LensTip.com

Lens review

Sigma 12-24 mm f/4.5-5.6 II DG HSM

27 December 2011
Arkadiusz Olech

9. Ghosting and flares



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The lens features a big, convex element at the front which is sheltered from side light by the built-in petal type hood. The problem is that with such angles of view a hood must be small in order not to obscure the edges of the frame. As a result already at first glance you can notice that this hood is definitely too short to perform well its basic function.

When we add to it a big number of elements so a lot of air-to-glass surfaces which can reflect the light, we get a recipe for troubles. The troubles are indeed huge which can be seen in the photos below. Flares appear at all focal lengths and throughout the whole range of apertures.


Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares

Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares

Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares

Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares

Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares

Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares


Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares

Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares

Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares

Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares

Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares

Sigma 12-24 mm f/4.5-5.6 II DG HSM - Ghosting and flares