Astrophotography

Adapts Alan Gee II Telecompressor to larger SCTs Ensures precise optical alignment Designed for Celestron 9.25" and 11" Schmidt-Cassegrain OTAs Pr...

Unique telecompressor designed for visual use with binoviewers Based on the flat-field Alan Gee design by Roland Christen of AstroPhysics Enables ...

Available with 450, 650, 850 or 1250mm Clear Aperture Flicker-Free, Dimmable Illumination Full-Spectrum Light Source for All Filters Robust, Obser...

Designed for Tube Diameters from 140-185mm Solid, Turned Aluminum Construction Non-Rotating, Non-Marring V2A Steel Tips Ball-Bearing Adjustment Me...

Size IV Guidescope Rings (Pair) Non-Rotating, Non-Marring Adjustment Screws Ball-Bearing V2A Steel Screw Tips Integrated Accessory Mounting Points...

Three-Port Electronic Instrument Selector Unmirrored, Zero Light-Loss Main Imaging Port (Port 1) Two Mirrored Ports for Ancillary Instruments (Por...

Connects IMP85 Instrument Selector to 3.5" Hedrick Focuser Compatible with PlaneWave CDK 14/17/20/24 Telescopes Enables Remote, Electronic Switchi...

Connects IMP85 Instrument Selector to IR90 Focusers Enables Multi-Instrument Setups Facilitates Remote Observatory Automation Solid, Precision-Mac...

Adapts the IMP85 instrument selector to telescopes with an IR90 focuser Provides a short, rigid connection with a 20mm optical path length Enables...

Adapts the IMP85 Instrument Selector S120a Port Connects to M100a Male Threads Enables Multi-Port Instrument Configurations Provides a Solid, Secu...

Connects IMP85 Port Selector to M100i threaded accessories Telescope-Side Thread: S120a Camera-Side Thread: M100i (M100x1 female) Designed for All...

Connects the IMP85 Instrument Selector's S120a port to M68i accessories Enables secure, stable mounting of M68-threaded components Essential part ...

Connects IMP85 Instrument Selector to PlaneWave SecureFit focusers Enables automated switching between three optical paths Designed for remote obs...

Provides 37 mm of fixed extension Designed for the IMP85 Instrument Port Selector Compatible with the IR90 Focuser Enables parfocal alignment of m...

Enables use of up to three instruments on a single telescope Unmirrored, straight-through main optical path (Port 1) Two electronically-switched s...

Converts M48 Female (Internal) Threads to Male (External) Standard M48 x 0.75 Filter Thread Pitch Solves Incompatible Gender Connections in an Opt...

Provides 4mm of fixed spacing Internal T-2 (female) threads Locks rotational orientation of accessories Thin profile for fine back-focus adjustmen...

19mm Extension Length Proprietary M36.5 Threading Designed for the Baader Alan Gee II Telecompressor Thin-Walled for SCT Baffle Tube Clearance ...

Adds 7.5 mm of optical path length Standard M48 x 0.75 female and male threads Precision-machined for a rigid, tilt-free connection Matte black in...

Enables rapid swapping of M48-threaded accessories Heavy-duty design securely holds cameras and filter wheels Rotation-proof dovetail connection p...

Provides 0 to 1° of tilt adjustment Corrects sensor-to-focal-plane alignment Standard M48 x 0.75 female and male threads Minimizes corner star elo...

Converts M48 threads to the Baader S48a dovetail standard Enables rapid, secure attachment and detachment of accessories Provides a rigid, non-rot...

Heavy-Duty Quick-Change System M48i Thread Connection S48i Dovetail Receptor Rotation-Proof Mounting for Heavy Accessories Description FAQ Spec...

Adds a fixed 10 mm of optical path length M54 female (M54x0.75) and male (M54x0.75) threads Prevents vignetting with larger imaging sensors Machin...