101mm, f/5.4 APO (Nagler-Petzval) Refractor - Imaging/Visual.
Based on exemplary wide field and planetary visual scopes with added features to make imaging easier and more flexible.
4.9° / 250x (Max. Visual Field / Max. Rec. Power)
Tele Vue-NP101is
TeleVue.com: Telescopes > Tele Vue-NP101is > Specifications
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Specifications
TV – NP101is
Type APO (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/Focuser 2.4-inch, Focusmate dual-speed rack/pinion
Maximum Visual Field (deg.) 4.9 (with 2-inch 55mm Plössl)
Maximum Recommended Power (x) 250
Tele Vue Eyepiece Performance View 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 4-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
