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Optolong L-Para 2" 10nm Dual Narrowband Filter£209.00
L-Para is a brand new dual narrowband 10nm light pollution filter. The FWHM of L-Para is 10nm for OIII (500.7nm) and H-Alpha (656.3nm) respectively.
RVO 3D Printed Bahtinov Mask For ZWO SeeStar S50£10.00
RVO 3D Printed Bahtinov Mask For ZWO SeeStar S50.