robert_k1 Posted March 28, 2013 Share Posted March 28, 2013 <p>I'm in the market for a Tamron 17-50mm f2.8, and come across two versions.<br> Non VC:<br> http://www.amazon.com/Tamron-17-50mm-Di-II-Aspherical-Digital/dp/B00156OZ68/ref=sr_1_2?s=electronics&ie=UTF8&qid=1364480544&sr=1-2&keywords=tamron+17-50+2.8<br> http://www.tamron.com/en/photolens/di_II_hi_speed/a16.html<br> VC:<br> http://www.amazon.com/Tamron-17-50mm-Vibration-Compensation-Digital/dp/B002LVUIXU/ref=sr_1_4?s=electronics&ie=UTF8&qid=1364480544&sr=1-4&keywords=tamron+17-50+2.8<br> http://www.tamron.com/en/photolens/di_II_hi_speed/b005.html</p> <p>Are there other (older) versions? What would be the differences and how to identify them?</p> <p>Thanks.</p> Link to comment Share on other sites More sharing options...
Hector Javkin Posted March 28, 2013 Share Posted March 28, 2013 <p>Yes. There was at least one non-VC version without an internal AF motor, so that it would only work with bodies that have a motor driving AF through a mechanical screw.. Got one right here: XR Di II is what I can read. It's excellent. Maybe a touch less sharp than the far more expensive Nikon 17-55mm f/2.8 AF-S, but more resistant to flare. Some peopled said that the the first version with the motor wasn't as good, but I have no first-hand knowledge of that. I also don't know the VC version.</p> Link to comment Share on other sites More sharing options...
kohanmike Posted March 28, 2013 Share Posted March 28, 2013 <p>I have been using the VC version for the last two years shooting concerts and events and find it to be excellent. My copy is sharp and clean, and I do make use of the vibration control. I use it with a D300s and an SB-600 flash. I highly recommend it.</p> Link to comment Share on other sites More sharing options...
Bill J Boyd Posted March 28, 2013 Share Posted March 28, 2013 <p>I have the VC version of this lens and it is excellent. </p> Link to comment Share on other sites More sharing options...
hans_janssen Posted March 28, 2013 Share Posted March 28, 2013 <p>There are three versions: screwdriver AF, BIM AF and VC.</p> Link to comment Share on other sites More sharing options...
matthew_lee6 Posted March 28, 2013 Share Posted March 28, 2013 <p>The BIM (built in motor) version is my work lens when shooting events. In my opinion it is the best value mid zoom for APS-C. My version doesn't have VC. I couldn't see the point at that focal length given at f2.8 with high ISO capabilities of modern bodies it would need to be quite dark to require shutter speeds below 1/50. However, I don't really use VC lenses so haven't really had the chance to understand and take advantage of that technology. The other point on VC is that I use this lens on people, who have a tendency to move, which means unless I am dragging the shutter, I try to use fast shutter speeds.</p> Link to comment Share on other sites More sharing options...
hans_janssen Posted March 28, 2013 Share Posted March 28, 2013 <p>VR/VC/OS can be useful with filming. I understood that is the reason the 16-35 has VR.</p> Link to comment Share on other sites More sharing options...
eric_arnold Posted March 28, 2013 Share Posted March 28, 2013 <p>i used to have the screwdrive version. it was super sharp at 2.8.</p> Link to comment Share on other sites More sharing options...
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