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30" New Technology Telescope

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NTT-30 Product Information

NTT-30 Optional Upgrades

NTT-30 Optional Accessories

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What is a New Technology Telescope?

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30" NTT Telescope

30" Alt-Azimuth
Folded Newtonian


Buy Now*
NTT-30 Product Information


  • Open truss Newtonian
  • Folded optics for more convenient eyepiece height
  • Alt-azimuth mount
  • Compact size
  • Fast assembly
  • 18-point Roller-Edge mirror cell
  • Stellar Cat and Argo Navis Computer Systems for "Go-To" computer control
  • Battery and AC operation
  • Adjustable focal point
  • Massive 2" declination ball bearings
  • 28" Drive Gears and Clutches on both axes
  • JMI's celebrated quality construction


Type:  Folded Newtonian Reflector
Mount:  Alt-azimuth
Mirror:  30" f/4.2 primary, 11.5" flat secondary, 5.5" enhanced diagonal tertiary
Power:  12vDC operation with 17 amp-hr gel-cell batteries or adapter
Weight:  approximately 350? lb.
Height:  99" assembled, Eyepiece height 72" at Zenith
Width:  43"
Depth:  35"
Finder:  9x50 straight through and a Telrad

Standard Equipment

JMI Focuser with Motor for motorized focusing.
Extension Tube for 2" Focuser.
22mm 2" Panoptic Eyepiece.
9x50 Finder Scope
(straight-through) with dovetail mount.
Telrad Finder Scope
Serrurier Truss Rods.
Adjustable Focal Point including two different nose assembly mounting positions for visual and photographic work.
Sliding Counterweights positioned along the truss rods for fine tuning the balance (4).
Alt-Azimuth Drive with 18" gears.
27-Point Flotation Mirror Cell.
30" Mirror.
  A precision annealed 2" thick Pyrex diffraction-limited primary mirror.
Primary Mirror Dust Cover.
Stellar Cat and Argo Navis Computer Systems for "Go-To" computer control.
Battery or AC Power with 12vDC 17 amp-hr rechargeable gel-cell batteries, 12vDC cigarette lighter adapter and 110vAC/60Hz or 220vAC/50Hz (specify) wall transformer.

* Telescope prices are for the standard telescope configuration.  Upgrades and Options are at additional cost.  The listed price also does not include the crating charge ($500) and any shipping and handling charges.  Please call for a shipping quote.  A 10% DEPOSIT is required with all telescope orders (5% IS NON-REFUNDABLE).  Telescopes are custom-built based on the options selected by the customer and therefore require time to build.  The remaining amount due must be paid before the telescope is shipped.

30" NTT Optional Upgrades

No Upgrades
at This Time

No Upgrades at this time

** RFQ = Request for Quote (Ask us for a price quote.)  Upgrade prices are based on upgrading from standard equipment.  << HIDDEN TEXT >>


30" NTT Optional Accessories

Telrad Finder


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Telrad Finder


Telrad Finder Mounting Adapter


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Telrad Finder Mounting Adapter


Extra Sliding Truss-Rod Counterweight


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Extra Sliding Truss-Rod Counterweight (each)


Truss-Rod Light Shroud
Heavy-Weight Weatherproof Black Vinyl

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Truss Rod Shroud

Blocks stray light and air currents and helps keep dust off of the mirrors.  Made of heavy-weight weatherproof black vinyl with snaps at both ends.


Permanent Observatory Mounting Hardware


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Permanent Observatory Mounting Hardware with azimuth fine adjustment


Handlebar and Wheels


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Handlebar and Wheels


What is a New Technology Telescope?

The New Technology Telescope (NTT) is an altitude-azimuth (alt-az) Newtonian with folded optics and Go-To electronics.  The NTT-30 is a 30" (f/4.2) system suitable for both visual work and short-exposure photography (no field de-rotation).  It includes the StellarCAT ServoCAT Jr. Track/GOTO (which is compatible with Go-To computers and planetarium software) and the NGC-superMAX (Argo Navis™) Go-To computer, open Serrurier truss rod design, compact size and JMI's celebrated quality construction.

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