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
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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
IDAS D1 discontinued and sold out. For multiple bandpass light pollution filtering, we recommend: STC Astro-Multispectra Optolong...
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
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...
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 Ha Pro Filter (1.25"/ 36mm / 2"-48mm / 50.8mm) HK$2,070.00
NEW Antlia 3.0nm O-III Pro Filter (1.25"/ 36mm / 2"-48mm / 50.8mm) HK$2,360.00
NEW Antlia 3.0nm S-II Pro Filter (1.25"/ 36mm / 2"-48mm / 50.8mm) HK$2,070.00
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...
Optolong 12nm Oxygen-III CCD
Optolong 12nm oxygen-III 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 oxygen-III...
Optolong 12nm Sulphur-II CCD
Optolong 12nm sulphur-II 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 sulphur-II...
Optolong 6.5nm Oxygen-III CCD HK$1,290.00
Optolong 6.5nm oxygen-III 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 oxygen-III...
Optolong 6.5nm SHO Filters Set HK$3,450.00
Optolong 6.5nm SHO narrowband filters set is for astrophotographers who want to obtain the maximum contrast of nebulae while cutting out background emission and suppressing star lights. This filter set includes a 7nm...
Optolong 6.5nm Sulphur-II CCD HK$1,290.00
Optolong 6.5nm sulphur-II 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 sulphur-II...
Optolong 7nm Hydrogen-alpha CCD HK$1,290.00
Optolong 7nm 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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