The fiber optic is widely used nowadays in the slingshot sight system for quickly referring your anchor point. It can adsorb rays and illuminate at its cross section
Optical fiber for slingshot aiming sight
$0.50 – $1.00
★Fluorescence, Can also adsorb the shine from the environment.
★The price is for length of 20cm
1 review for Optical fiber for slingshot aiming sight
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paulmancini67 (verified owner) –
This optical fibre aiming sight has come in very handy for me. I bought both the 1.0mm green and red versions.
I cut a small piece and then I slot it into the housing on my slingshot and then tighten up the screw.
I then simply adjust the height until I can hit my 10m target.
And it only costs pennies, so you can’t go wrong.