What lens needs a filter?

Whether to add a filter depends on whether the shooting environment needs it, but it does not mean that the lens does not need to add a filter.

The camera filter is an additional lens installed in front of the camera lens to filter natural light. Types and functions are as follows:

1, UV mirror, also called UV filter, is usually colorless and transparent, but some of them will appear purple or purplish red at some angles because of the antireflection film.

2. Polarizer, also called polarizer, or PL mirror for short, consists of two pieces of optical glass and a tiny polarizing crystal (such as mica) with directional function. It can be divided into circular polarizer (CPL) and linear polarizer (LPL).

3. Neutral grey mirror, also called medium gray density mirror, or ND mirror for short, is used to filter light.

4. Gradient mirror. This filter is constructed as a transparent lens with a lower part, and gradually transitions to other colors, such as gradient gray, gradient blue and gradient red.

5, soft mirror, also known as soft mirror, hazy mirror. Its function is to soften all the pictures taken.

6. Starlight mirror, also called light mirror or scattering mirror, is to carve different types of vertical and horizontal linear stripes on the lens by etching, which can diffract the bright spots in the scene and achieve the radiant effect.

7, infrared filter, there are a lot of infrared rays during the day, but the visible light is stronger, which interferes with your infrared shooting and overexposed the picture, so you need to add an infrared filter to filter the visible light and get a pure infrared effect.

8. A polygon mirror, also called a polygon mirror, is made of optical glass cold working technology. Through various facets on the glass surface, multiple images of a scene can be taken in one photo at the same time.

9. rainbow mirror, by forming prism faces with different angles on the lens, the light will diverge through the prism face when shooting, thus forming a rainbow effect on the scene, adding a charming and novel feeling to the picture.

10, color filter, which can not only prevent the light of a certain wavelength from passing through, but also emphasize the light of a certain wavelength. It can be said that it is a device for filtering light, and it is of great value to adjust light in photography to achieve a certain light effect.

There are many other filters, such as 1 1. In the process of creation, if we can choose and use them properly, we can get unexpected results.