Use it like a Sky 1A but with Enhanced properties for more vibrant reds. 55mm coated filter. A superb filter for protection and improved imagery.
Set Screws Bolts Grade High LOT 16 x 120 mm 20 x 110 mm 16 x 160 mm 20 x 200 mm
6 mm 1/4 inch; 8 mm 5/16 inch; 10 mm 3/8 inch; 12 mm 1/2 inch inch Rubber Tank
