much reach and up to some focussing distance some 70-200 provide as much reach as the 60-250. Depending what you shoot, that problem combined with the 60-250 being f/4 and not f/2.8 plus it price doesn't make it the most desirable piece of kit depending of what you use it for.

And the OP as also a 400mm prime he want to keep when he need the reach.

Last edited by Nicolas06; 07-16-2016 at 07:47 AM.
07-16-2016, 07:45 AM   #10
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QuoteOriginally posted by Greinerstudio Quote
I have a few lenses I am considering selling/trading for alternatives. Any thoughts or advice on alternatives?

Pentax 12-24 f4 ED AL

At 12mm, often a little too wide. Also, at f4, too slow at times. Not a good "walk around" lens for those reasons (plus WR would be nice, but not a must)

I was thinking about a 15mm ltd combined (maybe) with a 20-40, 18-35 or Sigma 17-50. Advice on these or any other alternatives.

Use would be for city/street photography, some nature landscapes, and some astrophotography.
The DA15 is f/4 only too. The key benefit is that it is really small, very constrasty and handle dynamic range and flare like no others. It has heavy field curvature meaning that while the part you'll focus on will be sharp at all appertures, some of subject that should be well in focus might not be in practice. DA15 is not WR and a prime. If WR is needed, it is likely hazardous to change lenses so a specialized prime is not the most practical. This is a great lens, it yield fantastic shoots but a bit difficult to use and doesn't really fit your requirements... except that you seems to like primes.

The 17-50 from tamron/sigma (tamron cheaper/smaller/lighter, and bit of field curvature sigma with silent focussing) look to cover most of the needs. No WR but no/less lens change. They are still reasonably wide, they are f/2.8 when you need it, they are cheap and they are great quality. It is difficult to find better deal. There risk of sample variation and because they are so cheap it make sense to buy new and test them... If you got a dud, ask for a replacement. If you are afraid for them being wide enough, first buy them, use them and compliment with DA15 as you were thinking. As long as you don't use it mostly for low light, that would be nice setup.

The 16-50 from Pentax is great, not really better than the sigma/tamron. Some prefer one or the other. The main benefit beside the Pentax logo is 16mm as well as WR. The old versions can have SDM issues.

So one of theses zoom are the best compromises from your requirement. But you may want to simply use different lenses in different occasions. You may not need WR at the same time as low light so you could get a 16-85 that is both WR and fantastic value for outdoor activities. Even a 18-55 in case of can be a good compromize if WR requirement is only in case of. And you then keep that tamron 17-50 or one prime or two (It look like you enjoy prime, a bit like me) the rest of the time.

Last edited by Nicolas06; 07-16-2016 at 07:51 AM.
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