NEW QHY5III585C (512MB DDR3 Image Buffer) Colour Planetary/Guider Camera + Free Lens Pen + International Free Shipping HK$3,240.00
QHY5III585C (Ver.2) The QHY5III585C is one the first new 2nd generation of QHY5III Series planetary cameras and guiders. The QHY5III585C is an enhanced version of its predecessor, the QHY5III485C. It has a high...
Televue Bandmate OIII Filter 2" HK$2,301.00 HK$1,980.00
The Televue Bandmate OIII filter passes light from doubly ionized oxygen atoms. As such, it is great for viewing planetary nebulae and supernovae remnants. The distinction you'll find with Bandmate filters is their...
Televue Bandmate Type 2 Nebustar Filter 2" HK$2,670.00 HK$2,390.00
The Nebustar filter is a unique narrowband design specifically for Tele Vue. Unlike other UHC designs, Nebustar blocks red wavelengths normally passed by typical UHC filters. The design eliminates star bloat to...
Optolong L-Ultimate Dual 3nm Filter 2" (48mm) + FREE Shipping + FREE LensPen HK$3,050.00 HK$2,750.00
Special introductory price offer $40 off, grab yours~ L-Ultimate Introduction The L-Ultimate is a 3nm dual band designed to drastically reduce the effect of light pollution, the dual 3nm bandpass isolate the nebulae's...
Antlia V-series G PRO Filters (36mm Round Unmounted) HK$720.00
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NEW Antlia ALP-T Dual Band 5nm Filter 2" (48mm) Mounted + Free Lens Pen + International Free Shipping HK$2,980.00
The Antlia ALP-T dual band 5nm filter is a dual line-pass filter which was designed to be used primarily with one-shot color (OSC) cameras such as DSLR's or astronomical OSC cameras. It can also be used as a narrowband...
NEW Antlia 3.0nm Ha Pro Filter (31mm Unmounted) HK$2,340.00
STC Astro-Multispectra Clip Filter (Fujifilm GFX Series) + FREE Shipping + FREE LensPen HK$2,280.00
Exclusive offer from Cyclops Optics: Besides the usual FREE Shipping Offer for most countries worldwide, now we further offer a FREE LensPen (original value US$11), allowing you to clean the surface of your...
Optolong Clear Sky Filter 77mm HK$1,290.00
STC Astro-Multispectra Clip Filter (Sony A7R4 / A9-II) + FREE Shipping + FREE LensPen HK$1,980.00
IDAS NBZ Nebula Boost Filter 48mm + FREE International Shipping + FREE LensPen HK$2,380.00
DAS NBZ Filters are designed to enhance the contrast of Hα and OIII emission nebula, yet accommodate the filter spectral shift when used with modern fast optical systems. This dual-band filter is ideal for one-shot...
NEW Antlia 3.0nm S-II Pro Filter (1.25"/ 36mm / 2"-48mm / 50.3mm) HK$2,070.00
Antlia 3.0nm S-II Filter Stock Availability and Lead Time 1.25" In stock now 36mm In stock now 2" In stock now 50.3mm In stock now Kindly be noted that due to the very high demand...
NEW Antlia 3.0nm Ha Pro Filter (1.25"/ 36mm / 2"-48mm / 50.3mm) HK$2,070.00
Antlia 3.0nm Ha Filter Stock Availability and Lead Time 1.25" In stock now 36mm ETA: early June 2021 2" In stock now 50.3mm In stock now Kindly be noted that due to the very high...
NEW Antlia 3.0nm O-III Pro Filter (1.25"/ 36mm / 2"-48mm / 50.3mm) HK$2,360.00
Antlia 3.0nm O-III Filter Stock Availability and Lead Time 1.25" In stock now 36mm ETA: early June 2021 2" ETA: late June 2021 50.3mm In stock now Kindly be noted that due to the...
IDAS NBX Nebula Boost Filter 48mm HK$2,380.00
Discontinued and succeeded by IDAS NBZ filter IDAS NBX Filters are designed to enhance the contrast of Hα and OIII emission nebula, yet accommodate the filter spectral shift when used with modern fast optical...
STC Astro Duo-Narrowband Clip Filter (Pentax APS-C) + FREE Shipping + FREE LensPen HK$2,250.00
Optolong L-eXtreme Filter 1.25" + FREE Shipping + FREE LensPen HK$2,080.00 HK$1,880.00
L-eXtreme Introduction Optolong L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is also more suited for fast systems. The...
Optolong L-Pro UT for Canon FF (FREE International Shipping + FREE LensPen) HK$1,880.00
Optolong L-Pro UT stands for Ultra Thin, the filter glass is only 0.3mm thick (standard version 1.1mm) which further reduces coma caused by optical element placed behind camera lens especially ultra wide angle lens. Please...
Optolong L-Pro UT for Nikon FF (FREE International Shipping + LensPen) HK$1,880.00
STC Astro Duo-Narrowband Clip Filter (Panasonic M43) + FREE Shipping + FREE LensPen HK$1,990.00
Optolong L-eXtreme Filter 2" (48mm) + FREE Shipping + FREE LensPen HK$2,480.00 HK$2,180.00
STC Astro Duo-Narrowband Clip Filter (Olympus M43) + FREE Shipping + FREE LensPen HK$1,990.00
STC Astro Duo-Narrowband Filter (50.3mm Round Unmounted) + FREE Shipping + FREE LensPen Set HK$3,150.00 HK$2,980.00
STC Astro Duo-Narrowband enables astrophotographers to capture two narrowband emission lines simultaneously, rendering ultra high contrast nebula images even if under the influence of strong light pollution in city. This...
STC Astro Duo-Narrowband Clip Filter (Canon EOS R/Rp/Ra) + FREE Shipping + FREE LensPen HK$2,480.00
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