Small box

Baader FlipMirror II Star Diagonal Baader-FlipMirror II Star Diagonal (BFM II) with three ports: Straight-through (S52, M48 and T-2 on both sides...

Astronomik CLS Filter The Astronomik CLS Filter is a budget filter for visual observation, Black & White photography and CCD photographs of neb...

Antlia IR Pass 685nm planetary 1.25" filter The Antlia IR Pass 685nm filter is an absorptive filter that allows infrared light with wavelengths of ...

Antlia H-beta and OIII Filter – 1.25″ Antlia HB-OIII filter is engineered specifically for night visual nebulae observation at a high contrast and ...

Antares Adapter 2" to 2" Extension ET2 extends any 2" accessory by 2". Accepts 2" filters. Double side screw with pressure band.   Technical Speci...

Antares 1.25" Variable Neutral Density Filter 3-40% Neutral density filters can reduce brightness across the visual spectrum without losing resolut...

Antares 0.5x 1.25" Focal Reducer Focal reducers can be used either visually or photographically to decrease focal length and increase true field at...

William Optics Slide-Base 50mm Guiding Rings Install your 50mm William Optics Guide Scope or Finder scope on your slide handle with the William Opt...

William Optics Saddle Plate for Vixen-style Dovetail Plate Weight：230g This William Optics saddle plate is designed to accept Vixen-style dovetail...

Tele Vue Nagler 5mm 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 31mm Type 5 With the Tele Vue Nagler 31mm Type 5, the unique 6-element design using four exotic glasses maintains the contrast adv...

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 Delos 8mm Includes continuously adjustable height eyeguard with index marks. Parfocal with all Tele Vue 1¼” eyepieces. Background 72° Appa...

Tele Vue Delos 6mm Includes continuously adjustable height eyeguard with index marks. Parfocal with all Tele Vue 1¼” eyepieces. Background 72° Appa...

Starlight Instruments Feather Touch Micro Focuser for SCT Feather Touch® Micro Telescope Focuser for Celestron 6″ Evolution Schmidt-Cassegrain Tele...

Starizona HyperStar 8/6 ZWO Filter Drawer Adapter for ZWO Cooled Cameras HyperStar 8 / 6 ZWO Filter Drawer Adapter for ZWO Cooled Cameras In the Bo...

PrimaluceLab V-Series 90mm PLUS Dovetail Plate The PrimaluceLab V-Series 90mm PLUS Dovetail Plate is part of our PLUS system (Prima Luce Universal ...

PrimaluceLab EAGLE Type Connector for power IN and 5A or 8A power OUT ports The PrimaluceLab EAGLE Type Connector for power IN and 5A or 8A power O...

Pegasus Pair of Black Aluminium Dovetail Brackets for PPBADV Pair of Mounting Brackets for Pocket Powerbox Advance     Technical Specifications Mat...

PrimaluceLab DX Finder Base The PrimaluceLab DX Finder Base can be installed on many telescopes to let you install finder supports from many brands...

Howie Glatter TuBlug 2" Newtonian Collimator Use the Howie Glatter TuBlug 2" with a regular laser collimator in single beam mode to perform barlowe...

IDAS NGS1 / LPS-D3 filter IDAS LPS-D3(formerly NGS1) filters enhance the contrast of astronomical emission nebulae against a sky with both man-made...

Celestron X-CEL LX 1.25" 3x Barlow Lens When inserted between the eyepiece and telescope, this premium 3x Barlow lens triples the magnification of ...

Celestron USB to RS-232 Converter Cable This cable is used to convert a serial cable into a cable that is compatible with standard USB ports. Recom...

Celestron Thermistor for Smart DewHeater Controllers Take the guesswork out of using third-party heating bands or straps and increase your power ef...

Chroma 3nm SII Filter The Chroma 3nm SII Filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is ...

Celestron Smart DewHeater and Power Controller 4x Work smarter, not harder, when it comes to combating dew. The Smart DewHeater and Power Controlle...

Celestron Reducer Lens .7x - EdgeHD 1100 Celestron’s EdgeHD reducers feature a custom 5 element optical design engineered to maintain the flat-fiel...

Celestron Polar finderscope - CG-5/AVX/CGEM Get some help polar aligning your Celestron CGEM, Advanced VX, or CG-5 mount with the addition of the P...

Celestron Polar finderscope - CG-4 Get some help polar aligning your Celestron Omni or CG-4 mount with the addition of the Polar Axis Finder. Insta...

Celestron Omni 32mm Eyepiece The 32 mm low power Omni eyepiece is a 4 -element premium symmetrical Plössl optical design. Features include black...

Celestron H-alpha H-beta OIII imaging filter, RASA 8 Bring out the best in your nebulae astroimages with the H-alpha H-beta OIII (Hα-Hβ-OIII) Imagi...

Celestron FirstScope Accessory Kit If you have a Celestron FirstScope telescope and want even more versatility and portability, take a look at the ...

Astronomy Plus Bahtinov mask The Bahtinov mask is a precision focusing aid designed for telescopes and astrophotography setups. It produces a diffr...

Explore Scientific Explore One 30mm Compact Binocular These lightweight 30mm binoculars are made to encourage on-the-go adventure. They have a brig...