Fixed focus lenses are favored by many photographers due to their high aperture, high image quality, and portability. The fixed focus lens has a fixed focal length, and its design focuses more on optical performance within a specific focal range, resulting in better image quality.
So, how do I us...
Optical glass is a special glass material used for manufacturing optical components.Due to its excellent optical performance and features,it plays a very important role in the optical field and has important applications in various industries.
1.What are the features of optical glass
Transparency...
1. What is an action camera?
An action camera is a camera that is used to shoot in sports scenes.
This type of camera generally has natural anti-shake function, which can capture pictures in complex motion environment and present clear and stable video effect.
Such as our common hiking, cycling, ...
A fisheye lens is an extreme wide-angle lens, also known as a panoramic lens. It is generally considered that a lens with a focal length of 16mm or a shorter focal length is a fisheye lens, but in engineering, a lens with a viewing angle range of more than 140 degrees is collectively called a fis...