Difference of red mirror model for black and white photography

Red mirror (R): It can block the blue-green light from penetrating and darken the blue parts such as the sky and leaves. In black-and-white photography, red mirrors are used to highlight white clouds and darken the sky, while absorbing ultraviolet rays. When blue drawings and documents are reproduced under artificial light, good contrast can be obtained by using red mirrors. This kind of mirror is also often used in infrared photography.

2 Yellow Mirror (Y): It is suitable for adjusting the contrast between black and white, and the effect of shooting white clouds in the sky is outstanding. The color depth of the mirror can be divided into various sizes and can be selected according to your own needs. It is also suitable for taking color photos with a light yellow lens.

3 Blue Mirror (B): Blue passes through three colors: blue, cyan and purple, with the largest throughput, and absorbs yellow, purple, orange, red and purplish red. Mainly used for black-and-white photography, it needs to be exposed twice (medium and blue). -Mirrors can absorb a small amount of ultraviolet rays.

Leiden -80: This mirror is blue. Can be used under artificial lighting, and the color cast of photos can be adjusted. Solar film suitable for use under light. There are three kinds: A, B and C.

5 Leiden -82: The mirror is light blue, which can be used for color temperature compensation. Outdoor photography in the morning or at night can inhibit the phenomenon of redness, thus achieving realistic colors. According to the depth, there are three kinds: a, b and C.

6 Leiden -85: This mirror is used to correct the color shift caused by using light film in the sun, and it is divided into three types: A, B and C. ..

Starlight mirror: This mirror is linear starlight (4 lines), cross starlight (6 lines), snow starlight (6 lines) and rice noodle starlight (8 lines). It can be used to shoot night scenes, sunlight and artificial point light sources, and can emit various flash effects. It is ideal to shoot women wearing jewelry, suitable for shooting stage lighting, etc.

Rainbow mirror: The lenses are ring rainbow, line rainbow, line rainbow, line rainbow, line rainbow, line rainbow, line rainbow, line rainbow, line rainbow, line rainbow, line rainbow, line rainbow and so on. When shooting, each spot can emit seven colors of rainbow light, with rich colors and strong contrast, resulting in colorful and strange effects. It can fully express imagination and is most suitable for color photography.

Polarizer (PL): It can eliminate the reflection on the surface of the object. Exterior photography can make the blue sky bluer, the image more vivid and the color saturated, and can be used to shoot black-and-white and color films. It can also produce infrared effect when used with medium red lens.

When shooting window exhibits, if you don't add a polarizer, the good photos will be unclear because of the serious interference from the surface reflection of the window glass; After adding a polarizer, the reflection on the surface of the window glass is eliminated, and the photos taken are clear.