I use the Pentax 1.4 X-S (on 70-210mm F & 300mm f4.5 FA) and 1.4X-L (on
600mm f4.0 FA) often and can't see any degradation at all.
Ken Waller
----- Original Message -----
From: John Francis <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, July 12, 2001 6:33 PM
Subject: RE: TC--I am frowning!
>
>
> > -----Original Message-----
> > From: Dave Weiss [mailto:[EMAIL PROTECTED]]
> > Sent: Thursday, July 12, 2001 2:51 PM
> > To: pentax-discuss
> > Subject: Re: TC--I am frowning!
> >
> >
> > Date: Wed, 11 Jul 2001 23:03:33 -0400
> > From: Tom Rittenhouse <[EMAIL PROTECTED]>
> > Subject: Re: TC--I am frowning!
> >
> > Tom said:
> >
> > Even the best tele-converters do not work well until you
> > stop the lens down quite a bit. If you stop the lens down to
> > f8 (gives f16 with a 2x converter) or smaller they usually
> > work ok.
> > - --Tom
> >
> > I just can't believe something with a Pentax label on it
> > could not cut the mustard! I thought the kt6-2x had a good reputation.
> >
> > If anyone has any examples on pug or other web site that used
> > a TC, could you email me and I could check it out?
>
> I've used the A 1.4-L with the A* 300/2.8. Even wide open it's
> hard to spot any image degradation; stop the lens down to f4 and
> there's no way you can tell there's a teleconverter being used.
>
> --
> John Francis . . . . . . . . . . (650) 429-4427
> MyWay.com 444 Castro St. Suite 101, Mt. View, CA 94041
>
> Hello. My name is Darth Vader. I am your Father. Prepare to die.
> -
> This message is from the Pentax-Discuss Mail List. To unsubscribe,
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>
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