That's good to know about the curved filters. I usually just take filters off when doing such shooting. I'll have to look into getting some of those.
Dave -----Original Message----- From: Dario Bonazza [mailto:[EMAIL PROTECTED] Sent: Friday, October 29, 2004 7:39 AM To: [EMAIL PROTECTED] Subject: Re: Is Tamron 28-75mm better than Pentax 24-90mm? Reflections of bright lighs showing central symmetry are usually caused by the flat filter in front of the lens. You encounter such problems very often when doing nighttime photography. That was the reason for developing ghostless filters, which are curved. Dario

