Stan Halpin wrote: >I was wondering how LR would be able to handle the RAW to jpg conversion on my >Chaos image for the PUG. As I suspected, the chaotic image did not compress as >readily as my usual shots, and I had to bring down the 0-100 quality slider in >LR. As I went through a series of trial-and-error settings, I was very >surprised to find a discontinuity of sorts. > >At a quality setting of 70, the file was 305mb as reported by my iMac OS-X >10.7.5. >At a quality setting of 69 the file size dropped all the way to 264mb.
This is pretty well known. It also exists in Photoshop where you save JPEGs on a scale from 1-12: Quality setting 6 yields larger files than quality setting 7. (Also, quality settings 11 and 12 yield larger files but no better image quality than setting 10.) http://www.impulseadventure.com/photo/jpeg-quantization.html -- Mark Roberts - Photography & Multimedia www.robertstech.com -- 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.
