Mention the matte box, most people may impression is professional, anti-buckle lens accessories! But in fact, many photography novice, including some older drivers have ignored the importance of matte box, and the use of matte box and did not imagine So troublesome. Generally do not need to be used when it can be reversed mounted on the lens, the shooting process will not cause much impact. And in the event of an accident such as a camera crash on the ground, you will fortunately have a matte box protection is how important it!
What is matte box?
Before we understand matte box use, let's start with what is matte box. There are two common matte boxes: round and petal-shaped. In general, the circular matte box is designed for fixed focus and the majority of petal shaped zoom lenses - petal-shaped matte box has two longer, two relatively short, as long as we can remember the following formulas on the And the next two longer, left and right two shorter. When the installation is completed and the same lens, you will hear a "click", on behalf of the matte box has been installed correctly. So, in the end matte box what is the use?
Round matte box
Petal-shaped matte box
The usefulness of a matte box: to prevent glare
If the surrounding stray light into the lens, reflected through the lens to the light-sensitive components, will form a bright light. If there is flare, it may form a light class. The spot is most likely to appear when shooting in backlight. Under strong light, the light will be projected on the photosensitive elements to make the spot formed. Images may also be fogged, reducing contrast and color saturation. With matte box, to prevent stray light into the lens after the flare. However, sometimes in order to create the effect, some people will deliberately do not use the matte box and let the light generated.