Dear All Customers,Good day!Chinese New Year(Our Spring Festival) is coming soon, Our company will be closed for our Chinese Spring Festival from 17-Jan-2023 to 30-Jan-2023.Any questions or inquiries, please email info@granfoo-cn.com. We will check and reply to your inquiry in time. You can also con
The corrosion of seawater will be considered when underwater cameras work underwater. Of course, we can also take some measures to reduce corrosion in our usual work. So how do underwater cameras do anti-corrosion work?1. The material of the watertight box must be corrosion-resistant. For the portab
1. Refraction of water and selection of optical systemSince the refraction of water is greater than that of air, the viewing angle of a TV camera is 1/4 narrower in water than in air. for three-quarters of the air. In order to observe the subject in a wider range, the camera of the underwater TV mus
Some marine ranches have already taken the first step in scientific management. Underwater cameras are used to monitor the activities of underwater organisms. Through long-term underwater monitoring, the abnormal state of aquatic organisms can be detected as early as possible, and risks and disaster
In recent years, global internet transportation has generally replaced satellites with transoceanic submarine cables to ensure transmission speed and save operating costs. So how are submarine cables made? How is the laying process? Here are some basics about submarine cables.Manufacturing materials
Use a dedicated muddy water underwater camera or muddy water camera aidThis kind of camera or device is to install a pressure-resistant or non-pressure-resistant camera cover in front of the camera lens, and the medium in the closed cavity in the underwater salvage cover is air or clean water. In th
Professional underwater cameras are widely used in some industries, and the functions and functions of underwater cameras are also different. Today's high-definition underwater cameras are mainly used for underwater work such as fishery and marine resources industry.Meaning: Underwater camera is als