Sigma 35 f/1.4 and 5D Mk III?

Started Apr 1, 2013 | Discussions thread
Daniel
Regular MemberPosts: 151
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Re: Sigma 35 f/1.4 and 5D Mk III?
In reply to MadManAce, Apr 22, 2013

MadManAce wrote:

Daniel wrote:

I got mine a week ago.  It arrived with front focusing issue.. have to adjust with +13 focus alignment in my Canon 5D mk 3.

Hey Daniel,

Have you noticed any difference with you +13 focus alignment when shot in different lighting than from when you calibrated?  I have tried four Sigma 35mm lenses and all needed significant AF adjustments but when the light (WB) changed the results were unreliable.  I really wanted the Sigma to work but I was forced to buy the Canon 35L and forever I will know that I paid more for an optically inferior lens, but for me focus always takes top priority.

Focus is constant in different lighting.  I only time I noticed that focus is not constant is if I set to Single-point Spot AF when testing on tripod with cable shutter release.  However all other AF selection are ok, even Single-point AF.

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