Raymarine FLIR Ocean Scout 320 Rugged Handheld Thermal Night Vision Camera

Wow, I could not be happier. I was worried that some had said they couldn't see very far with theirs, but we found we could literally see the waves of the water surface all the way across the bay, which was hundreds of yards. In fact, this device literally saved me more money than it cost the first time we used it in a really world situation. We were coming into an unfamiliar harbor entrance at night in pitch black (cloudy moonless night), which is rarely a good idea, but the seas were rising and we were exhausted after two days of straight sailing. We headed to where the anchorage was supposed to be and I handed my buddy the Flir and asked him to take a look to make sure there wasn't anything in the water. He immediately yelled for us to back up. There were boulders in the water where we were supposed to be able to anchor, and we couldn't even see them with our flood light. I would have plowed right into them.

Image is poor quality.