On Wed, Jun 22, 2005 at 10:41:32AM -0400, Collin Brendemuehl wrote:
> Any favorites or criticisms in this area?
> Many raved about the Sigma APO on film.
> Has it been evaluted on digital?
> How of the standard, non-APO, verison?
>
> Sincerely,
>
> Collin
I've used the standard Sigma 1.4x with my 80-200/2.8 for several
years now, both on film and on the *ist-D. I'm breaking so many
rules there (TCs on a zoom - shocking!), but it works well.
Another surprisingly good performer is the Pentax 1.7x AF adapter.
Here's a shot from this weekend (AF adapter + A300/2.8):
<URL:http://panix.com/~johnf/temp/justin.jpg>