> You know, I hate to be picky about this, but...nothing is actually LOST, > per > se, on initial capture of a jpeg image. > What's there is there, as your lens/camera system captures it and delivers > it > to the sensor. Just because you have chosen to capture an image as a jpeg > doesn't mean you've selected an inferior image format
Not my understanding. LOST as compared to some non lossy capture modes. JPEG compresses file size by selectively discarding data.. The file is compressed relative to other possible file formats. Kenneth Waller ----- Original Message ----- From: "keith_w" <[EMAIL PROTECTED]> Subject: Re: Shooting Digi in JPEG Mode > Kenneth Waller wrote: >> Tom >> Given that something is lost on the initial jpeg capture, > > You know, I hate to be picky about this, but...nothing is actually LOST, > per > se, on initial capture of a jpeg image. > What's there is there, as your lens/camera system captures it and delivers > it > to the sensor. Just because you have chosen to capture an image as a jpeg > doesn't mean you've selected an inferior image format. > > Whatever the sensor passes along by way of the camera's internal software, > which apparently identifies it as a jpeg, or tiff or raw image, is what it > is. > How can any of that be classified as a "loss?" > > The image captured as a tiff or a jpeg is converted by the camera's > internal > firmware (I suppose ?) to be what it is. Same with RAW. > > Any losses that occur to any image captured and saved happen after the > photog > grabs hold of the image and messes around with it! > >>...everything I been >> taught tells me that its only after numerous jpeg re-savings, that the > > continued losses become evident. >> >> Kenneth Waller > > That's as I understand it. > However, as *I* understand it, just opening it and viewing it, and closing > it > again does NOT bring about a deterioration. > You have to "save" it time after time for the degradation to take place. > > > keith whaley > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
