One or two lenses (300/2.8?) require a filter "blank" (filters at the
back of the lens) to focus properly in the first place.
600mm FA f4.0, although I never shot without the filter in place so I have
no idea of the effect.
Kenneth Waller
----- Original Message -----
From: "Rob Studdert" <[EMAIL PROTECTED]>
Subject: Re: Re: D'oh
On 3 Apr 2006 at 6:57, mike wilson wrote:
One or two lenses (300/2.8?) require a filter "blank" (filters at the
back of the lens) to focus properly in the first place.
Not in the A*300/2.8 or any other of the long "recent" Pentax lenses that
I'm
aware of.
Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT) +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998
