How are you getting on using a thermal sight for daytime use as well as night?
Opinions please.
Thanks, Ken.
Depending on where and when you are using it and the weather conditions, a thermal in daytime can produce excellent results it it can be completely useless
As has been said, when used in cool sheltered places like woodland it can detect heat sources that would not be seen easily with binoculars
On the other hand trying to spot potential targets against a background that has been heated by sunlight is a waste of time because the background temperature and the animal temperature will be so close to each other that the image will just be white
Try spotting rabbits on a sandy bank that the summer sun has been shining on and you'll see what I mean
Even after dark, the sandy bank will still be warm, making the rabbits more difficult to see than if they were on a grass field
Go to the same place in winter time and the rabbits will be much easier to detect
Thermals detect differences in temperature, not the actual temperature of an object (within reason) so there has to be a difference in temperature between the animal you want to detect and it's background
Since pretty much all our legal quarry (rabbits, foxes, deer) are mammals like us who automatically control our body temperature, the temperature of our potential quarry doesn't change much from day to night or from summer to winter
Therefore, it's the temperature of the background against which we see these animals that controls how well we can see them
Typically, in winter and in darkness, the background is cooler than it is in daylight and in summer, so winter night tend to give the best results with thermal and summer days the poorest results
Cheers
Bruce