Author: hobbyhktelescope
H-Alpha Clip Filter for Nikon D7000/D7100 ( 7 nm ) Optolong filter PRICE:HK$1,880
**Image is for illustration purposes CLS Clip Filter for Nikon D7000/D7100 Optolong filter PRICE:HK$872
OWB Clip Filter for Canon EOS FF Optolong filter PRICE:HK$760
**Image is for illustration purposes OIII Clip Filter for Canon EOS FF ( 6.5 nm ) Optolong filter PRICE:HK$1,992
**Image is for illustration purposes SII Clip Filter for Canon EOS FF ( 6.5 nm ) Optolong filter PRICE:HK$1,992