On 27 Oct 2005 at 22:49, Tom C wrote: > Across the board, I see the dust most often in wide expanses of the > composition that very little in tone and color... sky... clouds... usually.
Generally you need an expanse of some area colour to see particles on the sensor but in all cases you'll find that anything there becomes more prevalent as the aperture is closed down. If you want a real shock shoot an evenly illuminated surface at various apertures then use the PS autolevels function to stretch the histogram. Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
