----- Original Message ----- From: "Herb Chong" Subject: Re: wide angle filter question
> have to be careful. some rings move the filter forward. Thats why the next size up. If it's a really wide, like a 17 or 20mm, she could even go to an 82mm step up. At this point, she could probably stack a couple of filters if need be, and use a lens hood. All the stepping rings that I own do move the filter forward by a couple of mm, or whatever the thickness of the ring is. William Robb > > > > You could circumvent the issue entirely by getting a 72-77 step up ring > and > > using 77mm accessories on the lens. > > > >

