TeleVue 3.5" Clamp Ring Extension Tube  $65.00,Free Shipping,  Televue X3C-0009,Telescope Accessories Accessories, Cheap Prices
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TeleVue 3.5

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MSRP: $75.00
Sale Price: $65.00
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Tele Vue 3.5" Extension with Brass Clamp Ring X3C-0009

Item No. 704-60035
Manuf. No. Televue X3C-0009

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TeleVue 3.5" Extension X3C-0009 extends the length of 2" diameter focusing tubes on refractors by three and one-half inches. Includes brass clamp ring.. TeleVue 3.5" Extension includes brass clamp ring.

While described as a 3" extension tube in TeleVue's literature, the actual length of the tube is 3.5".

One end of this 2" diameter x 3.5" long extension tube fits into 2" focuser drawtubes. The opposite end is a 2" diameter eyepiece holder that uses a non-marring brass clamp ring to hold 2" eyepieces and accessories in place. The captive thumbscrew that tightens the clamp ring canýt be lost in the field. This extension tube makes up for the loss of light path photographically when a 2" star diagonal is removed from many scopes and replaced by a camera and camera adapter. TeleVue NP-101, TV-102, and Renaissance-102 scopes require both a 3" and a 2" extension tube in front of the camera adapter to reach proper photographic focus, so some experimentation may be called for to see if this tube alone is long enough for use with your particular telescope focuser.

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