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Opticallimits > Forums > Just Talk > Sigma 17-50 f/2.8 EX OS HSM

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Sigma 17-50 f/2.8 EX OS HSM
arvydas
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#4
03-24-2012, 04:42 PM
For kids shooting you need something about 1/125 - 1/250 shutter speed (or even more sometimes). Put on your lens, set at f4.0 (for example), set highest usable ISO on you camera, and calculate, will f2.8 be enough. External flash could be an alternative.



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Messages In This Thread
Sigma 17-50 f/2.8 EX OS HSM - by iggykh - 03-24-2012, 02:57 PM
Sigma 17-50 f/2.8 EX OS HSM - by popo - 03-24-2012, 03:07 PM
Sigma 17-50 f/2.8 EX OS HSM - by iggykh - 03-24-2012, 03:38 PM
Sigma 17-50 f/2.8 EX OS HSM - by arvydas - 03-24-2012, 04:42 PM
Sigma 17-50 f/2.8 EX OS HSM - by iggykh - 03-24-2012, 05:26 PM
Sigma 17-50 f/2.8 EX OS HSM - by arvydas - 03-24-2012, 06:42 PM
Sigma 17-50 f/2.8 EX OS HSM - by iggykh - 03-27-2012, 05:15 AM
Sigma 17-50 f/2.8 EX OS HSM - by Brightcolours - 03-27-2012, 08:57 AM

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