Details and background

From: Neil Dennis <wombatt_at_gmail.com>
Date: Mon, 28 Apr 2014 21:21:48 -0400

Don't know about other types of rangefinders for short distances, but
mine uses a laser beam and reads the reflected beam to measure
distance. Maybe not enough reflective surface for a film model tho.

wombat
Received on Mon Apr 28 2014 - 18:22:02 CEST