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Starizona M42 female threaded cap.

This version of the Counterweight Set will only work with the CPC-800. For other Celestron 8" SCTs, click here.Accurate balance is necessary for th...

Looking to permanently mount your CPC telescope? You'll want this adapter kit to easily attach the CPC fork mount to a permanent pier. The top plat...

"I can't find the Sun!" Sounds funny. However, the Sun is tricky to find in a properly filtered telescope, and you don't ever want to chance a dire...

Askar MCP150 (Multi-Connection Plate 150) is a professional design especially for FRA600/5.6 astrograph. But it also works well with other various ...

Use this adapter to put a 2" male nosepiece onto the original (non-modular) Starizona Filter Slider to use on anything that accepts a 2" barrel.   ...

3D printed top handle for the HAC125 DX.  The handle can accept common Synta style brackets for accessories such as guide scopes and the ASIAIR.  I...

Sky-Watcher’s SynScan USB brings older Sky-Watcher mounts into the 21st century, by eliminating the need for outdated serial connections. For thos...

This part is used to replace the removable lip on the newer model Starizona Nexus 0.75x coma corrector, providing a male M54 thread for a direct th...

The latest book by noted astronomer David Levy (do-discoverer of the Shoemaker-Levy comet which slammed into Jupiter in 1994. This book, geared tow...

Additional threaded 2.5-pound bottom counterweight for Starizona counterweight sets (for NexStar GPS and CPC telescopes). Necessary for heavy loads...

A Modern Guide to Planetary Imagingis a new DVD release from renowned planetary observer and astronomer Damian Peach. This DVD provides a wealth of...

Baader H-alpha / O-III / S-II Ultra-Narrowband (Narrowband) filter set - Premium Grade 3.5 / 4 nm half width (to harmonize the exposure time of H...

42,000 object data base Built-in USB-B 2.0 port for easy control via PC or firmware updates Only compatible with Sky-Watcher SynScan mounts In...

CNC machined secondary spider made of aluminum (EN AW-6061), black matt anodized, suitable for 8" TS-Optics GSO Photon This secondary spider is ma...

  CNC machined primary mirror mask made of aluminum (EN AW-6061), black matt anodized, suitable for 8" TS-Optics/GSO Newtons The precisely machine...

Antlia OIII EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on unwa...

It includes 4 pieces of desiccant tablets.

Machined aluminum bracket and shaft coupler to attach a ZWO EAF motor to a 2.5" or 3.0" Feathertouch Focuser.  Also fits Feathertouch retrofit kits...

Equatorial GoTo mount  22-pound payload capacity  0- 90° latitude range  SynScan Go To telescope mount with 42,900+ object database  Built-in WiF...

Antlia H-alpha EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The suppression of optical density (OD)5 on u...

The Antlia V-Series Luminance filter is available separately for use as a high-quality UV/IR filter.

Accurate balance is necessary for the best telescope performance. Adding heavy accessories such as 2" eyepieces or cameras to a scope requires the ...

Standard visual back as included with Celestron SCTs. Adapts 1.25" accessories (such as diagonals, camera adapters, etc.) to the standard SCT threads.

Celestron's Star Diagonal lets you view objects that are at a 90° angle from the direction the telescope is pointing, thereby allowing comfortable ...

The ALP-T dual band 3.5nm SII&Hb filter is a dual narrowband filter, which lets the deep red Sulfur-II 672.4nm and the blue Hydrogen-Beta 48...

Pre-order for Askar 0.75x Reducer for 71F Telescope. More information coming soon!

This adapter allows the use of a Feathertouch SCT MicroFocuser on an older Celestron 8" SCT (orange tube and some older black tube models). Include...

Cable Length: 0.5 meters USB Connector Type: Type-B(male) to Type A(male)

This version of the Counterweight Set will not work with the CPC-800. For the correct version, click here.Accurate balance is necessary for the bes...

Use this sturdy, 3D-printed plastic bracket to attach a standard red-dot type finderscope to the flash hot shoe on top of your Nikon DSLR. The find...

This is the top half of the Celestron 8" SCT counterweight set. Use this if you already have a bottom slidebar kit from Celestron or Losmandy. Incl...

Celestron’s new Nature DX Series is the perfect companion for the outdoors lover. These affordable yet feature-packed binoculars are designed speci...

This adapter enables you to mount your unmounted 50.8mm filters to 48mm threads. This mount will allow you to use unmounted 50.8mm filters with Sta...

Extension tube for Wave carbon fiber tripod  7-inch (180mm) length  3.9-inch (100mm) radius  Weighs 2.4 pounds (1.1kg) Carbon Fiber Tripod not inc...

Written by a dedicated selenophile (a person who loves the Moon), this guide to Earth's celestial companion is a non-technical narrative that quick...

The 1.0x flattener does not change the telescope's focal ratio itself. After connecting with the Askar 140APO, it still maintained a focal ratio ...

The 0.8x reducer can bring Askar 140APO's focal ratio down to F5.6. This is a standard reducer with field flattening capabilities as well. A shor...

To achieve true dynamic balance with a fork-mounted SCT, both top and bottom weights are required. See stock number CWCPC11-CS for the complete top...

This adapter converts T-threads (M42) to C-threads (1.0"). It has female T-threads on the bottom and male C-threads on the top. The adapter adds 5....