Astro-Physics

Astro-Physics products can be shipped to overseas destinations except for the following countries: Australia, France, Germany, Italy and Japan.

Astro-Physics is dedicated to the production and development of amateur telescopes and accessories. They strive to produce the highest possible quality telescope components at an affordable price. Astro-Physics builds optics, critical gears, circuit boards, and components including the knobs and fitting from scratch.

Astro-Physics offers a variety of telescope mounts andmount accessories, tube rings and photo / visual accessories.

The German Equatorial mounts Astro-Physics manufactures are: the Mach1GTO, 1100GTO, 1600GTOand 3600GTO. The Mach1GTO is compact, light-weight and portable. The 1100GTO German Equatorial Mount incorporates the design features of the 1600GTO in a smaller, more portable package.The 1600GTO can be used for basic configuration or with the optional Absolute Encoders it can go into demanding astro-imaging. The 3600GTO is the solution for imaging with large instruments or with a combined weight.

Mounting plates are another product of Astro-Physics. They produce an arrangement of dovetail mountings and fixed mountings. Astro-Physics also offer an array of accessories from counterweight shaft options, shaft extension and shaft safety parts, tripod, piers, power supplies and so much more. From the smallest accessory to the largest telescope mount you will find Astro-Physics products to be of the finest quality.


Astro-Physics Safety Washer for 1.875” diameter, older style counterweight shafts

SKU: M12009

Price: $4.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics Y-Cable for GTOCP3 and GTOCP4 Control Boxes - Mach1GTO

SKU: SM1GYCR

Price: $177.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics 13.675

SKU: M8084-A

Price: $60.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics Replacement Assembly for 900/1200 Dovetail Knob

SKU: SB3627

Price: $475.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics 1200 Modified Clutch Set Screws

SKU: M12668

Price: $4.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics Y-Cable for GTOCP2, GTOCP3 and GTOCP4 Control Box - 1200GTO

SKU: S1200GYCR

Price: $175.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics 15” Vixen V-Style Wide Dovetail Plate

SKU: SBV15

Price: $58.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics Takahashi Adapter Blocks for 16

SKU: SBDTB

Price: $80.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics R.A. Sight Hole Cover - for 900GTO mounts

SKU: M9403

Price: $40.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics 900 R.A. Clutch Set Screws (F0021)

SKU: F0021

Price: $6.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics Replacement Assembly for 900/1200 Dovetail Knob

SKU: DOVEKBREP

Price: $25.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics 90-Degree Dovetail Adapter Plate for 900/1200 for RA-mounted GTOCP4

SKU: CBA912KIT

Price: $70.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics Precision-Adjust Rotating Pier Base / Hi-Res Azimuth Adjuster Upgrade Kit

SKU: M1RAUP

Price: $295.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics 1/4-20 Machined Knob Kit, set of 3

SKU: M1485KBKIT

Price: $55.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics 22.0

SKU: M12601-E

Price: $130.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics 1100GTO Single Control Box Adapter

SKU: M11010KIT

Price: $54.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics Y-Cable for GTOCP2, GTOCP3 and GTOCP4 Control Box - 900GTO

SKU: S900GYCR

Price: $175.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics R.A. Sight Hole Cover - for 1200/400 mounts and 900 mounts

SKU: M12666

Price: $40.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics Machined Safety Stop Knob

SKU: MSSKB

Price: $27.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics Portable Pier - 10

SKU: 10X42P

Price: $1,170.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics 1100GTO Control Box Extension Adapter

SKU: Q6281KIT

Price: $40.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics 23

SKU: SBPW23

Price: $330.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics Riser Blocks for 16

SKU: SBDAPB

Price: $80.00

In-Stock - Available at warehouse ships in 2-3 weeks

Astro-Physics Eyepiece Accessory Tray for 8

SKU: TRAY08H

Price: $93.00

In-Stock - Available at warehouse ships in 2-3 weeks