Parts and Accessories

Enables automated temperature focus compensation Designed exclusively for the Focuser Boss II Electronic Focuser Software-guided setup via the Tem...

Connects a Starlight Instruments True 3.0" Focuser to select telescopes Designed specifically for Explore Scientific 127mm and 140mm Carbon Fiber ...

Connects FTF32XX Series True 3.0" Feather Touch Focusers Coupled Collar Design for Secure, Rotatable Mounting Enables 360° Focuser Rotation for Pr...

Designed for the Starlight Instruments True 3.0" Feather Touch Focuser Custom-machined to match your specific telescope tube radius or diameter Fe...

Flat base for Starlight Instruments True 3.0" Feather Touch Focusers Features integrated leveling screws for precise collimation 4.4" center-to-ce...

Adapts True 3.0" Feather Touch focusers to use 2.0" accessories Features a non-marring brass compression ring Provides a secure, rigid connection ...

Adapts Feather Touch True 3.0" focusers Accepts 3.0" barrel eyepieces and accessories Features a non-marring brass compression ring Provides a sec...

This Dovetail Camera mount works for control of lenses with Helical focusing on any DSLR camera. This can be controlled via PC or through a Hand p...

Adds 802.11 WiFi capability to the Focuser Boss II Control your focuser from any smartphone, tablet, or computer Browser-based interface requires ...

Securely connects 1.25" focal reducers to C-mount cameras All-metal construction prevents flexure and maintains alignment Eliminates loose connect...

Protects 42mm Objective Lenses Fits Binocular Barrels with 52-54mm Outer Diameter Tethered Design Prevents Loss Shields Against Dust, Rain, and Sc...

Achieve Prime Focus with SLR/DSLR Cameras Provides Necessary Focuser Extension All-Metal Aluminum Construction Lightweight and Durable Design Wide...

Full Metal Construction for Zero Flexure 42mm Wide Universal Mounting Base Fits Celestron, Orion, Sky-Watcher, and Vixen Telescopes Ideal for Addi...

Includes four M42 extension tubes: 5mm, 10mm, 15mm, and 20mm Standard M42x0.75mm T2 male and female threads Stackable to achieve combined lengths ...

Professional Geological Pocket Transit Lightweight at 106g (3.7oz) Compact Dimensions: 80mm x 70mm x 32mm Integrated Clinometer for Vertical Angle...

Complete 3-Piece Lens Cleaning Kit Includes Air Blower, Brush, and Microfiber Cloth Safe for All Coated Optics Non-Abrasive, Non-Toxic Materials R...

Precise 635-655nm red laser for accurate optical alignment 7 adjustable brightness levels for visibility in any condition Triple-cemented lens ens...

Connects M42 (T2) accessories to M48 (2") threaded components Machined from aluminum alloy to a 0.1mm accuracy Adds a precise 31.5mm of height to ...