S7946 70 Guide Star Ring+S7945 10CM Crowtail Plate Astronomical Telescope Connection Ring Accessories

S7946
A pair of 7OMM star rings
Six point guide star ring plastic protective head
Inner diameter: 7OMM

S7945
Length: 10CM
Upper edge: 38mm
Bottom edge: 44mm
Thickness: 13MM
Pigeon tail board, weight reduction design
Weight: 50 grams