What is a Zoom Lens?

How to Choose Lens？

If the camera is a human eye, the lens can be compared to eyeball; it is directly related to overseeing the proximity, scope and effectiveness of objects. The s

How to Classify Lens?

According to the types of lens, lens can be divided into such kinds as the wide-angle lenses, the standard lenses, telephoto lenses, the zoom lens and the pinho

How Different is between C-Mount Lens and CS-Mount Lens?

Lens can be divided into C-Mount Lens and CS-Mount Lens. C-Mount Lens The flange back (distance from the surface where the lens comes in contact with the came

What is a Zoom Lens?

Zoom camera is an optical system that the position of focal surface is fixed but focal length adjustable. Zooming is finished by moving glass-chip inside of len

What is a Lens?

Lens is a kind of optical clarity kit made by one or more optical glasses spherical. It is applied for focalizing or scattering light from targets, so as to for