Parts and Accessories

Compatible with LS40THa and LS50THa Focuser Type: Rack & Pinion Focuser Ratio: Dual Speed 10:1 Barrel Size: 1.25" Connection: Non-Marring Bras...

Made of black anodized aluminum with 1/4-20 threads. Width fits Vixen-style mounts. The Lunt Dovetail Bars are the perfect match for Vixen-style m...

Made of black anodized aluminum with 1/4-20 threads. Width fits Vixen-style mounts. The Lunt Dovetail Bars are the perfect match for Vixen-style m...

Made of black anodized aluminum with 1/4-20 threads. Width fits Vixen-style mounts. The Lunt Dovetail Bars are the perfect match for Vixen-style m...

Precision Electronic Collimator for Newtonians, Ritchey-Chrétien telescopes (and SCT's, with limitations) High-Resolution CMOS Sensor Real-Time So...

Rich Simons of Deep Sky Instruments and Optec have jointly developed a new, larger diameter standard spacer for large aperture telescopes. Like th...

Optec-DSI 3.5x24tpi male thread to M72x1mm (male) Takahashi thread. Outside Diameter: 3.82" (97.0mm) Overall Height: 0.74" (18.8mm) Clear Aperture...

Optec engineers have developed a completely new concept for combining telescope focus and camera rotation functions into a single robust, yet compa...

The #19830 OPTEC-4300 to female Optec/DSI 3.5" threaded receiver allows any combination of our DSI 3.5-inch spacers to be easily installed on the c...

Optec engineers have developed a low profile, yet extremely robust 3-inch focuser for telescope installations where back-focus is at a premium. Wi...

  If you own our 2.1mm PSU 12V/10A you can use this adapter to power your NYX-101 mount Female 2.1mm x 5.5 to GX12-2 Max current: 10A Length: 0.3m...

Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 6 mm length M54 side has a M48 internal thread

Pegasus Adapter M54 Male to M48 Female

Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 4 mm length M54 side has a M48 internal thread

Pegasus Adapter M54 Male to M54 Male

Introducing the Pegasus Astro FocusCube 3, our cutting-edge solution for achieving fast, reliable, and precise focusing of your telescope in the ev...

The Pegasus Astro Saddle Powerbox is a versatile and indispensable accessory for astronomy enthusiasts and astrophotographers alike. This innovativ...

Introducing the Pegasus Astro Spider Clamp (PEG-SPIDERCLAMP), your solution for securing and safeguarding power and data cables against snags and c...

DewMaster was made for the visual astronomer. Connect up to five dew heaters and control them individually using PWM duty cycle. Full digital oper...

DewMaster2 is the next evolution of our popular DewMaster, offering enhanced functionality for dew heater management. Connect and control up to fi...

DewZap is our Dual Channel Dew Heater Controller. Simple to use, powerful and very compact is your best companion against the dew during long astro...

Focus fast, reliable and accurate your telescope using a stepper or DC motor and our controller.Version3: Same features, more powerful motor output...