My reading of the article referred to, and a couple of others in the same thread, is that the problem lies not with wide-angle lens, but with large apertures, where the light rays from the edges of the image-forming cone will subtend an angle which will not project any light onto the pixel in the CCD (because the pixel sits at the bottom of a well), and which may lead to light scatter within the light-box. Visualisation of the way the light is refracted onto the film-plane would seem to confirm this.
The solution may lie with changes to CCD manufacturing techniques, to eliminate the 'well', but there are others on this list far better qualified than I am to comment on this! John Coyle Brisbane, Australia On Monday, October 01, 2001 2:06 PM, Isaac Crawford [SMTP:[EMAIL PROTECTED]] wrote: > Here's a link describing a possible problem with the soon to be > released (we hope) MZ-S digital (and any other camera using a 24x36 > sensor). It seems as though there is more of a problem with wide angle > lenses than anything else, but the entire point of a 24x36 sensor is to > be able to use wide angle lenses! Well, I guess we can still take > advantage of DOF control and improved noise as long as we use longer > lenses... > > Isaac > > http://www.dpreview.com/forums/read.asp?forum=1014&page=3&message=1557193 > - > This message is from the Pentax-Discuss Mail List. To unsubscribe, > go to http://www.pdml.net and follow the directions. Don't forget to > visit the Pentax Users' Gallery at http://pug.komkon.org . - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
