> > From: "Shel Belinkoff" <[EMAIL PROTECTED]> > Date: 2006/06/21 Wed AM 09:03:02 GMT > To: "Pentax-Discuss Mail List" <[email protected]> > Subject: RE: The Middle-aged Man and the Sea > > Hi Bob, > > While I shoot more with digi, storage space is actually reduced > substantially per frame. For example, a single 16-bit scan of a B&W frame > is, iirc, about 45K, for color it's about 150K. I'm using round figures, > of course. Using the DS, that same frame is only about 5-6K when converted > to DNG, or about 10K with a full PEF (Pentax RAW) file, and that's color. > Doing the math, I can get 25X or more space saving than with film. YMMV, > but I can shoot 25 frames in digi for every one frame with film and end up > using about the same storage space.
My DL2 PEF files are about 10Mb. Scans from the Craposcan (2700dpi/8bit) are between 7 and 15Mb. Are you sure you're using the right units? > > Now, here's another hidden space saver: When processing a RAW file, I can > make numerous changes to the image - color balance, contrast, hue, > saturation, and so on, all without increasing the file size, and all with > being able to save the original file as well as the changes using the > Photoshop raw converter. I suspect other raw converters allow this as > well. However, when working with film, and making universal changes to an > image using layers, that 145K file can grow to as large as 300K. Now I > have a file that's using about 50X more storage space than the raw file > from the camera. > > In another message I noted that the price of one of my favorite SD cards is > now below $25.00 for a GB of storage. With the Pentax that's about 93 > frames. So, for the price of processing about three rolls of film, I can > shoot more than three rolls worth on a single card, clear the card, and > start all over again. The card has paid for itself and then some having > used it to capacity just once. > > Storage and cost are no longer an issue > Storage and cost are _always_ an issue. 8- (that's a half-smiley) ----------------------------------------- Email sent from www.ntlworld.com Virus-checked using McAfee(R) Software Visit www.ntlworld.com/security for more information -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
