In a message dated 7/24/2002 4:25:04 PM Pacific Daylight Time, [EMAIL PROTECTED] writes:
> All lenses do optically vignette however some are more obvious than others. > For > example ultra-wide lenses particularly symmetrical designs where the rear > element is close to the film plane (Like the CZ Hologon) exhibit very > visible > natural light fall off. Exactly. This is why lens tests usually show stronger illuminaion near the center of the lens than the edges. It makes sense that a lens design with a rear element close to the film plane has noticeable fall-off, especially in a wide angle lens. -Brendan MacRae - 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 .
