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10-22-2012, 01:18 PM   #1
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Which lens to buy next (16-50mm SDM)?

Hey,

So I bought a Pentax K5 on the end of May 2012 (first DSLR purschase) when the price came down and have been spending some money on lenses since.
Well, I spend quite a lot of money and this is what I have at the moment:

Pentax K7 (up for sale)
Pentax K5
18-55mm WR (up for sale)
50-200mm WR (up for sale)
50-135mm SDM
15mm f4 Limited
16-45mm DA
50mm f1.7 A
50mm f1.7 Chinon (up for sale)
35-70mm F
couple of M42 lenses: 35mm f2.8, 50mm f2.8, 135mm f2.8, 200mm f3.5, 80-205mm f3.9
Battery grip
5 batteries (2 for sale)
Metz Mecablitz 44 AF1

Well, now I started a photography study of 3 years and as you can't really lend any pentax gear I plan to buy most of the equipment I need (secondhand).
I would appreciate to get some tips on what to buy next and what not to buy

Now I'm looking at the possibility of buying the 16-50mm SDM (and selling the 16-45, maybe even the 15mm) and the 100-300mm FA or Tamron 70-300 DI LD (as I would like a good long tele), also I'm looking at maybe buying the Pentax AF-540FGZ cobra but I should probably post that somewhere else.


Thanks in advance,

Harald

10-22-2012, 01:35 PM   #2
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I'd keep your 15mm, and yeah, trade in the 16-45mm in favor of one of these:

DA* 16-50mm vs. Sigma and Tamron 17-50mm F2.8 Comparison - Introduction - PentaxForums.com

Adam
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10-22-2012, 02:55 PM   #3
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Personally, if you don't mind the softer edges at 50/2.8, the 16-50 is lovely in my opinion. I think the lab style testing is overkill with most lenses anyways. And if it really poses an issue, by F3.5 I find the edges to be acceptably sharp at 50.

That, and weather sealing isn't able to be replaced by any level of sharpness. (2500 MTF rating is worthless when you have moisture under your AA filter)
10-22-2012, 03:00 PM   #4
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I would keep the 15, 35-70 and 50-135 for sure.

Since you're talking about getting more than just one lens, if you really want to replace the 16-45, the Tamron 17-50/2.8 is so much cheaper than the DA* 16-50 which gives you more money to put toward other lenses.

For more reach than the 50-135, I feel like the 55-300 is a better choice than the others you listed.

Maybe look at some other fast primes? 31 Limited, FA 35/2, any of the AF 50mm options if you get tired of MF, 70 or 77 Limited, etc...

10-22-2012, 10:25 PM   #5
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I think you can keep the 16-45mm or upgrade to tamron 17-50mm since it might be cheaper. But at f2.8-4.0 Tamron has noticeable(or annoying) blurry on the top left side. Maybe a lens in 12-24mm is a better consideration for the next. Then you'd need to sell the 15mm which might be very hard for you . I keep everything in zoom so that I lost the picture quality but gain more freedom in composition. I mostly take kids snapshot, so for me this strategy works.

My 0.02
10-22-2012, 11:34 PM   #6
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"If you don't know where you are going, any road (lens) is good enough to get you there"

I did much the same as you, bought a lot of lenses, tried out a lot of things, now i have specific things i do with my equipment and definite likes for focal lengths. On a very general level, setting up a travel kit is different than someone who wants to be a competitive wildlife shooter, Fine art aspirations, etc. Are you planning to shoot weddings, open up a portrait studio?? I don't need the answers, but any inkling you might have of your goals can help narrow down the types and numbers of lenses you buy.

My current objective is to sell off some of those lenses i no longer use or have any need to have around. So i don't have much envy for folks out to start collections, more like sympathy :-)
10-23-2012, 02:31 AM   #7
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Original Poster
Thanks for all the comments!

As I'm studying photography at the moment I need a wide variety of lenses to shoot the different tasks I get. But in the end I would like to specialize in travel photography and expedition photography, so the 16-50mm SDM seams to have the edge here because of the weather sealing.

For my longer tele I'll bee looking into the 55-300mm, thanks msatlas!

I love the 15mm f4 and the other limited lenses also look really good, but I don't really have the money for them now, non the less, thanks for the tips.
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