Sigma 18-250 HSM - first pics and a few thoughts...

Started Jun 30, 2009 | Discussions thread
OP Keith Schmidt Veteran Member • Posts: 7,142
Re: how is the HSM working ?

This is one aspect that I'm not able to make a real decision about yet - I was playing with the Sigma and Sony a bit yesterday, in good lighting, and the Sony actually seemed faster quite a few times. The Sigma gets focus very quickly, but doesn't confirm it with the focus beep for a tad bit longer - not sure why there is a delay in some cases, but it's there. The Sony will often start out focusing a bit slower, but then very definitively locks in.

I have no way of actually measuring this, so take it for what it is, but I don't feel like the Sigma is any faster than the Sony so far. I have yet to try it for action though - we have a baseball practice this evening, and my daughter's game tomorrow, so hopefully I'll give it a try then and see how it does with tracking action.

lock wrote:

I assume it's no speed monster, but could you compare it with another lens in terms of focussing speed ? Is it limited with kids running around etc. ?


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Olympus E-M1 Panasonic Lumix G Vario 7-14mm F4 ASPH Panasonic Leica Summilux DG 25mm F1.4 Olympus M.Zuiko Digital 45mm F1.8 Olympus M.Zuiko Digital 17mm 1:1.8 +4 more
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