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03-18-2013, 12:52 PM   #1
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Cheapskate looking into 70-300mm lens'

I am a begginer with a k-2000 looking into getting a telephoto for distance outdoors travel and photos of high school wrestling (my main uses) I am also a cheapskate.

Locally on craigslist I have this option for $60....

Pentax AF 70-300mm f/4-5.6

and I have also looked at the $144 Sigma on Amazon...

Amazon.com: Sigma 70-300mm f/4-5.6 DG Macro Telephoto Zoom Lens for Pentax and Samsung SLR Cameras: Electronics

THE PROBLEM IS I DONT HAVE ANY IDEA ON HOW TO COMPARE THE 2 IN REGARDS TO OVERALL VALUE AND WHICH WILL BE BETTER FOR ME TO BUY???

03-18-2013, 01:07 PM   #2
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check here if you haven't already
Pentax Lenses - Pentax Lens Reviews & Lens Database

and here

https://www.pentaxforums.com/userreviews/

Last edited by Franky2step; 03-18-2013 at 01:08 PM. Reason: new information
03-18-2013, 01:11 PM   #3
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Checked before I posted and didnt find the older Tamron with any reviews. Thanks.
03-18-2013, 01:25 PM   #4
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You didn't ask about Tamron, you asked about Pentax and Sigma

03-18-2013, 01:31 PM   #5
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Sorry...the craigslist post calls it a pentax but it clearly says Tamron on the side....I think it is a model 472D.
03-18-2013, 01:33 PM   #6
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Try this one: Tamron 70-300mm F4-5.6 AF LD Macro Lens Reviews - Tamron Lenses - Pentax Lens Review Database It looks a bit different but all the specs are the same. Not much info though.

Take your camera and test it out, if it is functional how bad can it be for $60? If you want a really good lens, well those cost money ($400 - $500). If you want cheap you take what you can get. Just FYI though you might not get the results you want with indoor sports, unless the gym is really well lit you are going to have to crank the ISO up a lot to get enough speed with that lens.
03-18-2013, 01:36 PM   #7
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Just go for it, I'm pretty sure you'd get your $60 back, if you came to sell it again.
03-18-2013, 07:32 PM   #8
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I own the the Tamron 70-300 f4-5.6 AF LD Macro (I acutally bought it from the PF marketplace) and it performs really well in good light. Under low light it can be hit or miss. You will probably have to bump up the ISO in low light. It also tends to have some purple fringing at times, but it is easily remedied in Lightroom.

If you can grab it for $60, do it. I payed $50 for mine and don't regret it. This and the F35-70 are my most used lenses. Is it the best lens? No. But it's not bad...

f/8 ISO 1600 1/400sec @300mm JPEG out of camera


f/8 ISO 1600 1/400sec @300mm JPEG out of camera


f/8 ISO 400 1/2000sec @300mm JPEG out of camera


f/7.1 ISO 100 1/100sec @170mm RAW processed in Lightroom



Last edited by J. Stanz; 03-18-2013 at 07:48 PM. Reason: Clarified some details...
03-19-2013, 12:38 AM   #9
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Have you considered the Pentax DA 55-300mm?
03-19-2013, 05:32 PM   #10
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Thanks everyone! I was able to talk the guy down to $40 so I felt great about it and the lens seems to be great for my needs. Now I just need to learn how to use it. The shots above look great so I will try those settings. Thanks again.
03-19-2013, 05:36 PM   #11
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You absolutely cannot go wrong for $40! Why can't I bump into a Leica 0.95 for $200? I have been trying for a long time to no avail...
03-19-2013, 11:26 PM   #12
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The Sigma 70-300....

Last edited by wildman; 04-02-2013 at 11:35 AM.
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