you NEVER want to use TCs with a zoom, image quality
is fair at best.
JCO
> -----Original Message-----
> From: Gregory L. Hansen [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, February 13, 2003 8:44 PM
> To: [EMAIL PROTECTED]
> Subject: 1/4x Teleconverters
>
>
> What's the deal with those tubes sticking out of the L converters? Are
> the S converters the normal ones for 35mm?
>
> I was looking at B&H's site. How much difference is there really between
> the Pentax 1.4x for $219.95, the Kenko 1.5x for $69, and the Tamron 1.4
> for AF for $49.95?
>
> I've read the TC should be matched to the lens. I suppose in the near
> term I'd be using them on the 28-90mm and the 80-320mm, seems silly to pay
> more for the TC than I did for the lens. The Kenko and Tamron have
> autofocus, but if I lose a stop on an f/5.6 lens that may not matter.
>
> --
> "A nice adaptation of conditions will make almost any hypothesis agree
> with the phenomena. This will please the imagination but does not advance
> our knowledge." -- J. Black, 1803.
>
