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The next Foveon camera?

Started 2 months ago | Discussions thread
Doppler9000 Senior Member • Posts: 1,573
Re: The next Foveon camera?

tarmov wrote:

xpatUSA wrote:

If Canons and Sonys have a compression ratio of 3.7, while Sigma DPm has a compression ratio of 2.2 AND a person also visually prefers Sigma Foveons then I'd say there is a strong case FOR THAT PERSON to prefer Sigma Foveons.

... are we talking about the best possible out-of-camera JPEG quality, often called "fine"?

I shoot raw with DP2m, then do some adjustments in Sigma PhotoPro and then save in tiff or in highest quality jpeg that Sigma PhotoPro offers (quality level 12).

PS. The 20MB ceiling that Dpreview has set on uploading images has sometimes forced me to use higher jpeg compression (quality levels below 12).

-Tarmo

How do you compute the compression ratio?

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