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 9/19/2026
View Offer - $13,450.00
Cloud Break Optics logo
Cloud Break Optics
Cloud Break Optics
$20,400.00
In stock
Updated 9/20/2026
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 Jul 31, 2026 Aug 25, 2026 Sep 20, 2026 Cloud Break Optics - $20,400.00 - Aug 1, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 2, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 3, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 4, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 5, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 6, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 7, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 8, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 9, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 10, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 11, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 12, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 13, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 14, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 15, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 16, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 17, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 18, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 19, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 20, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 21, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 22, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 23, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 24, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 25, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 26, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 27, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 28, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 29, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 30, 2026 - In stock Cloud Break Optics - $20,400.00 - Aug 31, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 1, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 2, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 3, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 4, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 5, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 6, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 7, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 8, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 9, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 10, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 11, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 12, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 13, 2026 - In stock Cloud Break Optics - $20,400.00 - Sep 14, 2026 - In stock 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 Starizona - $13,450.00 - Jul 31, 2026 - In stock Starizona - $13,450.00 - Aug 1, 2026 - In stock Starizona - $13,450.00 - Aug 2, 2026 - In stock Starizona - $13,450.00 - Aug 3, 2026 - In stock Starizona - $13,450.00 - Aug 4, 2026 - In stock Starizona - $13,450.00 - Aug 5, 2026 - In stock Starizona - $13,450.00 - Aug 6, 2026 - In stock Starizona - $13,450.00 - Aug 7, 2026 - In stock Starizona - $13,450.00 - Aug 8, 2026 - In stock Starizona - $13,450.00 - Aug 9, 2026 - In stock Starizona - $13,450.00 - Aug 10, 2026 - In stock Starizona - $13,450.00 - Aug 11, 2026 - In stock Starizona - $13,450.00 - Aug 12, 2026 - In stock Starizona - $13,450.00 - Aug 13, 2026 - In stock Starizona - $13,450.00 - Aug 14, 2026 - In stock Starizona - $13,450.00 - Aug 15, 2026 - In stock Starizona - $13,450.00 - Aug 17, 2026 - In stock Starizona - $13,450.00 - Aug 18, 2026 - In stock Starizona - $13,450.00 - Aug 19, 2026 - In stock Starizona - $13,450.00 - Aug 20, 2026 - In stock Starizona - $13,450.00 - Aug 21, 2026 - In stock Starizona - $13,450.00 - Aug 22, 2026 - In stock Starizona - $13,450.00 - Aug 23, 2026 - In stock Starizona - $13,450.00 - Aug 24, 2026 - In stock Starizona - $13,450.00 - Aug 25, 2026 - In stock Starizona - $13,450.00 - Aug 26, 2026 - In stock Starizona - $13,450.00 - Aug 27, 2026 - In stock Starizona - $13,450.00 - Aug 28, 2026 - In stock Starizona - $13,450.00 - Aug 29, 2026 - In stock Starizona - $13,450.00 - Aug 30, 2026 - In stock Starizona - $13,450.00 - Aug 31, 2026 - In stock Starizona - $13,450.00 - Sep 1, 2026 - In stock Starizona - $13,450.00 - Sep 2, 2026 - In stock Starizona - $13,450.00 - Sep 3, 2026 - In stock Starizona - $13,450.00 - Sep 4, 2026 - In stock Starizona - $13,450.00 - Sep 5, 2026 - In stock Starizona - $13,450.00 - Sep 6, 2026 - In stock Starizona - $13,450.00 - Sep 7, 2026 - In stock Starizona - $13,450.00 - Sep 8, 2026 - In stock Starizona - $13,450.00 - Sep 9, 2026 - In stock Starizona - $13,450.00 - Sep 10, 2026 - In stock Starizona - $13,450.00 - Sep 11, 2026 - In stock Starizona - $13,450.00 - Sep 12, 2026 - In stock Starizona - $13,450.00 - Sep 13, 2026 - In stock Starizona - $13,450.00 - Sep 14, 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