> nikon-digest Wednesday, December 16 1998 Volume 04 : Number
160
> ------------------------------
>
Hi. I have a TC-16A which I use occasionally on my 300 f4.0 AF. Most
recently I used this combination for a skydiving competition (from the
ground). I was very pleased with image quality and will continue to use the
two together. Hope this helps. Regards, Chuck
> Date: Tue, 15 Dec 1998 09:46:42 -0500
> From: "John N. Wall" <[EMAIL PROTECTED]>
> Subject: Re: TC 16A [v04.n160/33]
> Message: 33
>
> The TC 16A is compatible with the N90s and, according to the original
> instruction manual, with the 180mm f 2.8.
>
> I'm not sure about the 300 mm f4. The TC 16A instruction manual does not
> mention the 300 mm f 4 specifically as a compatible lens (it does
> mention the 300 mm f 2.8 as a compatible lens).
>
> The Advanced Nikon System book says that the TC 16A will AF with lenses
> of f 3.5 or faster but is mechanically compatible with all focal lengths
> of mechanical lenses. My guess is that the reason the 300 mm f4 is not
> included in the compatibiluity list is that it is slower than f 3.5.
>
> On the other hand, my TC 16A will AF great with my 70-210 f4 lens and
> other lenses slower than f 3.5 so my guess is that Nikon is being
> cautious here and that the TC 16A would work fine with the 300 f4. But
> that is just a guess.
> Best,
> John Wall
> - --
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