Re: 300/5.6 CAT

2004-11-28 Thread Andre Langevin
> Anybody know if any one makes a good 300/5.6 CAT? How about a Pentax 300/5.6 ? http://www.cetussoft.com/pentax/mirrors/30056.jpg Or, a Pentax 500/8 ? http://www.cetussoft.com/pentax/mirrors/5008.jpg Fred The Pentax 300/5.6 is a disaster. It was meant to be used as an angled spotting sc

Re: 300/5.6 CAT

2004-11-28 Thread Frantisek
F> I wouldn't be surprised. I think that the Tamron SP 500/8 is the F> best 500 Cat I've ever used (and the only 500 cat I still have). F> My three favorite cats are the VS1 450/4.5 Aspheric Cat, the Tamron F> SP 500/8 cat, and the VS1 600/8 Solid Cat. In an old test I might still have hidden so

Re: 300/5.6 CAT

2004-11-28 Thread Fred
> AFAIK I have read good things about the Tamron SP 350/5.6 > catadioptric, but I never tried it myself. I wouldn't be surprised. I think that the Tamron SP 500/8 is the best 500 Cat I've ever used (and the only 500 cat I still have). My three favorite cats are the VS1 450/4.5 Aspheric Cat, the

Re: 300/5.6 CAT

2004-11-28 Thread Fred
> Anybody know if any one makes a good 300/5.6 CAT? How about a Pentax 300/5.6 ? http://www.cetussoft.com/pentax/mirrors/30056.jpg Or, a Pentax 500/8 ? http://www.cetussoft.com/pentax/mirrors/5008.jpg Fred

Re: 300/5.6 CAT

2004-11-28 Thread WKato
Tamron makes a pretty good 350/5.6 that's only about 3 inches long. Warren

Re: 300/5.6 CAT

2004-11-28 Thread Peter J. Alling
"parts", couldn't resist. All it needed was a good cleaning. Major PITA on a CAT, I discovered. :-( Actually even clean it's still a terrible lens, but BOY oh BOY is it fun! Tiny, and really LONG on the D. Anybody know if any one makes a good 300/5.6 CAT? Don -- I can unders

Re: 300/5.6 CAT

2004-11-28 Thread Frantisek
Hi Don, as I understand it, due to the optical arrangement proper alignment of a catadioptric or pure mirror lens is very sensitive to error. As the optical path is folded upon itself so much, a slight aligning error gets magnified several times. That surely doesn't help in building a good cat le

300/5.6 CAT

2004-11-28 Thread Don Sanderson
BOY is it fun! Tiny, and really LONG on the D. Anybody know if any one makes a good 300/5.6 CAT? Don