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ZWO AR Protective Window for ASI ZWO D21 AR protect window Technical Parameter: Diameter: 21mm Type: AR window Thickness: 1.1mm Flatness: 1/4 λ Pro...

ZWO 2.5mm 170° Lens The ZWO 2.5mm 170° Lens Lens is an all sky lens that supports 1/2″ sensors. Compatibility It supports 1/2″ sensors such as the:...

ZWO 2.1mm 150° Lens The ZWO 2.1mm 150° Lens is an all sky lens that supports 1/3″ sensors. Compatibility It supports 1/3″ sensors such as the: ASI...

ZWO Nikon Lens Adapter for EFW The ZWO Nikon Lens Adapter for EFW is a short Nikon adapter for EFW & Cooled camera (6.5mm backfocus version). N...

Tele Vue Set of 6 Accessory Tubes for 2.4" The Tele Vue Set of 6 Accessory Tubes for 2.4″ is a complete set of the tubes/spacers. This allows great...

Tele Vue SCT Bracket The Tele Vue SCT Bracket should be permanently installed on the desired area of your SCT using screws supplied with the SCT. T...

Telrad Reflex Sight Finder with Tinted Glass The Telrad Reflex Sight Finder is one of the best on the market. Easy to use, it can be fixed to any t...

Tele Vue Imaging System Nosepiece for 2" Focuser This is a key component to the imaging system's versatility on non-"is" scopes. By placing the Tel...

Tele Vue Ethos 8mm The Tele Vue Ethos 10mm is parfocal with the Tele Vue Ethos 13mm. Its 59mm rubber grip diameter makes this model usable in bino...

Tele Vue DIOPTRX Astigmatism Corrector Your telescope's focuser is used to compensate for your near- or far-sightedness; DIOPTRX™ compensates for y...

Sky-Watcher Shutter Release Cable for Canon for Canon 5D The Sky-Watcher Canon 5D Cable Release makes capturing panoramic images and time-lapses wi...

Tele Vue Delos 3.5mm Includes continuously adjustable height eyeguard with index marks. Parfocal with all Tele Vue 1¼” eyepieces. Background 72° Ap...

Tele Vue Delos 17.3mm Includes continuously adjustable height eyeguard with index marks. Parfocal with all Tele Vue 1¼” eyepieces. Background 72° A...

Tele Vue DeLite 9mm 62° Apparent Field EyepiecesConcept: Just as Delos eyepieces were developed based on Tele Vue’s Ethos eyepiece design advanceme...

Tele Vue DeLite 7mm 62° Apparent Field EyepiecesConcept: Just as Delos eyepieces were developed based on Tele Vue’s Ethos eyepiece design advanceme...

Tele Vue DeLite 13mm Background 62° Apparent Field EyepiecesConcept: Just as Delos eyepieces were developed based on Tele Vue’s Ethos eyepiece desi...

Tele Vue Bandmate OIII Filter The Tele Vue Bandmate OIII Filter passes light from doubly ionized oxygen atoms. As such, it is great for viewing pla...

Tele Vue 400-600mm 0.8x Reducer & Flattener The Tele Vue 400-600mm 0.8x Reducer & Flattener converts TV-85 to 480mm f/5.6 and TV-76 to 380m...

Tele Vue 2" SCT Adapter Connect your Tele Vue diagonal to your SCT with the Tele Vue 2" SCT Adapter. In the Box SCT Adapter Manual & Warrant...

Tele Vue 2" 90° Everbrite Diagonal Whiter and brighter images. Simply put, that is the benefit the Everbrite mirror coating. The Tele Vue 2″ 90° Ev...

Tele Vue 1.25" Questar Adapter Unleash the potential of your Questar 3.5 with Tele Vue’s 1¼”. Just add the Tele Vue 1.25″ Questar Adapter to use an...

Tele Vue 1.25" 90° Everbrite Diagonal Whiter and brighter images. Simply put, that is the benefit the Everbrite mirror coating. The Tele Vue 1.25″ ...

Starizona Filter Slider 2" to 1.25" Filter Adapter This filter step ring is made specifically with the Starizona Filter Slider system in mind. It i...

Sky-Watcher Dovetail 180mm Universal D-plate 7" (180mm) Losmandy style D-plate Numerous holes for mounting on a wide variety of telescopes Anodize...

QHYCCD QHY5III485C USB 3.0 Camera QHYCCD is pleased to announce a new addition to its line of high speed, high QE, low noise, planetary cameras, t...

Sharpstar Coma Corrector MPCC Following the advent of 0.95x coma corrector for Newtonian reflector, SHARPSTAR optics has well received the favor ...

PrimaluceLab T2 spacer 1mm   T2 spacers are available with 0,5mm or 1mm thickness and are used together with T2 extensions in order to fine set ext...