Kenneth Waller
http://www.pentaxphotogallery.com/kennethwaller
----- Original Message -----
From: "Larry Colen" <[email protected]>
Subject: Re: FS: 'Telephoto Lens Viewer'
On Jan 27, 2011, at 1:14 PM, <[email protected]> <[email protected]>
wrote:
At least that's what the instruction sheet calls it.
Turns screw mount Pentax lens into a telescope.
Sounds like fun. How is it different than putting the lens on a camera to
use as a telescope? More magnification?
More magnification - the instruction sheet says to devide the lens focal
length by 10 to get the power of magnification - a 300 mm lens with this
'viewer' will yield 30 power magnification.
--
Larry Colen [email protected] sent from i4est
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