STC Astro Duo-Narrowband Clip Filter (Pentax APS-C) + FREE Shipping + FREE LensPen HK$2,250.00
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 L-Pro UT for Canon FF (FREE Shipping) 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 Shipping) HK$1,880.00
STC Astro Duo-Narrowband Clip Filter (Panasonic 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-Multispectra Clip Filter (Canon EOS R/Rp/Ra) + FREE Shipping + FREE LensPen HK$1,850.00
STC Astro-Multispectra Clip Filter (Panasonic M43) + FREE Shipping + FREE LensPen HK$1,520.00
IDAS LPS-D1 N5 for Nikon D5300/D5500 HK$1,380.00
STC Astro-Multispectra Filter 31mm + FREE Shipping + FREE LensPen HK$1,560.00
STC Astro-Multispectra Clip Filter (Pentax) + FREE Shipping + FREE LensPen HK$1,620.00
STC Astro-Multispectra Clip Filter (Olympus M43) + FREE Shipping + FREE LensPen HK$1,520.00
Optolong L-Pro for Nikon FF HK$2,100.00 HK$1,760.00
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...
STC Astro Duo-Narrowband Clip Filter (Fujifilm X Series) + FREE Shipping + FREE LensPen HK$2,950.00 HK$2,250.00
STC Astro-Multispectra Filter 1.25" + FREE Shipping + FREE LensPen HK$1,450.00
STC Astro-Multispectra Clip Filter (Fujifilm X Series) + FREE Shipping + FREE LensPen HK$1,620.00
STC Astro Duo-Narrowband Clip Filter (Nikon APS-C) + FREE Shipping + FREE LensPen HK$2,950.00 HK$2,250.00
STC Astro-Multispectra Clip Filter (Nikon APS-C) + FREE Shipping + FREE LensPen HK$1,620.00
STC Astro Duo-Narrowband Filter 1.25" + FREE Shipping + FREE LensPen HK$2,190.00
STC Astro-Multispectra Clip Filter (Sony APS-C) + FREE Shipping + FREE LensPen HK$1,620.00
STC Astro Duo-Narrowband Filter (50x50mm Square) + FREE Shipping + FREE LensPen Set HK$3,150.00
STC Astro-Multispectra Filter 36mm + FREE Shipping + FREE LensPen HK$1,640.00
STC Astro Duo-Narrowband Filter (48mm / 2") + FREE Shipping + FREE LensPen Set HK$3,180.00 HK$2,740.00
Exclusive offer from Cyclops Optics: Besides the usual FREE Shipping Offer for most countries worldwide, now we further offer a FREE LensPen Set (original value US$22) including the Lens Cleaner and Micro Lens Cleaner,...
Optolong UHC Clip Filter for Nikon FF HK$900.00
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...
STC Astro-Multispectra Clip Filter (Sony Alpha 7/9) + FREE Shipping + FREE LensPen HK$1,820.00