Rumors... for what it's worth

Started Sep 11, 2013 | Discussions thread
mike earussi
Veteran MemberPosts: 4,921
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Re: Rumors... for what it's worth
In reply to rick decker, Sep 12, 2013

rick decker wrote:

Hi Richard:

I was under the impression that it was size not IQ that prevented lens mfrs from offering OS on the 24-70.

All of Sigma's OS lenses have a substantial increase in flare over the same (earlier version) lens without OS.

Here are two excellent examples:

50-150:

http://www.lenstip.com/1.9-Lens_review-Sigma_50-150_mm_f_2.8_APO_EX_DC_HSM_Ghosting_and_flares.html

http://www.lenstip.com/364.9-Lens_review-Sigma_50-150_mm_f_2.8_APO_EX_DC_OS_HSM_Ghosting_and_flares.html

105 macro:

http://www.lenstip.com/241.9-Lens_review-Sigma_105_mm_f_2.8_EX_DG_Macro_Ghosting_and_flares.html

http://www.lenstip.com/318.9-Lens_review-Sigma_105_mm_f_2.8_EX_DG_OS_HSM_Macro_Ghosting__flares_and_transmission.html

This is why I've hesitated in buying any of them, as much of my work is with backlighting and side lighting and therefore subject to possible lens flaring. It's a flaw I wish Sigma would fix, though I think other manufactures are also having similar problems.

R

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