Perry,
I've used it to good advantage with the 200/4 lens on shore birds.
In bright light, any f4 lens seens to do well with it.
If I can find the pictures, I'll post some samples.
Regards, Bob S.

On 9/1/07, P. J. Alling <[EMAIL PROTECTED]> wrote:
> This was taken with the A*300mm f4.0 and F 1.7x converter. It wasn't the
> brightest day, (conditions were somewhere between "cloudy bright" and
> overcast, I've found that the 1.7x auto focuses nicely with lenses with
> maximum apertures down to f4.0 under most conditions.
> (it's really hard to get good exposures of these birds in bright sunlight).
>
>
>
> Perry Pellechia wrote:
> > On 9/1/07, Digital Image Studio <[EMAIL PROTECTED]> wrote:
> >
> >> On 02/09/07, Perry Pellechia <[EMAIL PROTECTED]> wrote:
> >>
> >
> >
> >> Nice find, I bought one of mine at a similar price, the current prices
> >> that they often acheive at auction these days seems absurd as
> >> compared. Interestingly the current Pentax lens catalogue from Japan
> >> indicates that they are still a current product.
> >>
> >
> > If they are available I am surprised that no one from Japan is selling
> > them on eBay.  They would probably be able to turn a good profit with
> > the prices they go for now.
> >
> >
> >>> BTW, Any recommendations for a inexpensive 200mm lens to mate up with the 
> >>> TC?
> >>>
> >> Cheap no, it loves f2.8 lenses, anything slower and the AF may become
> >> a bit flaky in anything but great light.
> >>
> >
> > That's what I was afraid of.  It seems to work very well with my
> > Tamron 90mm/F2.8.  I do not have many other MF lenses where a TC makes
> > sense.
> >
> >
>
>
> --
> Remember, it's pillage then burn.
>
>
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