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The AN/PSQ-42 Enhanced Night Vision Goggle-Binocular (ENVG-B) is a third-generation passive binocular night vision device developed for the United States Army by L3Harris.It combines dual tube image-intensifying (I²) and thermal-imaging technologies into a single goggle, enabling vision in low-light conditions.
Different tripod heads offer different benefits, from stability to easy rotation.
Vortex Optics is a DBA of Sheltered Wings, Inc., which was incorporated in Wisconsin in 1989. Sheltered Wings, Inc. DBA Vortex Optics began in 2002. In 2022 after extensive research, testing and reviews Vortex became an official supplier and contractor to the American Military as the U.S. Army selected Vortex‘s XM-157 fire control system for its Next Generation Squad Weapon program.
The optical system of modern binoculars consists of three main optical assemblies: [24] Objective lens assembly. This is the lens assembly at the front of the binoculars. It gathers light from the object and forms an image at the image plane. Image orientation correction assembly. This is usually a prism assembly that shortens the optical path.
A tripod head is the part of a tripod system that attaches the supported device (such as a camera) to the tripod legs, and allows the orientation of the device to be manipulated or locked down. Modular or stand-alone tripod heads can be used on a wide range of tripods, allowing the user to choose which type of head best suits their needs.
A panoramic tripod head is a piece of photographic equipment, mounted to a tripod, which allows photographers to shoot a sequence of images around the entrance pupil of a lens that can be used to produce a panorama.