PoleMaster with Cyclops Optics PM-ST Adapter
Now bundled with Cyclops Optics PM-ST Universal Portable Mount Adapter (US$39.9) at no extra cost for limited time period!
Polar alignment has never been this quick and accurate
Accurate polar alignment in under 5...
-40ºC cooled CMOS camera with built in 9 filters wheel (free LRGB and anodised aluminium filters). Get all narrowband filters for only HK$1450 when you purchase with miniCAM5F. Including Ha, Hb, S-II, O-III and methane...
QHY10 is a 10 Megapixels APS-C size one-shot-colour CCD camera with -40°C thermoelectric cooling. The smaller pixel size (6.05μm) allows you to achieve a higher sampling resolution than the QHY8's 7...
Optolong UHC Clip Filter for Canon DSLR
Optolong UHC (Ultra High Contrast) is a light pollution filter for use in severely light polluted urban area. It selectively enhances emission from nebulas and suppresses the transmission of light pollution sources. UHC...
Optolong 36mm LRGB filters for HK$1590 (originally HK$1890)
Optolong 36mm 6.5nm S-II/H-alpha/O-III for HK$3290! (originally HK$3890)
QHYCFW2-S 5x36mm or 6x1.25" for only HK$2290...
QHY16200A with FREE Custom Adapter
Brand new 16MP APS-H mono CCD sensor co-developed by Onsemi and QHYCCD
QHY16200 A is designed with amateur astronomers in mind. The 16MP APS-H sensor is a product of close collaboration between QHYCCD and Onsemi (previously...
Highest quantum efficiency 5 megapixels camera for under $250. Recommended for solar and lunar imaging. Highlights: High pixel count — 5.0 Megapixels 3x higher sensitivity than last generation CMOS High quantum...
miniCAM5S is enhanced with deep sky imaging capability based on the same sensor used on QHY5L-II. The camera is enhanced with long exposure capability and thermoelectric cooler that brings the sensor down to 45ºC below...
AstroTrac TT320X-AG with Free Polar Scope
AstroTrac TT320X AutoGuiding Mount
Polar Scope Arm
Polar Scope (bundle promotion)
DC Power Cord
ST4 Autoguiding Cable
Phenomenal Unguided Tracking Accuracy
AstroTrac TT320X-AG allows you...
Optolong L-Pro Clip Filter for Nikon D5100
Optolong L-Pro (L-Professional) is a multi-bandpass filter which selectively suppresses the transmission of light pollution lines. For example, mercury vapor lamps, high and low pressure sodium vapor lights and skyglow...
QHY8-Pro Grade 2
QHY8-Pro Grade 2 is a 6 megapixels APS-C size one-shot-colour camera based on Sony's famous CCD ICX453AQ.
QHY8-Pro Grade 2 comes standard with the following features:
Sealed CCD chamber purged with...
William Optics FLT-132
William Optics 20th Anniversary Sales — 15% discount
132mm f/7 apochromatic. The FLT-132 gathers 81% more light than the FLT-98 and about 35% higher in resolution. Fluorostar series (FLT) represents William...
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