Wholesale polarizing filter 77mm CPL circular polarizing filter to eliminate reflections and increase color saturation
【The role of CPL】:
1. Reduce the brightness of the blue sky. By rotating the lens to absorb many polarized light in the diffuse reflection, the intensity of the sky light can be reduced, the sky is darkened, and the contrast between the blue sky and white clouds can be increased.
2. Control the reflection of non-metallic. When the light is projected on the surface of smooth objects, such as water, glass, painted furniture, etc., it will usually produce strong single reflection light, which will become the highlight point in the photographic picture. The shooting is affected, because the CPL lens is added for shooting to improve the image quality and the clarity of the picture.
3. Replacing the neutral ash filter CPL will reduce the exposure by 1-2 stops, which can replace ND4/ND2.
【Precautions】:
1. When using a polarizer, it is inconvenient to use the hood due to the need to rotate the filter, so you should try to keep the camera in the shadow to shoot;
2. After installing the polarizer, the light flux of the lens will be reduced.(That is, it can be used equivalently with ND4 ND filter.)In auto mode, aperture priority and shutter priority mode, the camera will make adjustments by itself, but if it is manual exposure, pay attention to adjust the exposure compensation appropriately.
3. Polarizer PL and reflective surface(Glass window or water surface)Use at an angle of 30-40 degrees can achieve the greatest effect in eliminating reflections, and at an angle of 90 degrees(Straight to the reflective surface)Little or no effect of use.
4. In order to increase the color density of the blue sky, when the sun is at an angle of 30-40 degrees in the sky, and the camera is directly at the sun, the polarizer obtains the maximum effect.(Need to be under light conditions)At noon, when the sun is above the head or at a 90-degree angle to the ground, the effect of the polarizer is the least. These effects can be easily seen in the viewfinder of the camera. To check the effect, simply rotate the polarizer.
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