> That combination DOES suffer a bit from chromatic-abberations in > high-contrast scenes, but that is not just the TC, the lens does that > all by itself as well
I thought it was APO? shouldn't have chromatic-abberation should it? John ---------- Original Message ----------- From: "Jan van Wijk" <[EMAIL PROTECTED]> To: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> Sent: Tue, 14 Sep 2004 12:09:03 +0200 (CDT) Subject: Re: wide-only-and wide-to-normal zooms (and ultra-long primes) > Hi John, > > On Tue, 14 Sep 2004 01:05:47 -0400 (EDT), John Francis wrote: > > > > >I'm really glad to see this discussion. As I've described in another thread, > >I have run into a slight problem with my current long telephoto setup, and > > I have been using the A* 300mm f/2.8 with the 1.7AF too, > and have not been bothered by the 'central sensor' only. > However, that is simply my style of shooting anyway. > > But it IS a heavy beast for sure. > > >might want to consider enabling myself with an AF 300 or 400 mm lens. I'm > >also considering being kind to myself and my aging legs, and settling for > >a 300/f4 or a 400/f5.6; these could also share filters with the 80-200/f2.8 > > I got myself a slightly beaten up (Pentax-NL DEMO model) FA* 400mm f/5.6 > and must say I really love it. I have been shooting a lot of hand- > held with that on the *istD, as well as monopod or tripod usage. > > It is light, focuses pretty fast (and amazingly close for a 400mm). > > It is much like the FA* 200mm f/2.8, just a bit longer and with a > tripod mount. > > >As another poster has mentioned, a 300 with a 1.4x TC could be tempting. > > I do have the Sigma 1.4EX but have not used it on the FA* 400 yet due > to a mechanical problem that hit the 1.4 TC a few months back ... > > I have been using it with the Sigma 70-200mm f/2.8 EX zoom and it > works fine there, without much quality loss. > That combination DOES suffer a bit from chromatic-abberations in > high-contrast scenes, but that is not just the TC, the lens does that > all by itself as well :-) > > Regards, JvW > > ------------------------------------------------------------------ > Jan van Wijk; http://www.dfsee.com/gallery ------- End of Original Message -------
