RE: late performance

2004-02-26 Thread Winston
of the time I use my 180/2.8 at f2.8-5.6.. I just remembered that even my F300/4.5 is superb already at f/5.6! -Original Message- From: Kostas Kavoussanakis [mailto:[EMAIL PROTECTED] Sent: Thursday, February 26, 2004 4:41 PM To: [EMAIL PROTECTED] Subject: Re: late performance On Wed, 25 Feb

late performance

2004-02-25 Thread edwin
From: Winston [EMAIL PROTECTED] I'll second that. 43 is an excellent lens, it's just that the optimum performance comes 'late' at f/8-f/11. I get the impression that this is fairly typical for Pentax designs. Is this because they use fairly simple and traditional optical formulas, or perhaps

Re: late performance

2004-02-25 Thread Rob Studdert
On 25 Feb 2004 at 15:26, [EMAIL PROTECTED] wrote: Most modern Nikon lenses seem to peak about f/5.6-f/8.0 which is a better fit for me--I rarely see f/11! With few exceptions, most lenses are pretty nasty both wide open and fully stopped down (due to diffraction). Most modern Pentax lenses

RE: late performance

2004-02-25 Thread Winston
PROTECTED] Subject: late performance From: Winston [EMAIL PROTECTED] I'll second that. 43 is an excellent lens, it's just that the optimum performance comes 'late' at f/8-f/11. I get the impression that this is fairly typical for Pentax designs. Is this because they use fairly simple and traditional