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Jims Mobile (JMI) NGT 12.5 Inch Newtonian

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Q1: Nice! Do you lose collimation at all when you rotate the nose of the scope? That seems to be a very neat feature.

A: No, really about the only way that you would need to collimate it is if it took some pretty hard knocks.

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Jims Mobile (JMI) NGT 12.5 Inch Newtonian

Item# JSMM019

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Description

Specifications

Guarantee

Reviews

What is a Next Generation Telescope?

The Next Generation Telescope (NGT) is a uniquely designed equatorial Newtonian. It features a low profile, a split-ring equatorial drive, an open Serrurier truss rod design, a rotating nose assembly, compact size and JMI's celebrated quality construction. The NGT is a revolutionary instrument that has won awards and acclaim throughout the world. It is currently available in a 12.5" (f/4.5) aperture only.

NGT-12.5 Features

Open truss Newtonian

Split-ring equatorial mount

Rotating nose assembly

Built-in azimuth adjusting plate for easier polar alignment

Compact size

Fast one-man assembly

Removable ring assembly allows greater disassembly with the largest component weighing 40 lb.

Sidereal, Lunar, Solar and King tracking rates with both Northern and Southern hemisphere operation

Dual control drive corrector with 0.3x / 0.5x / 2x / 4x / 8x / 16x correction

CCD autoguider compatible

Battery and AC power

Adjustable focal point

Snap-fit Serrurier truss rods

JMI's celebrated quality construction

NGT-12.5 Specifications

Type: Newtonian reflector

Mirror: 12.5-inch f/4.5 Nova Optical Systems 2-inch-thick Pyrex diffraction-limited enhanced primary (96% reflectivity), 2.6-inch diagonal enhanced secondary

Power: 12vDC operation with included adapters or optional battery pack

Weight: approximately 120 lb., the heaviest single component is 40 lb.

Height: 64" assembled, 31" collapsed, Eyepiece height 59" at Zenith

Width: 26"

Depth: 29"

Finder: 9x50 straight through

NGT-12.5 Standard Equipment

Rotating Nose Assembly for comfortable viewing of any part of the sky.

NGF-DX2 Focuser. (upgrades available)

Extension Tube for 2" Focuser.

25mm 1.25" Pl￶ssl Eyepiece.

9x50 Finder Scope (straight-through) with dovetail mount.

Piggy-Back Camera Mount for piggy-back photography.

Off-Axis Counterweight for attaching to the piggy-back camera mount (2).

Serrurier Truss Rods snap fit into heat treated, spring steel cavities.

Adjustable Focal Point including three different nose assembly mounting positions for visual and photographic work.

Sliding Counterweights positioned along the truss rods for fine tuning the balance (3).

Split-Ring Equatorial Drive with 26" drive ring.

3-Point Large-Cup Flotation Mirror Cell.

Nova Optical 12.5" Mirror. A 2" thick Pyrex diffraction-limited primary mirror with standard coating giving 89% reflectivity.

Integrated Optical Encoders for use with a "MAX" computer.

NGC-MAX Computer digital setting circles with a 12,046 object database, Polar Alignment and Identify functions and a serial port. (upgrades available)

Drive Corrector with dual axis control, 0.3x / 0.5x / 2x / 4x / 8x / 16x correction, North/south hemisphere operation and CCD autoguider interface (see warning).

AC or DC Power with 110vAC/60Hz or 220vAC/50Hz (specify) wall transformer or 12vDC cigarette lighter adapter.

Built-In Lifting Handle permits easy transportation.

Latitude Adjustment with scale for fine adjustment of latitude setting. Adjusts from 30ﾺ to 58ﾺ (optional latitude modifications are available)

Guarantee