Gear Database

Astro-Physics 1600GTO with Standard Encoders

Astro-Physics

1600GTO German Equatorial Mount - Encoders - Standard Temperature is an observatory-class GoTo mount for heavier or observatory-class deep-sky rigs.

mount flagship
Astro-Physics 1600GTO with Standard Encoders

Best Current Offer

Starizona logo
Starizona
In stock
$18,950.00

Other retailers

Specifications

Mount

Mount type
GoTo German equatorial mount
Drive system
10.3" (262 mm), 225 tooth aluminum
Payload capacity
220 lb (100 kg)
Latitude range
0 to 78 degrees

Motion

Slew rate
5 degrees / second
Periodic error
+/- 2.5 arc seconds or less in one worm cycle (6.4 minutes); native, prior to any error correction
Encoder
Absolute encoder option on both axes

Electronics

Controller
Astro-Physics GTO control system
Power
Nominal 12 volt DC supply at minimum of 5 amps continuous

Mechanical

Tripod / pier
9.775" (248.3 mm) Base. The base is an integral part of the mount and azimuth adjuster.
Interface
Suitable mounting plates

Astrophotography Fit

A heavy-payload mount that should be chosen by realistic imaging payload, not headline capacity alone.

1600GTO German Equatorial Mount - Encoders - Standard Temperature is a flagship observatory-class GoTo mount for computerized tracking and guiding.

For long-exposure astrophotography, use a conservative imaging payload. The telescope, camera, guide hardware, dew heaters, dovetails, and cables all count, and guiding performance matters more than the catalog payload number.

Observatory-class mounts ask for a pier, software integration, and careful commissioning; they are not casual grab-and-go hardware.

Best paired with

  • Autoguided refractors or corrected reflectors within conservative payload limits
  • Stable tripod or pier and balanced counterweights
  • Computer or hand-controller workflow with good polar alignment

Not recommended for

  • Payloads at the rated maximum for imaging
  • Users who need an airline-portable rig above all else
  • Long focal length work without guiding and careful balance

Where To Buy

Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.

Retailer Price Availability View Offer
Starizona logo
Starizona
Starizona
$18,950.00
In stock
Updated 5/13/2026
View Offer - $18,950.00
Cloud Break Optics logo
Cloud Break Optics
Cloud Break Optics
$20,400.00
In stock
Updated 5/14/2026
View Offer - $20,400.00