Sigma DP1/DP2/DP3 Merrill flare comparison

Started May 26, 2013 | Discussions thread
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mark-vdi Regular Member • Posts: 401
Re: Thanks Robert,

Hi Roland, at a guess, if it is caused by a double internal reflection first off the micro-lens covering the sensors and then back off the surface of the last lens element, then, if the last element has a convex surface, it will magnify and distribute the spots with the spots furthest from the centre becoming more distorted since this reflection strike an oblique surface . . .

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