----- Original Message ----- From: "Anthony Farr" Subject: Re: another istD issue
> Arnie, > > That's a "ghost image", a reflection from the front surface of one of your > lens elements onto the rear surface of the filter, and then back through the > lens in parallel with the desired image. It is most pronounced when a lens > has any uncoated elements, or the filter is uncoated. Thats more likely than my thoughts on it. I don't use filters a whole lot, so I don't get to see the downside of them very often either. His imbedded data indicated an FA 50mm f/1.4, but he didn't mention if he was using a filter. Arnie, can you clarify this? William Robb
