Products

1.7x focal length multiplier Enables binoviewer use in Newtonian telescopes Integrated coma corrector for sharp edge-of-field stars Inserts into B...

Available in 1.25x and 1.7x magnification factors Corrects prism-induced color aberrations in fast telescopes Extends optical path to solve backfo...

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...

H-alpha Bandpass Filter in 1.25" & 2" Sizes 20nm FWHM Bandwidth 656.3nm Center Wavelength Optimized for Color CMOS/CCD Cameras High-Contrast f...

Engineered for ultra-fast f/2 optical systems 6.5nm H-alpha bandpass for high-contrast imaging CMOS-optimized to suppress halos and internal refle...

Engineered for f/2 ultra-highspeed optical systems 3.5nm bandpass for maximum H-alpha contrast CMOS-optimized with anti-reflection coatings Availa...

3.5nm H-alpha Bandpass Optimized for f/3 Ultra-High-Speed Systems Available in 1.25" & 2" mounted, 31mm, 36mm & 50.4mm round unmounted, an...

3.5nm Ultra-Narrow Bandpass Available in 1.25" & 2" mounted, 31mm, 36mm & 50.4mm round unmounted, and 50x50mm & 65x65mm square sizes C...

Isolates Hydrogen-Beta (H-Beta) Emission Line 5.5nm FWHM Narrowband Passband Available in 1.25" & 2" Mounted, 31/36/50.4mm Round Unmounted and...

Provides a secure carrying point for large telescopes Mounts directly to 3-inch Losmandy-style dovetail bars Includes two integrated 3-inch rider ...

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 female M100 threads via its M100a (male) thread Enables Multi-Port Instrument Configur...

Connects IMP85 Port Selector to M100i threaded accessories Telescope-Side Connection: S120a dovetail Camera-Side Thread: M100i (M100x1 female) Des...

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

Connects the IMP85 Instrument Selector to the PlaneWave SecureFit system Enables automated switching between three optical paths Designed for remo...

Provides 37.5 mm of fixed extension Designed for the IMP85 Instrument Port Selector Compatible with the IR90 Focuser Enables parfocal alignment of...

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 ...