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

This version of the Counterweight Set will not work with the CPC-1100. For the correct version, click here. Accurate balance is necessary for the b...

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....

Use this adapter to connect a T-ring or T-mount camera to a 2" focuser. Low profile design keeps backfocus short. Threaded for 48mm filters.

SFull GoTo performance in a portable Star Adventurer mount Lightweight equatorial mount for deep space, widefield, and nightscape astrophotography...

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...

In astrography, Nikon, Canon, Sony mirrorless cameras have been used more and more frequently by astronomy amateurs in recent years. Therefore, on ...

ZWO Holder Ring for ZWO ASI PRO COOLED CAMERAS with appr 78mm diameter. Currently compatible with the following ZWO cameras: ASI1600 Pro, ASI183 P...

The Askar Losmandy-style universal dovetail plate is made of lightweight aluminum ally and more resistant to scratches or collisions due to its an...

Star Adventurer 2i multi-function equatorial tracking mount with built-in Wi-Fi control  11-pound payload capacity  Dec bracket included  Built-i...

Starizona makes this small adapter ring to allow the replacement of the stock focuser on the Lunt LS50 solar telescope with the Borg Helical Focuse...

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

This replacement adapter came with the original Starizona RASA8 Filter Slider converting the bottom M48 to M42 and adding 1mm to the Filter Slider ...

Aluminum dew shield fits Celestron 6" SCTs with HyperStar Celestron 6 SCT & Hyperstar Dew Shield 12" in total length Top, bottom and side notc...

Reach for the stars with Flash of Brilliance Children really do enjoy learning, especially at a young age. They have a natural curiosity that you c...

Exploring the Night Sky is aimed at novice star gazers anxious to expand their astronomical repertoire beyond the Big and Little Dippers. Dickinso...

Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specificall...

We can make a variety of custom adapters for the HyperStar lens. These are often used with system such as filter drawers or with uncommon camera se...

High-quality quintuplet air-spaced SD glass Petzval Astrograph.   Product introduction ...

Description The secondary mirror cover can be used to cover the rear side of the secondary mirror. This considerably reduces the cooling of the se...

This bracket allows easy mounting of the ZWO EAF autofocus motor to an Airy Disk triplet refractor.  Tested to work with 85, 96, 106 and 140mm mode...

The Antlia ALP-T Dualband 3nm Ha&OIII Filter is a dual narrowband filter, which lets the red H-alpha (656.3nm) and the blue-green OIII (...

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...

Antlia OIII Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nmbandpass. As the bandwidth becomes narrower, the 3nm Pro narr...