It uses the material of optical glass, with double-side 5-layer film coating, its transmittance has reached 99 %( please see enclosed diagram). It can increase the sharpness of the photo, and the image is displayed in focus.
It prevents the ultraviolet light to the surface of the CCD or CMOS, and it can prolong the life of CCD or CMOS.
With the metal frame, its overall protection has been improved. It can reduce the diffusion reflection and ensure the high quality image.
It can simply be affixed on the lens by 3M double side adhesive tape. It is easy to be installed and removed.
After installing DC pro defense filters, it can avoid the malfunction of the lens cap once it is impacted.
After installing DC pro defense filters, it is well sealed and it will not be infracted by the dust, moisture, fingerprint, etc. thus it will prolong the life of the camera.
Application Scope: the digital camera without screw threaded coupling.