2021 NEW Release: William Optics FLT-91 f/5.9 APO + FREE International Shipping HK$17,380.00 HK$16,380.00
Accepting order now, limited quantity available! **Free International Shipping to most locations ** Available in space grey & red (next batch 2nd half of April) and gold (coming in second half of 2021) Recommended...
2021 NEW Release: William Optics Zenithstar 73-III f/5.9 APO (Free Soft Carrying Bag) HK$5,980.00
ZenithStar 73-III comes with new rising blocks underneath the mounting rings for added clearance Now comes with FREE WO patented Diffraction Spikes Bahtinov Mask Cap Zenithstar 73-III is a greatly versatile and...
2021 NEW William Optics FLT-132 III Triplet APO with 3.3" R&P Focuser HK$33,960.00
Specifications Aperture 132mm Focal Ratio F/7 Focal Length 925mm Objective Type 3 elements, Air-spaced, FPL-53 Resolving Power 0.86" Limiting...
Borg 107FL Carbon Fiber Tube + Rack & Pinion Focuser Set HK$27,980.00
Aperture 107mm Fluorite Focal length 600mm F-ratio 5.6 Lens configuration 2 elements in 2 groups Coating Fully multi-coated Physical length 500mm Tube diameter 80mm Weight 3.7kg (2.8kg OTA...
Borg 107FL F3.9 Conversion Kit HK$25,980.00
Convert your existing Borg 107FL telescope into F3.9 optical configuration Includes 0.7x Reducer Carbon fiber tube Feather Touch True 3″ focuser (FTF3215B-A) – motor upgrade ready M57 Camera Rotator 21"...
Borg 107FL F3.9 Package HK$39,080.00 HK$36,280.00
Features of Borg 107FL F3.9 ED 107mm aperture fluorite 6-element advanced petzval optical system, including one fluorite and one ED elements Covers up to 55mm diagonal sensor Japanese-made high quality carbon fiber...
Borg 107FL Objective Assembly HK$22,980.00
Aperture 107mm Fluorite Focal length 600mm F-ratio 5.6 Lens configuration 2 elements in 2 groups Coating Fully multi-coated Physical length 500mm Tube diameter 80mm Weight 2...
Borg 71FL F4 Astrograph Set (6671)
Includes 2572 — 71FL Fluorite Objective Assembly 7151 — 80mm diameter 150mm long tube (black) 7801 — M77.6 – M68.6 Adapter 7835 — Helical Focuser M - M68.8 7352 — M57...
Borg 8070 - Series 115 Carbon Fiber Tube 70mm Long HK$1,850.00
8070 – Series 115 Carbon Fiber Tube, 70mm long 70mm long carbon fiber tube M108/P1.25 female at the objective side M108/P1.25 male at the focuser side 165g Made in...
Celestron C5 Spotting Scope 127mm f/10 Schmidt Cassegrain HK$3,990.00
Includes: 5" Schmidt-Cassegrain Optical Design StarBright XLT Coatings 25 mm (50x) Eyepiece 45° Erect Image Diagonal 6x30 Erect Image Finderscope ** Not eligible for free shipping ** Kindly select EMS /...
Celestron C8 Edge HD 8" Optical Tube Assembly (CG-5 Dovetail) HK$12,800.00
*Free shipping does not apply on this item* Please choose paid shipping options such as FedEx, EMS, etc during the checkout process Experience our best optical performance with EdgeHD’s aplanatic, flat...
Celestron C8 Edge HD 8" Optical Tube Assembly (CGE Dovetail) HK$12,800.00
Celestron f/6.3 Reducer Corrector 0.63x for SCT HK$1,280.00
This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" Schmidt-Cassegrain telescopes This clever accessory makes it possible to have a dual focal ratio...
Cyclops Optics Finder/Guidescope Bracket (Vixen Style) HK$150.00
Cyclops Optics Finder/Guidescope Bracket (Vixen Style, Middle Slot) HK$180.00
miniGuideScope
Includes miniGuideScope Vixen style dovetail with scope mount Guide scope designed specifically to be used with our best-selling autoguiding camera QHY5L-II-M. Its focal length is selected to match QHY5L-II pixel size...
QHYCCD miniGuideScope v2 HK$1,080.00
Includes miniGuideScope v2 Vixen style dovetail with scope mount Guide scope designed specifically to be used with our best-selling autoguiding camera QHY5L-II-M. Its focal length is selected to match QHY5L-II pixel...
QHYCCD OAG-L HK$2,200.00
Ultra slim profile off-axis guider (OAG) of 10mm thickness. Connects to QHYCFW2 and QHY "A" series cameras directly. To connect to other devices, M42 or M54 adapter plate is available. QHYOAG comes with a multi-threaded 1...
QHYCCD OAG-M HK$1,790.00
QHYCCD OAG-S HK$1,390.00
Takahashi Epsilon e-130D Complete HK$25,100.00 HK$21,490.00
Includes Epsilon E130D OTA 6x30 black finderscope (black) (TKA00551B) Finderscope bracket (black) (TKA00562B) Tube holder (TKA69420S) Optional Wide T-mount for Canon EOS DSLR (TKA01251) Wide T-mount for...
Takahashi 645 Reducer CA 0.72x (CCA-250) HK$15,980.00
645 Reducer 0.72x for Takahashi CCA-250
Takahashi 6x30 Finderscope with Bracket (White) HK$1,390.00
Takahashi 6x30 finderscope (white) with bracket
Takahashi 76D Flattener HK$1,390.00
Flattener for FC-76DS/DC
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