----- Original Message ----- From: "Bob Meyer" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, August 24, 2004 7:23 PM Subject: Re: Sigma Lenses on EOS digital
> > --- Wolfgang Spekner <[EMAIL PROTECTED]> wrote: > > > I heard some rumors that Sigma lenses have problems > > on digital EOS cameras. > > I'm deciding between the Sigma EX 18-50/2.8 and the > > new EF-S 17-85. Anybody > > of you uses the Sigma lens and has some experience > > to share? > > The real answer is that *some* Sigma lenses have had > problems on some EOS bodies. Canon has done a very > good job, whether intentional or not, of changing the > details of the communications protocol between lens > and body so that older Canon lenses continue to work > on new bodies, but older Sigma lenses don't. > > Every current Sigma lens will work fine on a 10d, 1d > II, or any other current body. What there's no way to > know is whether they will work correctly on the 20d. > Sigma has, however, been very good at upgrading recent > lens to work with new Canon bodies when Canon "breaks" > them. Were you to buy a Sigma lens today, and find it > doesn't work on a 20d, you can be pretty confident > that Sigma will fix it for you. > > I'm not sure the lenses are really that comparable > though. What you really need to think about is your > priorities: A fast f2.8 lens vs. a slow lens with IS. > Speed vs. focal length range. And, of course, optical > performance, which we can't answer yet. > > Personally, I'd be torn. I like the longer telephoto > range of the Canon lens, but on a recent trip to Japan > I got a lot of shots indoors with a 17-35 2.8 that > would have been difficult with a slower lens. What I > really want is an 18-70 2.8-4.0. I'd pay serious money > for that an L quality lens of that spec. > > ===== > Bob Meyer > I don't suffer from insanity... I enjoy every minute of it. > > > > > __________________________________ I'll be interested to see if my Sigma 15mm Fisheye and 17-35mm f2.8-4 EX HSM work on the 20D. They worked on every other Canon body I've had, from my A2 to my wife's 10D... Skip Middleton http://www.shadowcatcherimagery.com * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
