Porro binoculars and Straight-tube binoculars are the most common prism structure designs for binoculars, and they differ significantly in appearance, optical performance, and applicable scenarios.
Marine telescopes, technically known as shipboard telescopes or marine binoculars, are significantly different from ordinary telescopes used for everyday stargazing or watching TV. They are specialized instruments designed specifically for the harsh marine environment.
Maintaining and servicing coin-operated telescopes at scenic spots is crucial, directly impacting visitor experience, equipment lifespan, and the overall image of the attraction. This is a detailed maintenance and service guide for your reference.
The YJ-ENVG-B thermal fusion binocular night vision goggles are compact, lightweight, and portable multifunctional night vision devices. The YJ-ENVG-B thermal fusion binocular integrate multiple functions, including infrared imaging and low-light imaging, providing the observer with rich battlefield information and significantly enhancing field detection and observation capabilities.
