----- Original Message ----- From: "Amita Guha" Subject: wide angle filter question
> Yesterday I picked up a standard Promaster 72mm UV filter to protect my > new wide-angle lens. Then I went on the B&H site and I noticed that > Tiffen makes filters specifically for wide-angle lenses. These lenses > are very thin and don't have a front thread. > > Is it critical to use a very thin filter on my 17mm lens? I want the > front thread because I need to use a hood. You could circumvent the issue entirely by getting a 72-77 step up ring and using 77mm accessories on the lens. William Robb
