all of this assumes that the 24mp image is actually 1.5 times the resolution of the 16mp image. Its not because you would have to have an infinite resolution lens to achieve that. With the aps format, 24mp is really pushing the limits of the lens....The real solution is a larger format. hint: FF!
----------------- J.C.O'Connell [email protected] ----------------- -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of steve harley Sent: Sunday, April 22, 2012 7:16 PM To: Pentax-Discuss Mail List Subject: Re: OT - Nikon Announces 24MP APS-C DSLR - $699 on 2012-04-22 14:03 P. J. Alling wrote > > A 24mp sensor gives a liner dpi improvement in a 13x19in print of lets see, > (carry the one divide by 19), 50 dpi. For that I expect that a raw file will be > roughly four times the size of a K-5 file and 90% of the time the improvement > imperceptible at a normal viewing distance. It's worse if you view your images > on a computer screen. weird math a 24 megapixel image file, given the same effective compression, would be just under 1.5 times the size of a 16.3 megapixel K-5 file the linear improvement should be sqrt(1.5) or about 22% improvement assuming the sensors are proportioned the same; to express this as dpi, start with the K-5's output of 259 ppi across the 19 inch output size you mention (4928/19); a 24mp sensor of the same proportions would give you 318 ppi, or 59 greater "dpi" -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
