Products

Custom-molded organizer for NANUK case lids Features three or five zippered, anti-tear compartments Transparent pockets keep accessories visible I...

Custom-fit for NANUK 935 and 962 cases Adds structured storage within a 19.9" x 10.4" footprint Features multiple zippered mesh compartments and e...

Adds a versatile MOLLE attachment system to your NANUK case lid Dimensions: 18.6 in x 10.5 in Ultra-slim 0.2 in profile Lightweight design adds on...

Designed for specific Nanuk hard cases Create custom-sized compartments for gear Repositionable hook-and-loop fasteners Protects equipment with th...

Reusable desiccant canister for long-term moisture control Actively prevents rust, corrosion, mold, and mildew Ideal for protecting optics and ele...

Neoprene strap with Aircell™ comfort technology Reduces fatigue when carrying heavy cases IP67-rated waterproof construction Attaches directly to ...

Interior: 10.8 x 7.1 x 9 in (27.4 x 18 x 22.9 cm) | Exterior: 12.9 x 9.7 x 10.3 in (32.8 x 24.6 x 26.2 cm) | Weight: 3.8 lb (1.7 kg) Waterproof Ra...

Interior: 14.3 x 6.1 x 11.1 in (36.3 x 15.5 x 28.2 cm) | Exterior: 16.5 x 9.3 x 12.5 in (41.9 x 23.6 x 31.8 cm) | Weight: 5.8 lb (2.7 kg) Waterpro...

TSA-Accepted design for hassle-free airport inspections IP67 waterproof rating protects against dust and water ingress Designed for a universal fi...

Adds TSA-approved locking to compatible NANUK cases Maintains the case's IP67 waterproof rating after installation Travel Sentry® approved for has...

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...

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...

Achieve Critical Focus with Dim Stars Transmission >98.5% Across the Visible Spectrum λ/4 Transmitted Wavefront for Image Integrity Parfocal wi...

Suppresses common sources of urban light pollution Enhances contrast for deep-sky objects Improves natural color balance in astrophotography Durab...

Suppresses common light pollution sources Average transmission greater than 90% on key nebula emission lines Blocks light pollution lines with >...