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We take a look at Discovery Optics' Precision Machined Rings, and figure out if they could possibly be any good for the $50 that they can be found for.

00:00 OverView
15:57 ReZero Test
18:23 Conclusion

#discoveryoptics #precision #fpr

Just some things I use:
Under Cabinet Lights https://rebrand.ly/8g5aku6
Weight Scale https://rebrand.ly/s2gisg8
Packing Tape https://rebrand.ly/hj6ta9a
ADM Recon https://rebrand.ly/shq7x7p

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