the L versions require the rear lens element to be considerably in front of
the mount plane. they work on very few lenses without interference,
primarily the A* lenses 300mm and longer.
Herb...
----- Original Message -----
From: <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, September 05, 2005 4:10 AM
Subject: Pentax TC's on Sigma Tele's & DA 50-200 question
Hey gang.
Just wondering if anyone has used the Pentax A2XL Tele on Sigma lenses. I
now Christian
suggested to
use the Sigma APO EX 1.4 with my Sigma 300 F4, but i have to ask.:-)
I'll also include the A1.4 XL in that quiry.