Tele Vue-NP101is Telescopes > Tele Vue-NP101is > Specifications
TV – NP101is
TypeAPO (Nagler-Petzval) Refractor
(Elements/Groups: 4/2)
Objective (mm)101
Focal Length (mm)540
Focal Ratio (f/#)5.4
Length OTA (inch)25.5
Length with diagonal (inch)28.5
Weight OTA/Std. Config (lbs)10.7 / 10.7
Drawtube/Focuser2.4-inch, Focusmate dual-speed rack/pinion
Maximum Visual Field (deg.)4.9 (with 2-inch 55mm Plössl or 41mm Panoptic)
Maximum Recommended Power (x)250
Tele Vue Eyepiece PerformanceView Eyepiece Chart
Included Accessories
TV - NP127is & TV - NP101is
  • Enlarged focuser with 3" entrance aperture and 2.4" exit aperture
  • Focuser body has brass clamp ring with 2-lock knobs
  • Accessory end-ring with tilt capability and 3-lock knobs
  • Imaging insert threaded for Imaging System components.
  • 2" accessory insert for visual or other 2" accessories
  • Focusmate dual-speed focuser 10:1
  • Sliding metal dew shield
  • Screw-on metal lens cover
  • Hard-shell carry case
NP101/NP101is Hard Case Features and Specs.
Recommended Accessories
TVP-4058: NP101is Accessory Pkg.
Product List
TV – NP101is
NPI-4057 TV-NP101is OTA
Telescope Accessory Packages
TVP-4058 NP101is Accessory Pkg.

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