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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 62° Series 5.5mm Waterproof Eyepiece Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 6...

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...

Explore Scientific 52° Series 20mm Waterproof Eyepiece Often considered the perfect mid-range focal length for most amateur telescopes, the 20mm on...

Unihedron Sky Quality Meter - Weatherproof Housing This housing design is made to protect the SQM-LE/LU from normal outdoor conditions including w...

Explore Scientific 62° Series 14mm Waterproof Eyepiece Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62...

Explore Scientific 1.25" 2x Focal Extender A good Focal Extender adds some real versatility to your telescope accessory line-up. First of all, it a...

Unihedron Sky Quality Meter - LR An RS232 SQM model for night-time sky brightness monitoring! An affordable meter for continual, connected meas...

Explore Scientific 62° Series 20mm Waterproof Eyepiece Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62...

Unihedron Sky Quality Meter - LE An ethernet-enabled SQM model for night-time sky brightness monitoring! An affordable meter for continual, con...

Baader IMP85 Adapter to M68i Connection camera side to M68x1 female thread on the Port 1 of the Instrument Multi Port IMP85 (#2451300) A variety ...

Baader IMP85 Adapter to FT 3.5" Telescope adapter for telescopes with Starlight Instruments FeatherTouch 3.5" focuser to the Instrument Multi Por...

Baader IMP85 Adapter to M100 Internal This adapter is used to povide a M100x1 female thread for Alluna Optics at port 1 of the Instrument Multi P...

Baader IMP85 Adapter to M100 External This adapter is used to mount the Instrument Multi Port IMP85 (#2451300) for Alluna Optics M100a (male thre...

Baader IMP85 Adapter to IR90 Focuser This adapter is used to mount the  Instrument Multi Port IMP85 (#2451300) to telescopes with IR90 focuser. A...

Baader Instrument Multi Port IMP85 The ability to get multiple benefits from a telescope opens up whole new worlds for remote observatories as well...

Baader IMP85 Adapter to Hedrick Focuser This adapter is used to mount the  Instrument Multi Port IMP85 (#2451300) to the PlaneWave CDK 14/17/20/2...

Baader M55a/M68a Adapter for all 2" Baader mirrors and prisms Baader M55a / M68a (Zeiss) adapter for all Baader 2" mirror and prism star diagona...

Baader 2" NexStar Locking Ring Allows direct connection of Baader 2" Zenith Prisms and mirrors to Schmidt-Cassegrain telescopes. For Celestron S...

Baader 2" Amici-erecting-prism 90° with 2" holder and 2" sleeve 90 ° Amici-erecting-prism with 2 "eyepiece and 2" barrel Including Reduction 2 "...

Baader 2" Amici-Erecting-Prism 45° with 2" SC-Thread and 2"/1¼"-Reducer 2" SC-thread and 2"/1¼"-reducer Direct attachment to Schmidt-Cassegrains...

Baader 1¼" Amici-erecting-prism 45° with 24mm free aperture Much larger prism than other so-called "Erecting prisms" Many Erect image prisms hav...

Baader Universal Alan Gee II - Telecompressor (UAG II) Schmidt-Cassegrain telecompressor/reducer and flatfield-corrector For Schmidt-Cassegrain-...

Baader T-2 Locking ring with lever - for MaxBright® II T-2 (M42x0.75) Locking ring with lever for direct attachment of the MaxBright® II onto al...

Baader Bino auxillary-ring for adaptation of MaxBright® II Maxbright II Bino rotation lock/auxillary-ring – for the shortest possible adaptation...

Baader 45 ° Maxbright Amici prism 1¼ "with built-in 2x glass path corrector 45 ° an erecting prism Amici Including 2x Glaswegkorrektor ™ (Glass ...

EmCan Hand Controller Hand Controller replacement for EM41-P   In the Box EmCan Hand Controller   Warranty EmCan's Warranty

EmCan EMA04 Arca Board Strips By replacing the standard dovetail groove vixen pressure strips to connect the Arca quick- installation board, which ...

EmCan EMA03 Adapter for IPolar Convenient for installation of the Ipolar.   Technical Specifications Material: Aluminum(AL6061)   In the Box EmCan ...

EmCan EMA02 Adapter for QHY Pole master Convenient for installation of the QHY Pole master.   Technical Specifications Material: Aluminum(AL6061)  ...

EmCan EMA01 Ball head mount adapter 3/8 bolt , suitable for connecting various heads, convenient for SLR camera installation.Enable deep space phot...

Player One 7nm SHO Narrowband Filters 1.25"  This is a New Product - Please note that further information will come soon.  Multilayer composite coa...