I think I may have an old AP lens test that includes the Sigma 18mm if interested, IIRC titled 'superwide shootout' includes some other really well respected wides including Pentax.
John ---------- Original Message ----------- From: "Greg Lovern" <[EMAIL PROTECTED]> To: [email protected] Sent: Mon, 17 Jan 2005 12:49:42 -0700 (MST) Subject: Re: Sigma 18/3.5 - anyone familiar with this lens? > I've had a Sigma 18/3.5 for about a year. I'm happy with it, though I > assume a Pentax equivalent would be better. > > It replaced my old Kiron-made, screwmount Vivitar 20/3.5. In my > non-scientific tests, sharpness was about the same between those two > lenses, given the same aperture. A little soft wide open, but fine > at f5.6 or smaller. Of course, the Sigma's FOV is a bit wider. With similar > sharpness, I was happy to have the Sigma's modern conveniences (it's > an 'A'), wider FOV, and tulip hood. > > I only use the Sigma 18/3.5 for film. On my *ist D, I believe my DA > 16-45 is better at 18, though I haven't tested that. > > Mine was US$100 new-in-box on eBay, and I've seen a used one sell there > for a little less. I wasn't able to find any tests, reviews, > recommendations, or any other information on it before buying. I'm > glad I took a chance on it. > > Greg > > > Date: Mon, 17 Jan 2005 15:42:36 +0000 > > From: [EMAIL PROTECTED] > > To: [email protected] > > Subject: Sigma 18/3.5 - anyone familiar with this lens? > > > > Hi! > > > > I am enabled myself with Sigma 18/3.5 which is to arrive soon. I wanted to > > know > > what fellow list members have to say about it. I realize it is not Pentax > > 18/3.5 but still, I want to ask my question :). > > > > Thanks. > > > > Boris ------- End of Original Message -------
