Welcome to Astro-Physics
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Check out our new Mach2GTO!
Tarantula Nebula
Save $1499
1100GTO with Absolute Encoders 1600GTO with Absolute Encoders Includes APCC-Pro
M78
NGC 1365
AP is open for support, orders and shipment.
Refer to the Blog for more information. Take care of yourselves and enjoy astronomy while social distancing.
Featured Products
Astro-Physics
Bracket to Attach Right-Angle Polar Alignment Scope Adapter to Mach2GTO Mounts (RAPM2)
The Mach2GTO mount incorporates integrated absolute encoders and fixed internal communication and po
Kendrick Astro Instruments
Kendrick Visual AstroSolar Filter for 92mm F665 Stowaway. Fits 107-115mm OD, 103mm filter aperture. (KS6004-B)
Kendrick Solar filters featuring Baader film are famous for their exquisite sharpness and detail acr
Losmandy/Astro-Physics
Losmandy Light-weight Tripod for Astro-Physics (LMLWT-AP)
Our Losmandy Light-Weight Tripod is made specifically for Astro-Physics and offers a great value by
Astro-Physics
GTOCP4 Control Box for all GTO Mounts, except Mach2GTO. Order new 2-Pin power cable (GTOCP4)
All GTO mounts(except the Mach2GTO) produced since 1998 can be easily upgraded!!! The GTOCP4 Up
Astro-Physics
12" Dovetail Plate for D-Style Saddle Plates (SBD12)
This 12" Dovetail Sliding Bar was designed with short instruments in mind. The middle portion of the
Astro-Physics
GTO Keypad with Keypad Protector for all GTO mounts. Serial # of mount required for purchase. (KEYVFK2)
The Keypad is a self-contained handheld computer that allows you to control all essential telescope
Astro-Physics
6" Eagle Adjustable Folding Pier (EAGLE6-EZ)
The Astro-Physics 6" Eagle Folding Pier is a versatile work-of-art as well as a totally practical to
Astro-Physics
1600GTO German Equatorial Mount with Extended Temperature Absolute Encoders and APCC-PRO (1600GTO-AEL) ** SAVE $1,499
Why a 1600GTO? Thirty plus years of mount design and building expertise has been employed to engine
Astro-Physics
Field Flattener for 92mm Stowaway and Traveler, Machined Covers. Requires 2.5" DoveLoc End Cap that comes with 92mm F6.65 Stowaway or 2725EC for Traveler (92FF)
The 92 Stowaway’s Field Flattener (92FF) is used to correct the field curvature that is inhere
Astro-Physics
16" Versatile Dovetail Plate for D-Style Dovetail Saddle Plates (SBD16)
This 16" Versatile Dovetail Plate is exceptionally strong, providing a rigid structure to your
Astro-Physics
Right-Angle Polar Alignment Scope with LED Illuminator (RAPAS)
This revolutionary design has been enthusiastically praised for its ease of use and accuracy by cust
Astro-Physics
10" Saddle Plate for Both D-Style and V-Style Bars (DOVEDV10)
This 10” dual-style saddle plate fills the need of customers who have multiple scopes. O
Most Popular Products
Astro-Physics
Counterweights for 1.875" Shaft - Mach2, 900, 1100, 1200 & 1600 (also Mach1 using optional shaft)
Our counterweights are precision machined from 303 stainless steel. The weights slip easily onto the
Astro-Physics
2.7" Thread-On Extensions for Astro-Physics Focusers and Accessories (A3502-A)
This series of extensions is designed to utilize the robust 2.7" Astro-Physics thread size, while pr
Astro-Physics
Counterweights for 1.125" Shaft - 400, 600E, 800 and Mach1
Our counterweights are precision machined from 303 stainless steel. The weights slip easily onto the
Astro-Physics
16" Easy-Balance Dovetail Saddle Plate with 3 clamps - 1600, 1100, 1200, 900, Mach1 and Mach2 (DOVELM162)
This 16" Dovetail Saddle Plate, designed and manufactured by Astro-Physics, is the ultimate in versa
Astro-Physics
10" Saddle Plate for Both D-Style and V-Style Bars (DOVEDV10)
This 10” dual-style saddle plate fills the need of customers who have multiple scopes. O
Astro-Physics
Multi Radius Base for Quick Release Finder Bracket & Accessories using Male Dovetail Base (A3251-B), including STARFMD. (QRBASEM)
This Quick Release base is designed to securely fit scopes from as small as 3” on up, so that
Astro-Physics
CCD Telecompressor (CCDT67)
Originally developed to tame the focal length of our 10" f/14.6 Mak-Cass, this telecompressor is opt
Astro-Physics
Right-Angle Polar Alignment Scope with LED Illuminator (RAPAS)
This revolutionary design has been enthusiastically praised for its ease of use and accuracy by cust
Astro-Physics
MAXBRIGHT 2" Mirror Diagonal with Dialectric Coating and Brass Locking Ring (PMDMAX)
The Astro-Physics 2" MaxBright Diagonal was designed with several unique features to provide optimum
Future Technology Devices International
FTDI USB-to-Single Port Serial Adapter (USB1PFTDI)
We strongly recommend that you use a genuine FTDI USB-to-Serial Adapter. Do not use adapters that cl
Astro-Physics
16" Versatile Dovetail Plate for D-Style Dovetail Saddle Plates (SBD16)
This 16" Versatile Dovetail Plate is exceptionally strong, providing a rigid structure to your
Astro-Physics
Astro-Physics Embroidered Cap, Stone (APCAPES)
These attractive ball caps feature the Astro-Physics logo beautifully embroidered across the front.
New Products
Astro-Physics
Allows the 3.5” Focuser to be installed on Starfire 155 & Starfire 180 in place of 4” or 2.7" Focusers (ADA4F-35F)
The ADA4F-35F adapter allows the 3.5” focuser (35FOCER-FT) to be installed on StarFire 155 &am
Kendrick Astro Instruments
Kendrick Visual AstroSolar Filter for 10" Maksutov-Cassegrain. Fits 300mm-310mm OD, 277mm filter aperture. (KS6016-A)
Kendrick Solar filters featuring Baader film are famous for their exquisite sharpness and detail acr
Astro-Physics
1600GTO German Equatorial Mount with Extended Temperature Absolute Encoders and APCC-PRO (1600GTO-AEL) ** SAVE $1,499
Why a 1600GTO? Thirty plus years of mount design and building expertise has been employed to engine
Astro-Physics
1600GTO German Equatorial Mount with Standard Temperature Absolute Encoders and APCC-PRO (1600GTO-AE) ** SAVE $1,499
Why a 1600GTO? Thirty plus years of mount design and building expertise has been employed to engine
Astro-Physics
Bracket to Attach Right-Angle Polar Alignment Scope Adapter to Mach2GTO Mounts (RAPM2)
The Mach2GTO mount incorporates integrated absolute encoders and fixed internal communication and po
Losmandy/Astro-Physics
Losmandy Light-weight Tripod for Astro-Physics (LMLWT-AP)
Our Losmandy Light-Weight Tripod is made specifically for Astro-Physics and offers a great value by
Astro-Physics
SLR Camera Adapter (35mm and digital) without T-Ring to use with 2.7" and 4" Field Flatteners except 160FF (67RT)
Use this adapter with the 2.7" or 4" Prime Focus Field Flatteners to obtain the best possible result
Baader Planetarium
Baader Protective T-Ring w/ 2" Nosepiece for Canon EOS without any Filters (BPEOS)
Although Baader officially calls this a T-ring, this bayonet offers far more. The Baader Protective
Baader Planetarium
Baader Protective T-Ring w/ 2" Nosepiece for Canon EOS with H-Alpha Filter (BPEOSH)
Although Baader officially calls this a T-ring, this bayonet offers far more. The Baader Protective
Astro-Physics
SLR Camera Adapter (35mm and digital) with Konica T-Ring to use with 2.7" and 4" Field Flatteners except 160FF (67RTKON)
Use this adapter with the 2.7" or 4" Prime Focus Field Flatteners to obtain the best possible result
Astro-Physics
SLR Camera Adapter (35mm and digital) with Pentax Screw T-Ring to use with 2.7" and 4" Field Flatteners except 160FF (67RTPTS)
Use this adapter with the 2.7" or 4" Prime Focus Field Flatteners to obtain the best possible result
Astro-Physics
SLR Camera Adapter (35mm and digital) with Olympus T-Ring to use with 2.7" and 4" Field Flatteners except 160FF (67RTOLY)
Use this adapter with the 2.7" or 4" Prime Focus Field Flatteners to obtain the best possible result