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ADM V Series Dovetail Bar for Celestron 8″ SCT Telescope Fits all Celestron 8″ OTA’s including CPC and HD models. Curved radius blocks and mounting...

Baader M54 Male to 2'' ClickLock Clamp - For Sky Watcher and Orion The wait is over. Baader Planetarium has developed the big brother to their accl...

Takahashi Tube rings 125WS  Tube rings 125WS for FSQ-106ED refractor Tube rings allow optical tubes and accessories to be mounted parallel to the m...

Pegasus Astro Pack of 2 x 2.1 to 2.1 Cables 0.5m Angled Measuring 0.5 m (1.6 ft.) in length, this two-pack of Pegasus Astro Male 2.1 mm x 5.5 mm...

Bob's Knobs for Celestron 5" SCT A. Knobs for C5 f/10 Secondary with Standard Collimation Screw ThreadsPart Part: C5stdFits: Celestron 5” (13 cm) ...

Pegasus Adapter M54 Male to M48 Female Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 4 mm length In the Box Peagsus Adapter M54 Male to M48 Fe...

Bob's Knobs for Celestron 9.25” SCT  A. Knobs for C9.25 f/10 Secondary with Standard Collimation Screw Threads Part: C9.25stdFits: Celestron 9.25”...

Askar 0.7x Universal Reducer for 107PHQ/130PHQ/151PHQ Askar’s new-launched 3” 0.7x full-frame reducer adapts for 107PHQ, 130PHQ & 151PHQ. It ha...

Bob's Knobs for Celestron 6” SCT  The knobs below will fit almost all versions of the Celestron 6” Schmidt-Cassegrain secondary. Price is for a com...

SVBONY SV207 1.25 inch Super Plossl 8mm / 15mm  / 30mm 50-Degree Eyepiece   Fully multi-coated optics; the eyepiece ensures that each glass surfac...

SVBONY SV135 7mm to 21mm 1.25inch Zoom Eyepiece  Zoom Eyepiece eliminates the need to change eyepieces so you can spend more time viewing the nigh...

SVBONY SV161 1.25inch Double Helical Micro Focuser  The SVBONY Helical Focuser allows for precise focusing of eyepieces or cameras. It is ideal ...

Astroasis CAA Camera Angle Adjuster Camera Angle Adjuster designed to meet the needs of astrophotograpy angel selection, with 360 degree free rotat...

PrimaluceLab Dew Heater The dew heater is placed on the optical tube to prevent optics dewing. A very common problem especially in winter and in se...

PrimaluceLab PLUS Support Rings The PLUS support rings are part of our system PLUS (Prima Luce Universal System) which includes a large variety of ...

Player One Photosphere 7.5nm 1.25″ Filter E-series  Player One E-series is an upgrade series of S-series, using high quality optical glass substrat...

William Optics 1.25" DURA BRIGHT Dielectric Diagonal Introducing New model William Optics Dura-Bright diagonal - a dramatic step forward in the evo...

Svbony SV136 1.25" Barlow 3x The SV136 3x Barlow does not require a very long extension between the telescope and the eyepiece to directly increase...

Shelyak Star Analyser 100 The Star Analyser 100 is a high efficiency 100 lines/mm transmission diffraction grating, blazed in the first order. It i...

Pegasus EQ6 Universal Adapter for the NYX-101 Mount A pier extension (+18 cm / 7” is available). The pier can be easily constructed by purchasing t...

Antares M48-M42 Camera Adapter M48-M42 reduces female M48 to female M42 In the Box Antares M48-M42 Camera Adapter Warranty & Manuals Antares ...

Celestron 5MP Digital Microscope Imager Turn your traditional microscope into a digital microscope with the Celestron 5MP Digital Microscope Imager...

Baader T-2 adjustment/spacer-rings Altogether 15 pc - in 5 sizes, three rings per size (thickness 0.6/0.8/1.0/1.2/1.4mm) Well suited to tune the r...

Baader Double Polarizing Filter Baader Double Polarizing Filter Screws into 1¼ or 2" eyepieces/threads. The two filters can be rotated relative to ...

Baader Diamond Steeltrack T-2 Adapter BDS-Adapter with T-2 outer thread to connect T-2 parts Mounted instead of the standard clamp with the S58 do...

Antares Finderscope 50mm Correct image illuminated - 55° AFOV The Antares IFRE50WT features right angle correct image viewing with the helical...

Antares W70 15mm 70° The Antares W70 15mm 70° does not have negative achromat compensation, and is recommended only for telescopes with a high f/ra...

Antares SCT Adapter Twist-Lock 2" Tired of threading your Schmidt-Cassegrain accessories on and off? Switch to a smooth 2" barrel with a T2TL Twist...

Antares M42 Camera Adapter 1.25" DP1 adapts your 1.25" focuser or diagonal directly to M42 T-Thread. Threaded for filters.   In the Box Antares M42...

Antares 0.7x 2" Focal Reducer The Antares 0.7x 2" Focal Reducer is the same 4-element f/6.3 lens system used for f/10 Schmidt-Cassegrain telescopes...

Tele Vue Eyeguard Extender Many of our eyepieces, such as Radians, Delos, Nagler type 4, 55 Plössl, 41 Panoptic have adjustable height eyeguards t...

Tele Vue Ethos 13mm The Tele Vue Ethos 10mm is parfocal with the Tele Vue Ethos 13mm. Its 59mm rubber grip diameter makes this model usable in bin...