On Mer, 1 apr 1998 8:58, J. Williams <mailto:williams@xxxxxxxxxxxxxxxx>
wrote:
>Hi, I have some questions I would like to get advice on. I'm breaking
>this into a couple of parts:
>
>How significant is using teleconverters on lenses other than the
>recommended ones? I have a 300mm and I am considering buying the 2X (I
>already have the 1.4X); any opinions?
>
Off brand 2X are generally well fitted for *all* lenses. Only beware if you
use an OM-4 or 30 (danger of cutting the dent on mount flange). And of
course the best are 6 or 7 lenses MC ones. Macro ones can be less "firm" on
long teles.
>
>I find the 300mm hard to focus at infinity (since it focuses past
>infinity) with the 1-10 grid screen. Any recommendations for a better
>screen to use?
In the 1- series the astro screen is the 1-8, but also the 1-6 and 1-7 are
better than the 1-10 (it is fs? I would like it very much). In the 2-
series dunno, but I think they are *all* better for this task, because
brighter.
Marco
mailto:tom@xxxxxxxxxxxx
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