William Optics 1.25 inch DURA BRIGHT Dielectric Diagonal HK$880.00
William Optics 1.25" DURA BRIGHT Dielectric Diagonal Introducing New model William Optics Dura-Bright diagonal - a dramatic step forward in the evolution of mirror diagonals! This 90° 1.25"mirror-type star...
nPAE Theia 90 Collimating Star Diagonal & Filter Changer HK$2,000.00
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WO 1.25" inch RedCat Erecting Prism Diagonal (for RedCat/SpaceCat 51 only) HK$1,050.00
1.25” RedCat erecting prism (For RedCat / SpaceCat 51 only) High quality erecting prism with silver anodized plate , the complete housing is made by 6061T Aluminium by CNC . This 1.25" 90 deg. erecting prism will...
Cyclops Optics Hyper-Bright 1.25" Diagonal HK$680.00
Tele Vue Eyeguard Extender HK$300.00
TeleVue Panoptic 35mm HK$3,970.00 HK$2,750.00
35-mm Model # EPO-35.0 Focal Length (mm) 35 Barrel Size (in.) 2" Apparent Field of View (deg.) 68 Eye Relief (mm) 24 Weight (lb / oz) 1.60 / 25.6 Field Stop (mm) 38...
TeleVue Panoptic 41mm HK$5,360.00 HK$3,700.00
41-mm Model # EPO-41.0 Focal Length (mm) 41 Barrel Size (in.) 2" Apparent Field of View (deg.) 68 Eye Relief (mm) 27 Weight (lb / oz) 2.10 / 33.6 Field Stop...
TeleVue Panoptic 27mm HK$3,530.00 HK$2,440.00
27-mm Model # EPO-27.0 Focal Length (mm) 27 Barrel Size (in.) 2" Apparent Field of View (deg.) 68 Eye Relief (mm) 19 Weight (lb / oz) 1.03 / 16.4 Field Stop (mm) 30...
TeleVue Panoptic 19mm HK$2,550.00 HK$1,760.00
19-mm Model # EPO-19.0 Focal Length (mm) 19 Barrel Size (in.) 1¼" Apparent Field of View (deg.) 68 Eye Relief (mm) 13 Weight (lb / oz) 0.41 / 6.6 Field Stop...
Televue Delos 17.3mm HK$3,450.00 HK$2,850.00
17.3-mm Model # EDL-17.3 Focal Length (mm) 17.3 Barrel Size (in.) 1¼" Apparent Field of View (deg.) 72 Eye Relief (mm) 20 Weight (lb / oz) 0.90 / 14...
William Optics XWA 110 degrees 3.5mm Eyepiece HK$1,680.00
William Optics XWA 110º 3.5mm
TeleVue Panoptic 24mm HK$2,530.00
24-mm Model # EPO-24.0 Focal Length (mm) 24 Barrel Size (in.) 1¼" Apparent Field of View (deg.) 68 Eye Relief (mm) 15 Weight (lb / oz) 0.51 / 8.2 Field Stop...
WO Dura Bright 2" Dielectric Diagonal (1/12λ, 99 % reflectivity, FULL carbon fiber plates) HK$1,290.00
New (Dura Bright) Star Diagonal has been born! Introducing New model William Optics Dura-Bright diagonal - a dramatic step forward in the evolution of mirror diagonals! This 90° 2"mirror-type star diagonal has a...
William Optics 10mm Eyepiece for RedCat HK$780.00
Sold out and discontinued. Apparent field of view: 60 degrees Long eye relief 16mm Flat field design When used with RedCat 51, the magnification is 25x
WO 1.25" inch RedCat Erecting Prism Diagonal (for RedCat 51 only) HK$950.00
1.25” RedCat erecting prism (For RedCat 51 only) High quality erecting prism with Red anodized plate , the complete housing is made by 6061T Aluminium by CNC . This 1.25" 90 deg. erecting prism will very useful for...
William Optics Binoviewer Complete Package HK$2,380.00
Includes -1.25” Binoviewer with anti-marring compression rings -2x William Optics 20 mm WA 66 deg. eyepieces included (available optionally too) -Barlow nosepiece (1.6x) for easier focusing with most...
William Optics 2 inch M63 Rotolock (Blue) HK$750.00
2" Rotolock for William Optics GT71 Also compatible with William Optics GT81, Z73, Z103 with M63 female thread on focuser's end.
TeleVue Plossl 40mm HK$1,280.00
TeleVue 1.50 DIOPTRX Astig. Corrector HK$890.00
William Optics 2 inch Rotolock M54 for Zenithstar 61 (Red) HK$690.00
2" Rotolock M54 for William Optics Zenithstar 61
William Optics 2" SCT Rotolock Eyepiece Adapter HK$890.00
William Optics 2" SCT RotoLock Adapter upgrades your SCT telescope with a quick and robust way of using 2" accessory. Just rotate the adapter ring clockwise to securely lock any inserted accessory, or rotate...
Televue 2x 2" PowerMate HK$3,090.00 HK$2,490.00
Al Nagler's 4-element concept, continues the tradition of full-field sharpness with optimum aberration control. Like long eye-relief? Retain the eye-relief of long focal length eyepieces, while at high power. Enjoy, for...
William Optics 2 inch Rotolock M54 for Zenithstar 61 (Blue) HK$690.00
RotoLock Visual Back Adapter for FLT Focuser 3.5"-2" Upgrade (Red) HK$1,480.00
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