Message posted by lone wolf on June 16, 2004 at 0:37:34 PST:

On some cameras, the focusing screen goes black with telephoto lenses, so of course the same thing happens with a telescope. On the Nikon F3, you need to replace the focusing screen with the type "D" screen with the red dot on the side. [Sounds strange, but when you see one it makes sense.]

Screen:

Focusing tip showing the DW4.

In Reply to: Re: Telephotography posted by lone wolf on June 15, 2004 at 18:45:06 PST:

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