Products

A Polarizing Filter will help control the brightness of the Sun’s image when using a Lunt White Light Wedge visually. Choose either a 1.25″ or 2″ ...

1.25" Eyepiece Holder with Brass Compression Ring 10:1 Dual-Speed Fine Focus Control Rack and Pinion Drive System Adjustable Drawtube Tension All-...

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...

We will help you set up your NINA profile and equipment and we will help you master the software. We usually do it on Zoom (where you have control ...

Stop settling for "fuzzy" stars or bluerry planets.If, even in good seeing, your Newtonian telescope isn't providing the crisp, high-contrast views...

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

The Flat-Man L is the big brother of the Flat-Man, for telescopes in the 8-12.5" range. The Flat-Man L uses the same electroluminescent technology ...

Re-designed and re-introduced in 2020, Optec's new Flat-Man XL-2 electroluminescent calibration panels make it easy to obtain your flat-field calib...

Optec has partnered with Chris White of Overcast Observatory to re-design the Flip-Flat electroluminescent calibration panel mechanical design. Th...

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...

In good condition. Comes with original packaging Works with OTA dew shields up to 7-5/8" (194mm) Illumination up to 170mm

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...

H-alpha 656.3nm Emission Line 3nm FWHM Bandpass Anti-Halo Design Descriptio...

Optolong L-eNhance is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and monochrome CCD cameras. The convenienc...

L2 Dual-Combo Filter Set (L-eXtreme + L-Synergy) The L2 Dual-Combo Set includes two premium dual-narrowband filters engineered to unlock...

L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is a...