Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
07-11-2008, 10:08 PM   #1
Junior Member




Join Date: Jul 2007
Location: Latvia, Riga
Posts: 28
Low light (Sigma vs. Tamron)

Tamron 17-50 2,8 and Sigma 18-50 2,8 EX, which of these lenses will focus best in low light conditions?

07-13-2008, 11:29 AM   #2
Inactive Account




Join Date: Jul 2008
Location: Yorkton SK Canada
Posts: 25
QuoteOriginally posted by brr Quote
Tamron 17-50 2,8 and Sigma 18-50 2,8 EX, which of these lenses will focus best in low light conditions?

Please add the Pentax DA* 16-50 to that list for me as I will likely be getting one of the 3 soon.
07-13-2008, 12:21 PM   #3
Veteran Member




Join Date: Mar 2008
Location: Nowhere, Sweden
Photos: Gallery
Posts: 654
The Sigma focuses quite well acctually. I have no experience with the Tamron.

Personally I would go for the Pentax one though. But thats only because of quick-shift.
07-13-2008, 12:30 PM   #4
brr
Junior Member




Join Date: Jul 2007
Location: Latvia, Riga
Posts: 28
Original Poster
QuoteOriginally posted by Zewrak Quote
The Sigma focuses quite well acctually. I have no experience with the Tamron.

Personally I would go for the Pentax one though. But thats only because of quick-shift.
I have Sigma and i would not say it focuses well. To slow... some hunting too.

07-13-2008, 12:36 PM   #5
Veteran Member




Join Date: Mar 2008
Location: Nowhere, Sweden
Photos: Gallery
Posts: 654
QuoteOriginally posted by brr Quote
I have Sigma and i would not say it focuses well. To slow... some hunting too.
Too slow is quite a subjective opinion, ofcourse. Too slow for what? I can focus rather well in a room with one or two ordinary lamps lit, on my running daughter.

On the other hand, we might have different versions. Mine is the Sigma DC 18-50 EX Macro f/2.8
07-13-2008, 12:39 PM   #6
brr
Junior Member




Join Date: Jul 2007
Location: Latvia, Riga
Posts: 28
Original Poster
Mine too.
If I don`t have to shoot a report in low ligt than it`s more or less ok, but I have to ,than i`m a little bit disappointed.

Last edited by brr; 07-13-2008 at 12:53 PM.
07-13-2008, 12:44 PM   #7
Veteran Member




Join Date: Mar 2008
Location: Nowhere, Sweden
Photos: Gallery
Posts: 654
Well, perhaps a DA* 16-50 is better for you, can't say really, never use zooms anymore. I find the most rapid and quick focus system is your hands and manual focus, after some practice.
07-13-2008, 02:10 PM   #8
Inactive Account




Join Date: Jul 2007
Location: Helsinki
Photos: Gallery
Posts: 5,407
Don't know about the Sigma or Tamron, but my DA 16-50 seems to focus rather well and fast in a dark room.

A subjective test:

It focused as fast as you could say "zip". If I tried to spot focus to a dark non contrast spot I did not actually experienced any hunting - the lens just figured out what it could and focused there, speed compared you saying "zoom", i.e. not as fast as saying "zip", when focusing to a more contrasty spot in a dark room.

P.S. You are allowed to laugh to my test

Reply

Bookmarks
  • Submit Thread to Facebook Facebook
  • Submit Thread to Twitter Twitter
  • Submit Thread to Digg Digg
Tags - Make this thread easier to find by adding keywords to it!
k-mount, light, pentax lens, sigma, slr lens, tamron
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
Sigma 105mm Macro in low light eccs19 Pentax SLR Lens Discussion 4 10-28-2010 04:20 AM
Another Pentax DA 16-45mm vs Sigma 17-70mm; Low Light Situations. boosted03gti Pentax SLR Lens Discussion 6 02-23-2010 02:03 PM
Tamron 70-200 f2.8 vs Sigma 70-200 f2.8 In Low Light Christopher M.W.T Pentax SLR Lens Discussion 8 11-23-2009 03:57 PM
Low light event shots with the Tamron 70-200/2.8 heliphoto Pentax SLR Lens Discussion 5 11-10-2008 01:48 PM
Sigma 28-70 f2.8 - excellent low-light garth1948 Post Your Photos! 6 02-07-2008 07:36 PM



All times are GMT -7. The time now is 06:09 AM. | See also: NikonForums.com, CanonForums.com part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top