Oh yep that's for sure. I assume if they give you a rear filter that more or less means goodbye to front filters.. I didn't think they even had threads in front!
Ryan ----- Original Message ----- From: "Herb Chong" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, December 07, 2003 10:15 AM Subject: Re: Shopping for an ultrawide.. any advice? > no, i don't have the current one. i have a 15-30. i'd say that any Sigma > lens that provides a rear filter holder will vignette at least moderately > with any filter you can put in front remotely close to 82mm. you will have > to go much larger than 82mm not to have that happen. however, since you are > interested in film use, 20mm is pretty wide and there are lots of choices > there where you can put filters in front. there is no way to put a filter in > front of the 15-30 on a film camera without severe vignetting. on the *istD, > only a slim filter won't vignette enough to matter. a regular filter > vignettes a lot and you can forget the Cokins. if you can find the Tokina > 17mm manual focus prime, it's not too bad and you can put a 67mm filter on > it. > > Herb... > ----- Original Message ----- > From: "Ryan Lee" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Saturday, December 06, 2003 7:01 PM > Subject: Re: Shopping for an ultrawide.. any advice? > > > > Hi Herb, > > > > It's for film. I haven't been fortunate to be digital enabled yet. About > > filters, wideangle and vignetting, I know you probably won't be able to > > stack more than 1, but the filters I'm looking at have slim versions for > > wideangle, so I'm assuming that if there is vignetting, it'll be minimal. > > You say the newer Sigma 17-35- have you got experience with the current > one > > (82mm)? > > >
