> > From: "Aaron Reynolds" <[EMAIL PROTECTED]> > Date: 2006/02/07 Tue AM 01:41:00 GMT > To: pentax-discuss@pdml.net > Subject: Re: mirror/cat lenses > > Thanks for those suggestions, though I was looking more for information on > the look of cat lenses -- I want a different look to some of the images from > the Sigma 300 f4 or the A* 200 2.8 with a 1.4x TC (effectively a 280 f4). I > don't so much need a cheap solution as -appreciate- a cheap solution.
The images will probably have lower contrast. > > Does anyone around Toronto with a cat lens want to swap lenses for a few days? > > -Aaron > > -----Original Message----- > > From: Godfrey DiGiorgi <[EMAIL PROTECTED]> > Subj: Re: mirror/cat lenses > Date: Mon Feb 6, 2006 1:46 pm > Size: 1K > To: pentax-discuss@pdml.net > > > On Feb 6, 2006, at 10:27 AM, [EMAIL PROTECTED] wrote: > > > Reportedly even better than the F 100-300 and just as inexpensive > > is the FA 80-320/4.5-5.6. I shot Mr. Bear with that lens at 320mm. > > He's here: > > http://www.photo.net/photodb/photo?photo_id=3113513 > > Great shot! > > I did test comparisons between the FA80-320/45.-5.6, the A70-210/4 > Macro and the F100-300/4.5-5.6. Both the FA80-320 and the A70-200 > were better performers wide open. By two stops down the differences > were small, beyond that they were effectively identical down to the > start of diffraction. > > Of the two AF lenses, I prefer the F100-300 for its internal zooming > mechanism. I feel that it is more likely to stay in alignment due to > the weight of the 80-320's telescoping section. The F100-300 stays a > fixed length other than for the focusing operation of the forward > lens group, which I also find more convenient. F80-320 prices have > typically been closer to $130-140 vs $85, but both are so inexpensive > for their focal length range as to be inconsequential. > > It's horses for courses. I rarely use lenses over 100mm (have the > FA135 for most of that!), and when I use the F100-300, it's usually > stopped down and on a tripod. The F80-320 would be better for hand- > held work wide-open. > > Godfrey > > > ----------------------------------------- Email sent from www.ntlworld.com Virus-checked using McAfee(R) Software Visit www.ntlworld.com/security for more information
