T3D Re: camera focal lengths

[erker@xxxxxxxxxxxxxx (Greg Erker)]

[resending. 1st one didn't appear to make it.]

>And this brings us to RBT cameras.  There aren't any fixed-
>focal length 70 mm lenses on the market that I am aware of
>but one option on an RBT is a zoom which includes 70 mm.
>Another option is fixed 50 mm lenses of good quality which
>ought to be great in a hand viewer.  But getting back to the
>zoom lens, what is the distortion like at 70 mm?  I wouldn't
>be very interested if the distortion is more than 1 or 2%.
>Anyone have one of these things?  Anyone tested it?

  Has anyone tried a 50mm lens with 1.4x teleconverter?
I would expect this would give better results than a
zoom lens.

Greg E.



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