Originally Posted by PINEKNOT
Silver HVAC tape works really well to sight thermal in the daylight, even on a bright sunny day. I tried hand warmers, but had trouble seeing them.

https://www.homedepot.com/p/Nashua-...-Foil-Sealer-Duct-Tape-1906075/100030120

I use the chemical hand warmers stapled to a large sheet of plywood


It’s takes awhile to range animals using thermal. Doesn’t matter because I keep shots under 150 yards. Hard to tell if 50 yards or 125 yards at first