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02-22-2012, 02:14 AM   #1
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*16-50 or 16-45/4 for studio shots


I think this topic started not in first time here, but I still not have answer on my question.

My Situation: making studio shots. For now on Tokina 28-70/2.8. Its not bad lens, but unsharp on 60-70, full of CA even on f10, distortions on 28. f2.8 very soft (but ofc. not using now in studio).
I want good, maybe best lens for studio portrait shots. Not a prime (have 40lim and not using it), not a "long" 'cos my studio is small, but want standard zoom with good conditions.

On the russian pentaforum people advice me 16-45/4. I understand, for this money its good lens, but CA and only 45mm not like for me. 16-45 i can buy for 280 usd
in other side - *star* 16-50 - best standard zoom by pentax, with CA and price (in Ukraine) - 750 usd.

* little bit better then 16-45, but I can see that "better" ?
Anyway, high CA present on both lenses.

I want listen some advice from you - witch lens better to buy for me ? this year I planing buy K5 (maybe smth new from pentax) and 70lim for some "face" portraits.

Sorry for my English

02-22-2012, 03:15 AM   #2
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As you get better you will notice the differences more between a good and not so good lens.
From what I hear the 16-45/f has been argued as being as good or better than the 16-50 at some f-stops.
Unless you need the wide aperture and narrow depth of field that f2.8 will give, the 16-50 may not be worth the money.

So if $$ is your limiting factor, the 16-45 should be more than acceptable...

If you're in the studio and can control the lights, CA should be manageable and not be much of a problem from either lens.
02-22-2012, 03:18 AM   #3
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Interesting question, with studio portraits I rarely go wider than 24mm on K-5 but I understand that 16mm could provide nice perspective sometimes.
I used DA16-45 for landscape and enjoyed it, somehow I didn't feel like using it for portraits a lot. But I saw a lot of great portraits done with DA*16-50, maybe people do like it's bokeh (if it is relevant in studio).
Do you have a possibility to rent or borrow these lenses for a weekend to assess their relative value for your purpose?
02-22-2012, 03:33 AM   #4
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If it is any help, this was done with a 16-50. I love this lens.

02-22-2012, 03:47 AM   #5
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I understand that 16-50 little bit better, sharper, less CA, but how exactly Better * than 16-45 especially when talks about f8-f11 ?
I ready to pay 750usd, but want to know is this really need for me...

QuoteOriginally posted by elho_cid Quote
Do you have a possibility to rent or borrow these lenses for a weekend to assess their relative value for your purpose?
I'll be happy to try this two lenses by myself, but in my region its very complicated.

QuoteOriginally posted by Don From The Radio Quote
If it is any help, this was done with a 16-50. I love this lens.
You always use this lens in studio?
02-22-2012, 04:51 AM - 1 Like   #6
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Check this guy blog, he does a lot of studio shots with 16 - 45mm. IMO they are awesome (and not because of the lens ).

02-22-2012, 04:56 AM - 1 Like   #7
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If you're really only using it in a studio, then get the 16-45. The 16-50 is pricier not because it's optically better, but because it's sealed, has better build with SDM and a load of other fancy and useful additions. It's faster, and will be incredibly useful in the field, but in the studio you're not going to notice that much of a difference.

I'd still recommend the 16-50 just in case you do decide to use it elsewhere. Makes more sense rather than eventually buying a lens for out-of-studio use as well as the 16-45.
02-22-2012, 05:42 AM   #8
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Is 16mm a must? The Tamron and Sigma 17-50s are considered to be better than the 16-50 for less price. An alternative to you tokina, the Tamron 28-75 also exists, but the 17-50 is sharper.

See the review on the 17-50s and 16-50 on this forum's lens review section. The 16-50 is a great lens for sure, but it does underperform for its price when compared to the Sigma/Tamron variants.

02-22-2012, 05:55 AM   #9
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You could consider getting a 16-45 AND a FA50 f1,4. A fast lens can be useful in a studio, for special effects. I know when I do studio work, I work with my 50 more than anything else.
02-22-2012, 07:13 AM   #10
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well, in studio most time u stop down anyway, at f8, any lens is good
I see photographer use tarmon 18-200 for studio shot
02-22-2012, 08:01 AM   #11
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Thanks to all. Think, I'll go for 16-45.

About sigma 17-50 i know - its gooood lens, but in my region I cant get this now, just not in prices and second-hand...

About prime 50... I have 40lim Its good lens. but in a photographic process in studio I not want waste time to change lens... but I want 70lim
02-22-2012, 10:32 AM   #12
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The Tamron SP 17-35/2.8-3.5 AF [IF] is a very competitive alternative with sharpness and color similar to the SP 28-75/2.8. I've found it to produce results and price equal to the DA16-45 with the speed of the DA* 16-50 when needed and it's a full-frame lens.

02-22-2012, 12:19 PM   #13
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I have both the DA* 16-50 and the DA 16-45. If it's just between those two lenses, the 16-45 is better than the 16-50 at the wide end of the zoom range under almost all circumstances. If you're going to work at 16-20mm a whole lot, by all means go for the 16-45. After that, it gets more complicated. It depends on whether you need the extra stop and weather resistance. The Tamron 17-50 f/2.8 is another reasonable option - and it costs well under $500.
02-22-2012, 12:29 PM   #14
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I've used the 16-50 and I own the 16-45, and the 16-45 is incredibly sharp. If you're doing studio work, get the 45 and spend the rest on lighting equipment. 16-50 is NICE, to be sure, but in controlled lighting conditions, the law of diminishing returns applies bigtime.

Obviously, studio means more than just portraiture, but I can't imagine you'd have that much use for the wide end of either lens. When I think of studio work, I think of primes. Personally, I would go with a 50 1.7 and the Sigma 28 1.8 . . .
02-22-2012, 02:41 PM   #15
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ofc. I try to use wide angle just a little bit and 28mm on crop enough for me, this is the reason why I not buy smth 10-30...

I have question about K5 - is it true that pictures from this camera looks little bit sharper compare to K10|20 ?
Why I think so: on can find tests of pentax primes on K10 and on K5 and on K5 mft resolution of lenses is higher.
for example, my 40lim Pentax SMC DA 40mm f/2.8 Limited - Review / Lab Test - Analysis
Maybe with new body, my Tokina give me good sharpness on the borders ?
Now have K20...

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