Updated on 26 Apr 2018


LPS-D1/D2/P2 light pollution filter

- Suppresses the emission lines of mercury and sodium lamps while maximizing transmission of lights from planets and stars

** Click HERE for measured spectrum details


LPS-D1/D2 filters for color sensor

LPS-D1-28.6mm (1.25") mounted ... HK$1,340 (accepting order 接受訂貨)

LPS-D1-37mm mounted ... HK$1,240 (in stock 現貨)

LPS-D1-48mm (2") mounted ... HK$1,380 (in stock 現貨)

LPS-D2-48mm (2") mounted ... HK$1,380 (in stock 現貨)

LPS-D1-52mm mounted ... HK$1,380 (in stock 現貨)

LPS-D2-52mm mounted ... HK$1,380 (in stock 現貨)

LPS-D1-58mm mounted ... HK$1,560 (accepting order 接受訂貨)

LPS-D1-62mm mounted ... HK$2,160 (accepting order 接受訂貨)

LPS-D1-67mm mounted ... HK$2,320 (accepting order 接受訂貨)

LPS-D1-72mm mounted ... HK$2,520 (accepting order 接受訂貨)

LPS-D1-77mm mounted ... HK$2,680 (accepting order 接受訂貨)

LPS-D1-82mm mounted ... HK$2,830 (accepting order 接受訂貨)


LPS-D1-37mm plus MFA frame for EOS APS-C camera ... Special price K$1,080 (in stock 現貨)

- Same function as LPS-D1-EOS, only the filter and frame can be separated


LPS-P2 filter for mono sensor

LPS-P2-28.6mm (1.25") mounted ... HK$1,340 (accepting order 接受訂貨)

LPS-P2-31mm unmounted, 3mm thick ... HK$1,380 (accepting order 接受訂貨)

LPS-P2-36mm unmounted, 3mm thick ... HK$1,380 (accepting order 接受訂貨)

LPS-P2-36mm, drop-in filter for Sigma lens ... HK$1,340 (accepting order 接受訂貨)

LPS-P2-50mm unmounted, 3mm thick ... HK$1,380 (accepting order 接受訂貨)

LPS-P2-48mm (2") mounted ... HK$1,380 (in stock 現貨)

LPS-P2-52mm mounted ... HK$1,380 (in stock 現貨)

LPS-P2-82mm mounted ... HK$2,480 (special price, in stock 現貨)


LPS-V4 nebula filter

High performance, semi-narrow-band pass filter intended for nebulae observations

LPS-V4-28.6mm (1.25") mounted ... HK$1,340 (accepting order 接受訂貨)

LPS-V4-37mm mounted ... HK$1,240 (in stock 現貨)

LPS-V4-48mm (2") mounted ... HK$1,380 (in stock 現貨)

LPS-V4-52mm mounted ... HK$1,380 (in stock 現貨)

LPS-V4-37mm plus MFA frame, EOS APS-C clip filter ... HK$1,350 (in stock 現貨)

- Same function as LPS-V4-EOS



EOS APS-C 37mm filter holder ring ... HK$290 (in stock 現貨)


D1/D2/V4/HEUIB-II filters for Canon DSLR camera


LPS-D1-EOS (APSC) ... HK$1,480 (in stock 現貨)

LPS-D2-EOS (APSC) ... HK$1,480 (in stock 現貨)

LPS-D1-EOSF (5D mark II & 6D) ... HK$2,180 (in stock 現貨)

LPS-D2-EOSF (5D mark II & 6D) ... HK$2,180 (in stock 現貨)


HEUIBII-EOS (APSC) ... HK$1,480 (accepting order 接受訂貨)

HEUIBII-EOSF (5D mark II & 6D... HK$2,180 (accepting order 接受訂貨)


D1/D2/HEUIB-II filters for Sony A7 series camera



LPS-D1-A7 ... HK$2,180 (in stock 現貨)

LPS-D2-A7 ... HK$2,180 (temporary not available 暫停供應)

HEUIB-II-A7 ... HK$2,180 (accepting order 接受訂貨)


D1/V4/HEUIB-II filters for Nikon DSLR camera

LPS-D1-N2/LPS-V4-N2/HEUIB-II-N2 for D5000 ... HK$1,820 (accepting order 接受訂貨)

LPS-D1-N3/LPS-V4-N3/HEUIB-II-N3 for D5100 ... HK$1,820 (accepting order 接受訂貨)

LPS-D1-N4/LPS-V4-N4/HEUIB-II-N4 for D7000/D7100/D7200 ... HK$1,820 (accepting order 接受訂貨)

LPS-D1-N5/LPS-V4-N5/HEUIB-II-N5 for D5300/D5500 ... HK$1,820 (accepting order 接受訂貨)

LPS-D1-N6/LPS-V4-N6/HEUIB-II-N6 for D5200 ... HK$1,820 (accepting order 接受訂貨)


** Please ask for other IDAS product