Tele Vue 3.5" Extension Tube for 2" Focusers

Tele Vue 3.5" Extension Tube for 2" Focusers

Tele Vue 3.5" Extension Tube for 2" Focusers

B&H # TE3ET MFR # X3C-0009
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Product Highlights

  • Made in the USA
$0.00 Tax Collected Outside NY and NJ

You Pay: $65.00

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Tele Vue X3C-0009 overview

  • 1Description

Tele Vue's 2" diameter extension tubes, available in 2" & 3.5" lengths, are handy for retaining the optical path length when replacing a star diagonal or when focus is moved out by eyepiece projection & Barlow photography. They accept 48mm filters and have anti-reflective threads & extra-long locking screws which aren't likely to fall out by accident. Tele Vue's adapters use a brass clamping ring to fully encircle the device you're attaching, as opposed to other's efforts which just use a set screw.

Table of Contents
  • 1Description

Tele Vue X3C-0009 specs

Packaging Info
Package Weight 0.5 lb
Box Dimensions (LxWxH) 5.75 x 3.25 x 3.25"

Tele Vue X3C-0009 reviews

3.5" Extension Tube for 2" Focusers is rated 4.5 out of 5 by 2.
Rated 4 out of 5 by from Just what I wanted for ED 80 f/7.5 600mm refractor Clean, solid, light. No wobble when inserted in OTA 2" draw tube. Thumb screws easily engage compression ring for secure no marring well centered holding. Would be 5-stars but for price. The ED 80 comes with a diagonal and lists an optional 2" extension for direct through viewing or astrophotography. Hand holding eyepieces I realized the 2" extension would just bring infinity into focus. For direct through terrestrial I would need more length and the extra 1.5 inches allows me to focus to under 40 feet on my scope.
Date published: 2018-06-01
Rated 5 out of 5 by from Extra-long (3.5) Extender Barrel 2 Diameter High quality 2 diameter, 3.5 in length with solid, no-wobble female compression fitting. Unusually long length is ideal for systems requiring deep back focus.
Date published: 2016-12-22
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