Originally posted by tripleml Thanks to those who replied to my request for help when shooting basketball shots. I have now shot 2 games with my 50mm 1.8 lens and they are the best snaps I've gotten probably out of all the games I've been to in the last few years. Now, I just need to get them a bit sharper and I'd like a little more length on my lens so I thought I'd ask what you all thought about the Sigma 17 - 70mm f/2.8-4.5 DC Macro AutoFocus Wide Angle Zoom Lens - this is a cheaper lens than the 50-135 which was suggested (and I may bite the bullet and purchase, but exploring a few other options first) but I am not sure if it will do for me what I want - any thoughts?
Things I noticed using the Pentax smc DA 50mm f/1.8 Lens:
1. I was able to capture photos using a lower ISO (400-800) than with the other zoom lenses I tried, I assume that is because of the lower f stop.
2. I was able to capture photos with a higher shutter speed which I could not do well indoors with any of my others lenses.
So, does anyone think the Sigma 17-70 lens is worth trying - specifically to use it for this purpose?
Appreciate all of your feedback so far.
Michele
While I understand the concern about shooting low ISO if possible, I have found that the overall need for at least some margin of error in shooting the K-3 requires f/4-6.3 for the best results. So, shooting ISO 3200 is pretty much a necessary evil. I'm not fond of shooting below about 85mm because it becomes difficult to isolate. My favorite lens for basketball is the lowly Takumar 70-210 - which turns out to be rather capable even when shot wide open (up to about 180mm anyways). The lens is impressively responsive on the K-3. In general, with the K-3 having a very strong screw drive motor, I think screw drive will be at least a bit quicker than any of the fast electronic drive zooms.
The photos in the album linked below start with one DA 50mm shot (at f/2.5), and the rest of the shots are taken with the 70-210 at the middle-to-longer lengths (but not all the way out to 210).
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