Products

3nm Dual-Bandpass: Isolates H-Alpha (656.3 nm) and OIII (500.7 nm) emission lines with extreme prejudice against light pollution. ≥85% Peak Tran...

Produces a fully erect, non-reversed image Comfortable 45° viewing angle for terrestrial observation Standard 1.25" barrel fits most refractor tel...

90° Deflection Angle for Comfortable Viewing Aluminum-Coated Mirror with >92% Reflectivity Standard 1.25" Barrel and Eyepiece Clamp Accepts 1.2...

Produces an erect, non-reversed image for terrestrial and astronomical viewing 45° deflection angle provides a comfortable viewing position Phase-...

Produces a 90° erect, non-reversed image Standard 1.25-inch barrel size BK7 prism with anti-reflection coatings 19mm clear aperture CNC machined a...

Reflects over 99% of incoming light with a lab-tested dielectric coating Features a 1.25" Clicklock mechanism for fast, secure eyepiece changes Pr...

Features a 2-inch barrel with a >99% reflectivity dielectric mirror Convenient Clicklock clamping mechanism for secure eyepiece attachment Defl...

Universal dovetail base for finder scopes and other aiming devices Features 4.2mm universal dovetail slots for wide compatibility Equipped with tw...

Payload Capacity: 10kg (22 lbs) Mount Weight: 3kg (6.6 lbs) Drive System: 120-Tooth Worm Gear on Both Axes Saddle Type: Vixen-Style Motion Ra...

Lightweight CNC Aluminum Construction Net Weight of 1546g Dual Axis Slow-Motion Controls Standard Vixen-style Dovetail Saddle Mounts to Tripods vi...

Supports up to 3kg of equipment Maximum extended height of 900mm Folds to a compact 500mm for transport Robust 32mm maximum leg tube diameter Stan...

Magnetic drawer for rapid filter changes CNC-molded integrated body for light-leak prevention Native M42x0.75 threads for common cameras and reduc...

Supports both 1.25" and 2" filters in one drawer 12-point M2.5 threaded mounting for guide camera stability Includes M42, M48, and M28.5 threads f...

Isolates the 656.3nm H-Alpha wavelength Aggressive 5nm Full Width at Half Maximum (FWHM) bandpass Peak transmittance of ≥90% for high signal throu...

Isolates the Oxygen III emission line at 500.7nm Extremely narrow 5nm Full Width at Half Maximum (FWHM) bandpass Achieves ≥90% peak light transmit...

Complete 1.25-inch SHO (SII, H-Alpha, OIII) filter set Tight 5nm bandpass for high-contrast imaging Peak transmission rate of ≥90% at key waveleng...

Captures Sulfur-II (SII) emission at a 672nm center wavelength Extremely narrow 5nm bandpass for maximum contrast Peak light transmission of ≥90% ...

Certified safe for direct solar viewing to standard ISO 12312-2:2015 Fits optical tubes with an outer diameter from 80mm to 118mm Features a 103mm...

8mm to 20mm Continuous Zoom Focal Length Parfocal Design Maintains Focus Across Zoom Range Aspheric Optics for Edge-to-Edge Sharpness Long 17-19mm...

Reduces violet fringing (chromatic aberration) in achromatic refractors Standard 1.25" filter threads for universal compatibility Blocks IR wavele...

6mm & 17mm Plössl Eyepieces 2x Barlow Lens (2-Element) Moon, ND, and #82A Color Filters 1.25" Barrel Size Fully Multi-Coated Optics M28.5x0.6m...

Corrects tracking errors and opto-mechanical flexure Large 8 × 14 mm prism for bright guide stars Slim 12.5 mm body thickness preserves back focus...