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Antares W70 31mm 72° The 2" Antares W70 31mm 72°  gives you a big view of the sky at a low price. The 6-element fully multicoated design features 7...

ZWO T2 to M43 adapter T2 to M43 adapter, suitable for ASI1600 ASI294 ASI183 ASI174 series and ASI533MC-P cameras.       Connection Guide: F...

Antares Adapter for Maksutov-Cassegrain And SCT Do you want the full repertoire of Schmidt-Cassegrain accessories for your Maksutov-Cassegrain? Jus...

ZWO IR 850nm Pass Filter 1.25" The ZWO IR 850nm Pass Filter 1.25″ suitable for IR sensitive cameras. The transmission properties of the IR 850nm Pa...

Antares 2" 90° Dielectric Diagonal The Antares 2" 90° Dielectric Twist-Lock Diagonal has multilayer dielectric coating with 99% reflectivity in gre...

Antares 1.6x 2" Twist-Lock Barlow The Antares 1.6x 2" Twist-Lock Barlow can be used photographically with T2 thread output, or visually with the tw...

ADM D Series 3.5 lbs Counterweight with Side Mounting Option The ADM D Series 3.5 lbs Counterweight with Side Mounting Option fits D Series dovetai...

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:...

William Optics 0.8x Flattener/Reducer Flat6AIII Special Edition For Fluorostar 91 All New Adjustable Flat6AIII with M92 thread adapter for use wi...

Tele Vue Plössl 40mm The Tele Vue Plössl 40mm has a long eye-relief 40mm focal length with a 43° apparent field. Like the 55mm, its focal plane is...

Tele Vue Paracorr Type 2 Mount your DSLR or CCD to the Tele Vue Paracorr Type 2 lens assembly and the quality of full frame photos will be spectacu...

Tele Vue Nagler Zoom 3-6mm (ENZ-0306) The Tele Vue Nagler Zoom 3-6mm has click stops every mm. Background 100° & 110° Apparent Field Eyepiece...

Tele Vue Nagler 7mm Type 6 The 7-element, Tele Vue Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design...

Tele Vue Nagler 22mm Type 4 Applying the experience of the Radian development to the 82° Tele Vue Nagler Type 4 series, yielded more contrast, re...

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 Ethos 21mm The Tele Vue Ethos 10mm is parfocal with the Tele Vue Ethos 13mm. Its 59mm rubber grip diameter makes this model usable in bin...

Tele Vue Delos 10mm Includes continuously adjustable height eyeguard with index marks. Parfocal with all Tele Vue 1¼” eyepieces. Background 72° App...

Sky-Watcher Star Adventurer Dec Bracket The Sky-Watcher Star Adventurer Dec Bracket allows you to mount a telescope with a 1/4" thread screw on the...

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...

Sky-Watcher Nikon M48 T-Ring Designed for attaching a Nikon DSLR camera to any of the Sky-Watcher 0.85x Focal Reducer/Correctors.M48 rings are u...

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...

PrimaluceLab V-Series 350mm PLUS Dovetail Plate The PrimaluceLab V-Series 350mm PLUS Dovetail Plate is part of our PLUS system (Prima Luce Universa...

PrimaluceLab V-Series 140mm PLUS Dovetail Plate The PrimaluceLab V-Series 140mm PLUS Dovetail Plate is part of our PLUS system (Prima Luce Universa...

PrimaluceLab PLUS 30mm Spacers When we install many instruments (for example telescope with guide scope in parallel) on the mount, it can happen th...

PrimaluceLab EAGLE Type Connector for 3A Power OUT Ports The PrimaluceLab EAGLE Type Connector for 3A Power OUT Ports  allow you to it allows you t...

Pegasus DSLR Battery Coupler The Pegasus DSLR Battery Coupler allows you to power your Sony, Fuji, Nikon and Canon DSLR / Mirrorless from the DSLRB...

Pegasus Astro Prodigy Microfocuser Telescope Adapters Adapter for SCT 2" SCT 2-inchCan be used with SCT 2”telescopes (for 2” male thread telescop...

Pegasus Astro LRGB Photographic Filter Parfocal LRGB Filters Broadband filters are parfocal which ensures that you will not have to refocus when yo...

Lunt 50mm Ha Etalon Filter for LS60Tha & LS60MT - New Gen Etalon LS50FHa solar filter front-mounted non-obstructed hydrogen-alpha filter for u...

Optolong IR Pass685 Planetary Filter Optolong IR Pass 685nm filter is designed to block wavelengths below 670nm and can be used in IR-LRGB imaging ...

Losmandy Gemini System AC-DC Power Supply The Losmandy Gemini System AC-DC Power Supply is the power adapter for use with AC. Universal Input: 100~...

Losmandy DV Series Single Axis Camera Mount The Losmandy DV Series Single Axis Camera Mount works with both D and V series plates. One axis, 360 de...

Howie Flatter Variable Laser Brightness Cap Upgrade Variable Laser Brightness battery cap/switch upgrade for laser collimators. Technical Specifica...

HoTech 2" SCA Dot Laser Collimator The HoTech 2" SCA Dot Laser Collimator separates itself from all other laser collimators with its innovative sel...