Jack Davis wrote: > This is why I ask for a review. Glad I did! > > More bits doesn't lower noise or increase dynamic range (unless you're talking about s/n electrically- which isn't applicable here).
As Rob pointed out, full well capacity of these sensors is <65k electrons, so anything more than 16-bits is overkill- unless you can count half an electron. :-) > Jack > > --- Mark Roberts <[EMAIL PROTECTED]> wrote: > > >> Jack Davis wrote: >> >> >>> A quick review. Is there any significance to the noted press release >>> claim that the K10D contains a "newly developed high performance A/D >>> converter which allows the highest resolving power (22 bits, or 4.2m >>> gradations) among all existing digital cameras...". >>> Do we agree that it's extreme overkill (considering sensor pixel >>> >> count) >> >>> and only hollow hype to grab the shopper? >>> >> Not at all. Better D-A conversion is unrelated to pixel count. It >> affects with *every* pixel, potentially yielding lower noise and >> better dynamic range, so it would be a big advantage even with a >> low-res sensor. >> >> -- >> Mark Roberts Photography & Multimedia >> www.robertstech.com >> 412-687-2835 >> >> -- >> PDML Pentax-Discuss Mail List >> PDML@pdml.net >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> >> > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > > -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
