Gear Database

Astro-Physics 1600GTO

Astro-Physics

1600GTO German Equatorial Mount - No Encoders is an observatory-class GoTo mount for heavier or observatory-class deep-sky rigs.

mount flagship
Astro-Physics 1600GTO

Best Current Offer

Starizona logo
Starizona
In stock
$13,450.00

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 - No Encoders 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
$13,450.00
In stock
Updated 11/4/2026
View Offer - $13,450.00
Cloud Break Optics logo
Cloud Break Optics
Cloud Break Optics
$20,400.00
In stock
Updated 11/4/2026
View Offer - $20,400.00

Price History

Chronological retailer pricing with out-of-stock points shown at reduced opacity.

Cloud Break Optics Starizona
$21,234.00 $18,361.33 $15,488.67 $12,616.00 Sep 15, 2026 Oct 10, 2026 Nov 4, 2026 Cloud Break Optics - $20,400.00 - Sep 15, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 16, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 17, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 19, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 20, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 21, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 22, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 23, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 24, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 25, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 26, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 27, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 28, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 29, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 30, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 1, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 2, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 3, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 4, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 5, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 6, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 7, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 8, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 9, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 10, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 11, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 12, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 13, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 14, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 15, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 16, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 17, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 18, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 19, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 20, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 21, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 22, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 23, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 24, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 25, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 26, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 27, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 28, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 29, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 30, 2026 - In stock Cloud Break Optics - $20,400.00 - Oct 31, 2026 - In stock Cloud Break Optics - $20,400.00 - Nov 1, 2026 - In stock Cloud Break Optics - $20,400.00 - Nov 2, 2026 - In stock Cloud Break Optics - $20,400.00 - Nov 3, 2026 - In stock Cloud Break Optics - $20,400.00 - Nov 4, 2026 - In stock Starizona - $13,450.00 - Sep 15, 2026 - In stock Starizona - $13,450.00 - Sep 16, 2026 - In stock Starizona - $13,450.00 - Sep 17, 2026 - In stock Starizona - $13,450.00 - Sep 18, 2026 - In stock Starizona - $13,450.00 - Sep 19, 2026 - In stock Starizona - $13,450.00 - Sep 20, 2026 - In stock Starizona - $13,450.00 - Sep 21, 2026 - In stock Starizona - $13,450.00 - Sep 22, 2026 - In stock Starizona - $13,450.00 - Sep 23, 2026 - In stock Starizona - $13,450.00 - Sep 24, 2026 - In stock Starizona - $13,450.00 - Sep 25, 2026 - In stock Starizona - $13,450.00 - Sep 26, 2026 - In stock Starizona - $13,450.00 - Sep 27, 2026 - In stock Starizona - $13,450.00 - Sep 28, 2026 - In stock Starizona - $13,450.00 - Sep 29, 2026 - In stock Starizona - $13,450.00 - Sep 30, 2026 - In stock Starizona - $13,450.00 - Oct 1, 2026 - In stock Starizona - $13,450.00 - Oct 2, 2026 - In stock Starizona - $13,450.00 - Oct 3, 2026 - In stock Starizona - $13,450.00 - Oct 5, 2026 - In stock Starizona - $13,450.00 - Oct 6, 2026 - In stock Starizona - $13,450.00 - Oct 7, 2026 - In stock Starizona - $13,450.00 - Oct 8, 2026 - In stock Starizona - $13,450.00 - Oct 9, 2026 - In stock Starizona - $13,450.00 - Oct 10, 2026 - In stock Starizona - $13,450.00 - Oct 11, 2026 - In stock Starizona - $13,450.00 - Oct 12, 2026 - In stock Starizona - $13,450.00 - Oct 13, 2026 - In stock Starizona - $13,450.00 - Oct 14, 2026 - In stock Starizona - $13,450.00 - Oct 15, 2026 - In stock Starizona - $13,450.00 - Oct 16, 2026 - In stock Starizona - $13,450.00 - Oct 17, 2026 - In stock Starizona - $13,450.00 - Oct 18, 2026 - In stock Starizona - $13,450.00 - Oct 19, 2026 - In stock Starizona - $13,450.00 - Oct 20, 2026 - In stock Starizona - $13,450.00 - Oct 21, 2026 - In stock Starizona - $13,450.00 - Oct 22, 2026 - In stock Starizona - $13,450.00 - Oct 23, 2026 - In stock Starizona - $13,450.00 - Oct 24, 2026 - In stock Starizona - $13,450.00 - Oct 25, 2026 - In stock Starizona - $13,450.00 - Oct 26, 2026 - In stock Starizona - $13,450.00 - Oct 27, 2026 - In stock Starizona - $13,450.00 - Oct 28, 2026 - In stock Starizona - $13,450.00 - Oct 29, 2026 - In stock Starizona - $13,450.00 - Oct 30, 2026 - In stock Starizona - $13,450.00 - Oct 31, 2026 - In stock Starizona - $13,450.00 - Nov 1, 2026 - In stock Starizona - $13,450.00 - Nov 2, 2026 - In stock Starizona - $13,450.00 - Nov 3, 2026 - In stock Starizona - $13,450.00 - Nov 4, 2026 - In stock