Red China LMB-4C MatteBoxes two filter box, install two 6.6 * 6.6 filters generally, MatteBoxes is fixed on a set of rails attached to and extending out of the bottom of the camera. Hood has two main functions: 1. to reduce lens flare by controlling the light entering the lens; 2. It can be loaded with the lens filter. When you make a movie, the sun, or some light will interfere with your shoot and produce some undesirable flash and lens flare. MatteBoxes two parts to block the light. Fei is a kind of shading is placed on top or side shading bucket, sometimes at the bottom of another party has a thin metal film. These sheets can be adjusted in all directions to the location, there is a very good blocking light function. Is placed on the side of the sheet is sometimes called side plates. Some, such as neutral density filters and polarizing filters filter used in the filming of the effect is very good. MatteBoxes can be loaded with a few pieces of filter, replace the filter so that became a simple matter. If there is no shading bucket, when you want to change the lens or filter, you have to spend a long time to remove the old filter and then screw on a new filter. So, do not tighten the filter to spend time, buy a MatteBoxes it! MatteBoxes LMB-4C for CLAMP-ON type MatteBoxes, namely direct debit in front of the lens shading bucket hood as a standard 16: 9 aspect ratio, designed for wide-angle lens and a larger diameter movie design, two 6.6 * 6.6 filter frame can be individually fixed. The maximum diameter of the lens mount ring 150mm, can be covered and UP8R UP12mm ultra wide-angle Carl Zeiss lens. Comes with professional transport box appears some minor problems in the use of red Chinese LMB-4C provides one-year warranty, the country's major cities have relevant technical staff to help solve the problem, even if the extent of the damage need Depot, the it takes a shorter period, to ensure use.