pete3d

Thanks, I have tried with a Sigma 1.4TC and a Canon 1.4 III - both showed only MF. I also checked to see if there were any menu options that might help including Lens Drive When AF Impossible but...

The thread title says it all, and I was really looking forward to 700mm with AF.

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You are all right it is a jet plane and its vapor trail.

Sorry not to challenge you all a bit more - but I did think it was an extraordinarily hansom vapor trail with a fine pallet, and virile as...

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Unfortunately I am not using any Series 1 bodies so I do not have the AF option.I did stop by your photo hosting site - truly beautiful work.Here's a snap shot landscape - just for fun - with the...

Here are a couple that I found that were shot with the Sigma 2x TC - live view focusing on the 5Diii- for lens evaluation only.I don't have any taken with the 1.4x TC but twist my arm and I'll try...

I have being using the Sigma 500 f4.5 for about two and a half years now and really like it - particularly since I switched to full frame. I have no experience shooting big whites so my perspective...

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