Optical Bench Accessories Cross Wires
A circular blacked metal screen 75 mm dia with a 10 mm diameter aperture & cross wire of 26 swg wire. Mounted on a 6 mm brass rod giving a centre height of 80 mm approx.
A circular blacked metal screen 75 mm dia with a 10 mm diameter aperture & cross wire of 26 swg wire. Mounted on a 6 mm brass rod giving a centre height of 80 mm approx.
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