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Tele Vue NP101is Nagler-Petzval APO Refractor Telescope OTA - NPI-4057

SKU: TLV-NPI-4057

Regularly stocked item that is on order with the manufacturer and on its way to our warehouse. Expected to arrive within 5-10 business days.

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Tele Vue NP101is Refracting Telescope OTA




  • TeleVue NP101is Refracting Telescope delivers exemplary wide field and planetary visual capability on an ever so fast scope

  • The NP101is has a new draw tube which permits quick change from visual imaging operation allowing full camera rotation without focus change

  • TeleVue's NP101is has added features to make imaging more flexible and easier

  • NP101is has larger rear lens groups which minimize vignetting in formats up to 50 mm diagonal




TeleVue's NP101is Refracting Telescope has pushed the boundaries of APO refractors once again. This "is" version retains the exemplary wide field and planetary visual capability while adding new features to make imaging easier and more flexible. By applying the already well craft features of the TeleVue 60is to the new NP101is, this refracting scope operates as perfect as possible for imaging up to 50 mm diagonal chips without penalty to its near ideal visual operation.



The NP101is maintains optical specifications but are redesigned with 4-element optical systems. Using larger lens groups helps minimize vignetting in formats up to 50 mm diagonal. For these large chips an optional field corrector was developed so the corners of the newly brightened edges would virtually be as perfect as the center of the field. TeleVue developed a larger draw tube and focuser having a 3" front aperture and 2.4" rear aperture. This feature helps eliminate any restriction of the larger diameter converging light cone. Also, the new draw tube permits quick change from visual to imaging operation. This allows full camera rotation without focus change. The draw tube has four lock screw that tighten against a taper on the "imaging insert" ring which help maintain squareness to the optical axis when changing camera orientation.



The 10:1 dual speed focuser customer designed by Starlight Instruments provides extremely sensitive focus adjustment, measurable with the optional Digital Micrometer Kit to better than 1/10,000". Permitting electronic motor control of the focusing process is possible with the optional Focusmate Driver. This driver has an adjustable speed and direction push-buttons. Just one simple tap of the button permits vibration-free focusing steps as small as approximately 0.0005". The Focusmate Driver can be remotely compter controlled with optional Focusmaster Computer Interface.




Some features of the NP101 Imaging System include dual speed knobs on the right side of the scope only, knobs with knurled rubber grip rings, new draw tube permitting quick change from visual to imaging operation and allowing full camera rotation without focus change, large focuser and draw tube, and inserted thread to accept TeleVue's new Imaging System accessories. All together this product makes for great observation with the utmost technological and creative advances.

Description
Description

Tele Vue NP101is Refracting Telescope OTA

  • TeleVue NP101is Refracting Telescope delivers exemplary wide field and planetary visual capability on an ever so fast scope
  • The NP101is has a new draw tube which permits quick change from visual imaging operation allowing full camera rotation without focus change
  • TeleVue's NP101is has added features to make imaging more flexible and easier
  • NP101is has larger rear lens groups which minimize vignetting in formats up to 50 mm diagonal

TeleVue's NP101is Refracting Telescope has pushed the boundaries of APO refractors once again. This "is" version retains the exemplary wide field and planetary visual capability while adding new features to make imaging easier and more flexible. By applying the already well craft features of the TeleVue 60is to the new NP101is, this refracting scope operates as perfect as possible for imaging up to 50 mm diagonal chips without penalty to its near ideal visual operation.

The NP101is maintains optical specifications but are redesigned with 4-element optical systems. Using larger lens groups helps minimize vignetting in formats up to 50 mm diagonal. For these large chips an optional field corrector was developed so the corners of the newly brightened edges would virtually be as perfect as the center of the field. TeleVue developed a larger draw tube and focuser having a 3" front aperture and 2.4" rear aperture. This feature helps eliminate any restriction of the larger diameter converging light cone. Also, the new draw tube permits quick change from visual to imaging operation. This allows full camera rotation without focus change. The draw tube has four lock screw that tighten against a taper on the "imaging insert" ring which help maintain squareness to the optical axis when changing camera orientation.

The 10:1 dual speed focuser customer designed by Starlight Instruments provides extremely sensitive focus adjustment, measurable with the optional Digital Micrometer Kit to better than 1/10,000". Permitting electronic motor control of the focusing process is possible with the optional Focusmate Driver. This driver has an adjustable speed and direction push-buttons. Just one simple tap of the button permits vibration-free focusing steps as small as approximately 0.0005". The Focusmate Driver can be remotely compter controlled with optional Focusmaster Computer Interface.

Some features of the NP101 Imaging System include dual speed knobs on the right side of the scope only, knobs with knurled rubber grip rings, new draw tube permitting quick change from visual to imaging operation and allowing full camera rotation without focus change, large focuser and draw tube, and inserted thread to accept TeleVue's new Imaging System accessories. All together this product makes for great observation with the utmost technological and creative advances.

Specifications
Specifications
Model Number NPI-4057
Telescope Series Tele Vue Nagler-Petzval APO
Focal Ratio f/5.4
Optical Design Refractor
Telescope Aperture 101mm (3.98")
Telescope Mount Type No Mount - OTA Only
Type of Electronics OTA Only - No Electronics
Number of Refractor Elements 4 (Quad)
Focal Length (mm) 540
Highest Useful Magnification 250x
Focuser Style Rack & Pinion
Focuser Size 2.4"
Focuser Speed Dual Speed
Telescope OTA Length (in.) 25.5
Telescope OTA Weight (lb.) 10.7
Warranty Five (5) Years
What's in the Box?
What's in the Box?
  • Tele Vue 101 mm Nagler-Petzval APO Refractor Telescope OTA - Ivory
  • Brass Clamp Ring with Two Lock Knobs on Focuser Body
  • Enlarged 2.4" Focusmate Dual-Speed 10:1 Rack & Pinion Focuser with 3" Enterance Aperture
  • 2" Accessory Insert for Visual Accessories
  • Accessory End-Ring with Tilt Capability and Four Lock Knobs
  • Imaging Insert Threaded for Imaging System Components
  • Screw-On Metal Lens Cover
  • Sliding Metal Dew Shield
  • Hard-Shell Carry Case
Files
Files
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