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Baader Classic Ortho 18mm Eyepiece Even before the disappearance of the famed Baader Genuine Orthoscopics, Baader Planetarium sought to develop a t...

Baader Classic Ortho 6mm Eyepiece Even before the disappearance of the famed Baader Genuine Orthoscopics, Baader Planetarium sought to develop a tr...

Baader Zero-Tolerance Protective Canon DSLR T-Ring T-2/M48 and 2" Today's large sensor digital SLRs and advanced imaging techniques enable amateurs...

Baader DSLR-2" Filter Holder M48/SP54 Allows mounting of Baader 2" filters Needs Hyperion DT-rings #2958028 - 2458062 and additional Stepper Rings...

Baader T-2 C-Mount with mounted UV/IR Cut Filter 1" (25.4mm) C-mount (external thd) to T-2 Thread (internal thd) With integrated 1¼" filter mount ...

Baader C-Mount T-2 with integrated 1¼" Filterholder 1" (25.4mm) C-mount (external thd) to T-2 Thread (internal thd) With integrated 1¼" filter mou...

Baader 1" C-Mount-Adapter with 1-1/4" Nosepiece length 18mm 1¼" nosepiece with 1" (25.4mm) C-mount 18mm insertion length (with integrated 1¼ "filt...

Baader C-Mount Conversion-Ring 1"C(int) / T-2(ext)  Converts C-mount to T2 Thread Ring has 1" C-mount internal threads and external T-2 threads Al...

Baader C-Mount Nikon F-Mount Adapter Baader C-Mount adapter for Nikon F-mount DSLR camera lenses To connect DSLR camera lenses or DMK video module...

Baader C-Mount Canon EOS C-Mount to Canon EOS Adapter for DSLR camera lenses To connect DSLR camera lenses or DMK video modules Technical Specifi...

Baader IMP85 Extension IR90 37mm  37.5 mm Extension for the IR90 - Integrated Rotating Focuser from PlaneWave to the telescope to gain more back fo...

Lunt - 1.25" 90° Star Diagonal   Erect Image Diagonal Erect Image Diagonal Provide Correct Image View For Refractor And Cassegrain Telescope (Left-...

Antares 2" Binocular Filter adapter You can attach 2" filters to your roof prism binoculars with this set (2) of BAF1.  Fits binocular ...

Explore Scientific 99% Reflective 3" Diagonal The Explore Scientific 3-inch Dielectric-Coated Diagonal Mirror comes complete with 2 inch Adapter an...

Explore Scientific 99% Reflective 2" Diagonal  The Explore Scientific 2-inch Dielectric-Coated Diagonal Mirror comes complete with 1.25-inch Adapte...

Explore Scientific 120° Series 9mm Waterproof Eyepiece The Explore Scientific 9mm 120° Series eyepiece really is in a class by itself. The 120° app...

Explore Scientific 100° Series 3" 30mm Waterproof Eyepiece Huge apparent field of view not only gave the observer a panoramic visual experience, b...

Explore Scientific 100° Series 25mm Waterproof Eyepiece Huge apparent field of view not only gave the observer a panoramic visual experience, but ...

Explore Scientific 100° 20mm Waterproof Eyepiece Huge apparent field of view not only gave the observer a panoramic visual experience, but they re...

Explore Scientific 100° Series 14mm Waterproof Eyepiece Huge apparent field of view not only gave the observer a panoramic visual experience, but ...

Explore Scientific 100° Series 5.5mm Waterproof Eyepiece   Huge apparent field of view not only gave the observer a panoramic visual experience, b...

Unihedron Broad Spectrum Emitter  A source of broad spectrum (white), blue, green, yellow, orange/IR, and red light for optics demonstrations an...

Player One Apollo 428M MAX (IMX428) USB3.0 Mono Camera Pregius Technology Apollo 428M MAX (IMX428) is based on Pregius 3rd Generation. IMX428 is ...

Unihedron Sky Quality Meter Solar charger  This unit mounts to the sunny side of the SQM-H housing and charges up the 4xAA NiMH batteries (included...

Explore Scientific 92° Series 17mm Long Eye Relief Waterproof Eyepiece Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientif...

Explore Scientific 92° Series 12mm Long Eye Relief Waterproof Eyepiece Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientif...

Unihedron Sky Quality Meter - Window mount This Window mounting bracket is used for moving light pollution studies while a "connected" meter a...

Unihedron Sky Quality Meter - Tripod adaptors This adaptor kit was designed to fit the SQM, SQM,L,LU,LE,LR,DL. The battery compartments in the hand...

Explore Scientific 68° Series 34mm Waterproof Eyepiece Using advanced computer design, combinations of low dispersion and high refractive index opt...

Explore Scientific 68° Series 28mm Waterproof Eyepiece Using advanced computer design, combinations of low dispersion and high refractive index opt...

Explore Scientific 68° Series 20mm Waterproof Eyepiece Using advanced computer design, combinations of low dispersion and high refractive index opt...

Explore Scientific 68° Series 16mm Waterproof Eyepiece Using advanced computer design, combinations of low dispersion and high refractive index opt...

Explore Scientific 62° Series 40mm Waterproof Eyepiece Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62...

Explore Scientific 52° Series 40mm Waterproof Eyepiece The longest focal length in the 52° Series with the longest eye relief, the 40mm is also the...

Diagonal, 2",prism, 45 Degree, SCT 2EID45S is a 45 degree 2" precision polished correct image amici prism for Schmidt-Cassegrain thread-on that all...

Explore Scientific 52° Series 25mm Waterproof Eyepiece Long considered the “standard” eyepiece that is often supplied with telescopes that are sold...