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Televue NP101is 101mm Refractor Telescope with 2 Speed Focuser, Open Box

Please reference the Item
Evaluation for all included items.
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Item Evaluation:

MPN (Box/Item): NPI-4057
Included Items: Telescope, Hard case, Accessory adapter
Required Batteries: No
Package Condition: Open damaged packaging
Product Condition: NO damage
Functionality: Works

Product Info:

The TeleVue NP101is Imaging System is a modified version of the TeleVue-NP101 Telescope . TeleVue Scope NP101is has 2.4" focuser that permits use of a larger draw tube that does not vignette the field rays exiting the rear elements of the objective. This draw tube also permits quick change from visual to imaging operation and allows full camera rotation without focus change. The focuser integrates a 6:1 reduction drive called the Focusmate, which allows the precise control required to focus a CCD camera on an f/5.4 system. Also the focuser on the Tele Vue NP101is has a unique tilt adjustment that allows you to square any CCD digital camera to the scope's optical axis.

Whether you are interested in terrestrial nature studies, astronomical rich-field or planetary observing, or photography of the earth and skies, just put in an optional star diagonal and eyepiece or attach a digital camera and the TeleVue Imaging System is ready to satisfy your observing desires right out of its case. In addition, NP-101is Imaging System is easy to set-up that will make it a scope you will use often.


Clear Aperture:     4 inches (101mm)
Focal Length:     540mm
Focal Ratio:     f / 5.4
Magnification:     10x to 270x using Tele Vue eyepieces
Resolution (visual):     1.1 arc-sec. (Dawes limit for a 4" aperture)
Resolution (photographic):     267 line pairs per mm
Maximum visual field:     4.9 degrees at 10x
Focuser:     2.4 inch
Weight:     10.6 lbs (tube assembly), 19 lbs in case
Tube:     Powder-coated aluminum
Length:     26 inches (OTA only)

Customer service hours are 7A-3PM CST Monday-Friday.  Any questions after hours will be answered promptly the next business day.

Filed under: Eyepieces & Accessories