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Televue Big Paracorr Type 2


Quick Overview

Televue Big Paracorr Type 2 - a 3" version of the TeleVue Type 2 Paracorr for both visual and imaging use.
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The Televue Big Paracorr Type 2 is just that - a larger 3-inch Paracorr for use with large Newtonian/Dobsonian instruments.

Designed by TeleVue's Paul Dellechiaie, the TeleVue Big Parracorr Type 2 extends the Paracorr type 2's optical benefits for imaging applications by amateurs and professionals using CCD formats as large as 52mm diagonal and paraboloids as fast as f/3. Back focal length has been extended to 80mm to allow for additional accessories to be placed in the optical path. The 5.1" length optical assembly is topped with a "stop" flange having 3.40"-24 pitch threads to mount camera adapters and spacer tubes (available separately).

For dual-purpose photo/visual scopes, a "VISA" adapter (Visual / Imaging System Adapter) accepts the tunable top from the standard Tele Vue 2" Paracorr Type-2. The 2" format is fine visually since secondary mirror size limits maximum exit pupil diameter to around 7mm. The widest true field eyepiece choice with an f/3 (f/3.45 when used with Paracorr) is, therefore, Tele Vue's own 21mm Ethos which delivers a 6.1mm exit pupil at f/3.45.

If you have a 35mm format DLSR or CCD camera, the "VISA" adapter accepts Tele Vue Imaging System accessories.


weight 1.5 lbs.
barrel fits 3" focusers
eyepieces accepted 2" or 1¼"
(requires adapter
& tunable top)
mag. (Barlow) effect 1.15x
Back Focus 80mm
Base to flange 5.125"
Flange specs 3.40" x 24 TPI

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