another open letter to Sigma

Started May 14, 2012 | Discussions thread
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mike earussi
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another open letter to Sigma
May 14, 2012

Please quit listening to your marketing people when they tell you that resolution is the most important feature photographers want. Your latest experiment with the SD1 chip that is really only useful at iso 100 and produces banding in the sky and noise in the shadows when shot at any higher iso has eliminated a lot of people's desire to own one.

What we're wanting is the "old" Foveon look with no noise or banding in the sky and high dynamic range. My suggestion for a really good Foveon based camera is a full frame 12 mp chip without the AFE that seems to have had the negative side effect of lowering the DR at the same time as it added banding to the sky.

A 12mp high quality Foveon chip will provide enough resolution for most ordinary needs and the addition of a large buffer, similar to the 21 shot one on the SD15, will enable the easy production of pano stitching when needing larger resolution files for landscapes.

So a 12mp full frame camera with large noise free pixels providing a high DR coupled with a good buffer and fast processing time is much better than a 15mp one with small noisy pixels, poor DR, small buffer and slow processing time. I'd even be happy with a minimum iso of 25 if that would help to enhance overall IQ.

Please remember that what attracted people to Foveon in the first place was a beautiful 3D image than no Bayer chip could come close to. We miss that look and would really appreciate a FF higher resolution version of it, just not at the expense of the original IQ that we loved.

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