Nitrogen is used to prevent the lenses from fogging. It's a standard 1/4 tripod socket, but i'm not sure what good it does where it is.

The quick focus mechanism is very effective but definitely requires two hands to operate as it's a little stiff. The lever style focus is smooth and easy. Good magnification, clarity, and easy to focus.

Aaaaaaa plus quality. Overall, a great product for the price. This model is an exceptional value for the money. The item is of good quality at a very reasonable price.

They seem rugged and very solid, though i haven't done much with them. We are a couple of amateurs who just bought a house with 8 acres. They are pretty strong for use around my property (1.

Both units have the exact same the lenses were misaligned and due to the rubber coating, there is no way to easily recollimate the unit by yourself. When i close one eye they work great as amonocular, but for both eyes they cause headaches. Don't know...  Read More

Bushnell offered to repair the binoculars for $56. They said they couldn't repair them because they weren't water proof. They also said the damage wasn't covered by the warranty. I am convinced they are not honoring their warranties.