The B+W filters are made from a brass alloy with excellent physical characteristics and a high purity, distorted, thick Schott glass, especially precise elaboration, state -of -the -art production technology, according to the highest quality requirements. Finally, with different surface treatment, they provide each type to complete the perfection of the B+W filters. From the raw materials used to the final smoothing, 100% "Made in Germany".

Black and white photography is common to use color filters, which can be used to modify the black and white mapping of some colors. These desired shades can be highlighted and others can be smoothed. In underwater photography, the blue-green color shift and depth intensity of the water can be offset to achieve the right color balance. The B+W Orange Contrast Filter (Factory Code: 040) has a very strong effect. It darkens the violet and blue, suppresses the green, and shades the yellow. Landscape and building photos provide almost graphical contrast, the clouds are dramatic. Mivel a bőrszín világos marad a sötétedő természeti háttér előtt, nó a kontraszt, ezért gyakran használják szabadtéri aktfotózáskor is. When using approx. 2 FE correction.

This filter is equipped with eight layers of surface treatment (MRC) on both sides, which provide, inter alia, reflection and dirt resistance. This filter is made with F-PRO socket, which is the B+W standard slot, which can be used excellent on high-angle lenses. It is also equipped with a front -side thread, so additional accessories can be connected and the internal lens caps can be used.