Even at 9,000' on a sunny day it failed. Atmosphere wasn't very clear due to forest fire smoke and I had difficulty holding it steady enough long enough.
More practice would be helpful I'm sure but it just doesn't seem worth the effort.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.