Used to be real good with moon light. Very sensitive. Even better after turning it off it would work great with best low light resolution. Unit eventually lost sensitivity. Now ambient light looks the same as naked eye. Still works with IR but not as good. Also makes high pitched squeal. Never exposed it to day light. Tube must have gone bad. Im shopping for a different make now.
Cons: bad tube?
This review was written in the old system and had content requirements that are different than reviews written today.