The FLIR Scout II 640 thermal camera is FLIR’s top of the line thermal imager for the outdoors and hunting. This premium thermal imaging camera is perfect for the enthusiast or hunter that does not mind spending money to get the most features and highest quality. For those looking for something that is more entry level from FLIR you can read our review of the Scout II 240 here. The Scout 640 has the highest resolution and longest focal length of the Scout series. The Scout 640 also has the longest detection range - 1,246 yards. The 640 is also very durable being able to withstand shallow water submersion as well as being dropped and taken into hostile environments. Finally the 640 is backed by FLIR’s top of the line 2-5-10 warranty.