Antlia 3.5nm Ha Filter 2" (48mm) HK$2,480.00
Antlia 3.5nm O-III Filter 1.25" HK$1,650.00
Filter frame thickness: 5mm without threads
Antlia 3.5nm S-II Filter 2" (48mm) HK$2,480.00
Antlia 3.5nm SHO 1.25" Set HK$4,850.00
Antlia 3.5nm SHO 2" Set HK$7,390.00
Antlia 3.5nm SHO 36mm Set HK$6,250.00
Antlia 3.5nm SHO 50mm Round Unmounted Set HK$9,080.00
Antlia V-series L Filter 2" (48mm) HK$695.00
Antlia V-series LRGB + 3.5nm SHO 2" Set HK$10,180.00
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Antlia V-series LRGB 50mm Round Unmounted Set HK$3,180.00
Antlia V-series LRGB Filters 36mm HK$2,350.00
Baader CCD Narrowband-filterset 2" H-alpha 7 / OIII / SII for Full-Frame-CCD (H-alpha 7nm, O III 8.5nm und S II 8nm) (with LPFC)
Cyclops Optics LUX-Series IR 1.25" Pass=690nm HC/SS HK$680.00
Cyclops Optics LUX-Series LRGB 1.25" Filter Set HK$880.00
Cyclops Optics LUX-Series LRGB Filter Set Available in 1.25" 36mm 2"
Cyclops Optics LUX-Series LRGB 2" Filter Set HK$2,080.00
Cyclops Optics LUX-Series LRGB 36mm Filter Set HK$1,680.00
Cyclops Optics LUX-Series LRGB Filter Set Available in 1.25" 36mm
Cyclops Optics LUX-Series UV/IR-Cut 2" (48mm) HK$680.00
Cyclops Optics LUX-Series UV/IR-Cut 48mm filter. Recommended for use with QHYCCD CMOS camera with double AR coating optical window. Available in 1.25" 36mm 2"
IDAS H-alpha Enhanced UV/IR Blocking Filter HK$1,450.00
IDAS LPS-D1 HK$1,350.00
IDAS LPS-D1 for Canon EOS Full Frame HK$2,200.00
IDAS LPS-D1 is a general purpose light pollution suppression filter optimized for modified digital cameras and one-shot cooled CCD. LPS-D1 reduces the red fog in LPS-P2 emphasizing Hα bright line nebula. Similar to...
IDAS LPS-D1 N5 for Nikon D5300/D5500 HK$1,380.00
IDAS LPS-P2 HK$1,390.00
IDAS LPS-V4 HK$1,450.00
Optolong 12nm Hydrogen-alpha CCD
Optolong 12nm hydrogen-alpha narrowband filter is for astrophotographers who want to obtain the maximum contrast of nebulae while cutting out background emission and suppressing star lights. This filter covers the hydrogen...
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