Featured Products
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
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
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. Often,
Astro-Physics
0.8x CCD Telecompressor for 92mm Stowaway and 105mm Traveler. Requires 2.5" DoveLoc End Cap that comes with 92mm F6.65 Stowaway or EC2725 for Traveler. (92TCC)
The 92 Stowaway’s Telecompressor Corrector (92TCC) is used to provide 0.80x image reduction while co
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
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
Baader Planetarium/Astro-Physics
10 x 60 Vario Finder with Quick Release Guider Bracket Kit. (1060VGKIT)
The Astro-Physics designed Guider Bracket greatly expands the versatility and functionality of the B
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
CCD Telecompressor (CCDT67)
Originally developed to tame the focal length of our 10" f/14.6 Mak-Cass, this telecompressor is opt
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
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
May 31, 2021 - Part # changed to more clearly describe its function. Refer to the chart b
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 it wil
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. Often,
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
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
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
Astro-Physics
Flat Surface Tripod Adapter - attach 400, 600E, Mach1 and Mach2 to a flat surface (ADATRI)
This adapter is necessary to attach an Astro-Physics 400, 600E, Mach1GTO or Mach2GTO mount to a trip
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
Finder Bracket Male Dovetail Base (needs QRBASEM) (A3251-B)
Our male dovetail base is a versatile accessory - an integral part of our Quick Release Finder Brack
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
New Products
Astro-Physics
Pier Adapter Knob Kit for 900 Mounts (9KBKIT)
This kit contains four machined and black-anodized Pier Adapter Knobs and 1/4"ID x 1"OD flat washers
Astro-Physics
Standard Pier Adapter for 900 Mount, Fits 8" Astro-Physics Piers (900SPA)
The 900SPA is a replacement for your 900 Standard Pier Adapter if yours is damaged. The base is 7.73
Astro-Physics
Handle with 6.3" Spacing for 1/4-20 Threaded Holes, Ideal for Stowaway or 130 Refractor (63HANDLE)
Hey! Do you want a hand with that scope? Our CNC machined handle can help you safely tote your Stow
Astro-Physics
Mach1GTO Counterweight Shaft Adapter with Stainless Steel Insert (SM1CSA)
If your Mach1GTO mount is is frequently used as a portable mount, you may wish to consider upgrading
Astro-Physics
1600GTO Counterweight Shaft Adapter with Stainless Steel Insert (S1600CSA)
If your 1600GTO mount is is frequently used as a portable mount, you may wish to consider upgrading
Astro-Physics
1200 Counterweight Shaft Adapter with Stainless Steel Insert (S1200CSA)
If your 1200 is frequently used as a portable mount, you may wish to consider upgrading to this coun
Astro-Physics
900 Counterweight Shaft Adapter with Stainless Steel Insert (S900CSA)
If your 900 is frequently used as a portable mount, you may wish to consider upgrading to this count
Astro-Physics
1100GTO Counterweight Shaft Adapter with Stainless Steel Insert (S1100CSA)
If your 1100GTO mount is is frequently used as a portable mount, you may wish to consider upgrading
Astro-Physics
2" Nosepiece Extension with 48mm Threads (EXT48-12.7)
This ½" extension is a robust version of T-thread extension tubes. It uses 48 mm threads at both end
Astro-Physics
3.5" Focuser Doveloc to 2.7" Female Thread Adapter. Net Spacing Distance: 0.281" (7.14mm) (ADA35DL-27)
The "doveloc" feature of the ADA35DL-27 is a 3.5” circular dovetail used with the 3.5” Rotating Focu
Astro-Physics
Threaded 2.7" Barlow Holder with Internal 42mm Thread (BH27-INT42)
Realize the full potential of your Baader Fluorite Flatfield Converter (BPFFC) or 2" Advanced Conver
Astro-Physics
0.72x Quad Telecompressor Corrector (QUADTCC)
Expand your field! Reduce your f/value, speeding up the collection of photons! And
