On 17 May 2010 08:15, M.L. wrote: > On Fri, May 14, 2010 at 6:53 PM, Vitaliy wrote: > >> A question for Russell et al. :) >> >> Say you have a small object (about the size of a postage stamp) that you >> are >> trying to photograph at high resolution. You can get it all in focus using >> a >> large aperture setting (say, 14) but it comes out sort of blurry/noisy. >> When >> you use a small aperture setting (say, 4) you can get really sharp details, >> but the depth of field is so narrow, that in 3/4 view you can only get a >> part of the object in focus. >> >> Of course, you can move the camera back, but then you don't get the high >> resolution. >> >> Short of photographing the front, middle, and back, and stitching them >> together in Photoshop, what are the options? >> >> Thank you in advance. >> >> Vitaliy >> > > > Use a small aperture and leave the shutter open for a longer period of time. > If the image is junk then it's your camera (since you already said it's on a > tripod with a remote shutter release.) > > It is also possible that you have your ISO setting too high. It should be > lower for less noise. > > And yes, if you want to send me a RAW file that would help me diagnose your > problem. > > -- > Martin K. > -- Which gives another possibility to the problem - if the egdes are nice and sharp, could a high level of (JPEG ?) compression be adding visible artifacts to the picture? I haven't seen (or don't remember) any comments about picture format or compression in this thread. It would be really useful to see an image. RP -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist