Function of uv mirror

Protect the lens and filter the light. UV mirror, also known as ultraviolet filter, refers to a filter used in digital cameras, which plays a role in protecting the lens and improving the image quality. UV mirrors are usually colorless and transparent, and some will appear purple or purplish red at a specific angle because of antireflection films. UV mirror is usually used to protect the fragile lens coating, in fact, this is only a subsidiary function. UV mirror can weaken the blue tone caused by ultraviolet light. At the same time, for digital cameras, it can also eliminate the interference of ultraviolet rays on CCD, which is helpful to improve the definition and color effect. However, due to the popularity of CMOS, the sensitivity to ultraviolet rays is greatly reduced, so now the role of uv mirrors is getting smaller and smaller, and ordinary quality uv mirrors may sometimes play a negative role.

Classification:

1. Ordinary UV(O) filter: no coating, suitable for shooting in seaside, mountains, snowy areas and open areas. The quality is slightly better than that of UV(N) filter, which can reduce the blue tone caused by ultraviolet rays.

2.MRC-UV (O): Multi-layer film UV mirror, with higher light transmittance than ordinary UV mirror, is the most commonly used UV mirror for film friends, with the same usage and performance.

3.L37-Super-Pro professional UV mirror: the transmittance and ultraviolet filtering performance are superior to the first two.

4.L4 1-Super-Pro professional UV mirror: the top UV mirror with the best transmittance, suitable for wide-angle lenses, with the same performance and use as L37.

5.Pro- 1D-UV (W): Digitally optimized multilayer coating with 99% light transmittance, specially used for ultra-wide-angle lenses to avoid dark corners.

6.PROTECTOR protective mirror: it does not affect the original color of the scene. It is a universal protective mirror, which appears as a derivative of UV mirror. Serious commercial photographers like to twist it on the lens.

7. There are also single-layer coating and double-sided coating.