Polarizers are divided into two categories: linear polarizers (PL) and circular polarizers (CPL). CPL is an indispensable piece of equipment for landscape photographers.
Rotating polarizers filter polarized light, eliminate reflections from non-metallic surfaces, and are useful if polarized light is present in the scene.
Application scenarios for polarizers.
Shoot the blue sky and white clouds.
Polarizers can make blue skies bluer and white clouds whiter. It reduces the intensity of light in the sky by filtering out partially polarized light in the diffuse reflection, and increases the contrast between the blue sky and the white clouds, deepening the shadow tone of the blue sky and white clouds, and making the sky more saturated.
Photograph rainbows. Polarizers can make the rainbow clearer. However, it is important to note that improper adjustment of the polarizer may also make the rainbow effect disappear, so it is necessary to find the right angle when adjusting the polarizer to make the rainbow clearer. When adjusting, if it is difficult for the naked eye to perceive the change in the clarity of the rainbow, you can first try to find the angle that makes the rainbow disappear completely, and then rotate the polarizer 90 degrees, which is generally the angle that makes the rainbow clearest.
Photo by James.
Take pictures of the underwater scenery.
The most important thing is to remove the reflection from the surface of the water so that you can capture the details below the surface. It is especially suitable for combining with filter lenses to shoot scenes such as slow doors in seascapes and mirrors on the water surface.
Photo by James.
Polarizers can reproduce still life colors.
If a still life is in a more ideal environment, you can naturally do without a polarizer, but in reality, there is always a lot of cluttered light in the environment, the polarizer can eliminate the reflection on the object, restore the color of the object, and it is more commonly used when shooting some small still life, such as shooting flowers, jewelry, objects in the window, etc., and polarizers can also be used in mobile phone photography.
Polarizers can make forests greener and more beautiful.
In the rainforest environment, the light is often above the sky, in fact, it is easy to form a 90-degree angle with the camera, with this innate advantage, the polarizer can eliminate the reflection on the leaf surface to the greatest extent, restore its original color, and look greener than the naked eye.
Photo by James.
Seven scenes where polarizers are not suitable.
First, in the positive or backward light scene, there is almost no polarized light, so polarizers cannot be used.
As long as the light is at a 90-degree angle to the camera, the polarizer's function of eliminating reflections can be maximizedWhen the camera is at 180 degrees to the light, the polarizer does not work at all.
Second, it is not recommended to shoot with polarizers in scenes of blue sky and white clouds that are too pure
In particular, if there is only a blue sky and no white clouds, or if the proportion of blue sky and white clouds is out of balance, or if you shoot with an ultra-wide angle, shooting with a polarizer will eliminate the unevenness of polarized light, and the color tone of the image will be uneven.
Three, the shooting of the perfect reflection
The reflection on the surface of the water is basically polarized light, and the reflection is basically eliminated by using a polarizer, but sometimes the reflection cannot be photographed with a polarizer.
Fourth, try not to use polarizers for panoramic splices
The angle between the polarizer and the light will change greatly in the process of lens rotation, and the polarizer can play a role when shooting the first photo, and the polarizer may not play a role in the last photo, so it will be easy to have uneven color patches, which will affect the presentation of the final panoramic photo.
However, there are special cases where the light environment is relatively stable and rotating the camera does not affect the angle between the polarizer and the light, the polarizer can be used for shooting.
Fifth, try not to shoot stars
When photographing the sun during the day, it is more appropriate to remove the polarizer and shoot it.
Sixth, do not use polarizers to photograph the glass of aircraft windows
Aircraft window glass is not ordinary glass, but an acrylic glass, and when light passes through the glass, it produces more complex changes, and when shooting with polarizers, it is difficult to achieve the desired effect.
Seventh, colored light
It is recommended not to use polarizers in a colorful environment such as shooting burning clouds, because polarizers may eliminate some of the colored light in the picture and affect the presentation.
KASE polarizers.
Imaging HD is remarkable.
The content is excerpted from the Kase micro-sharing class.
The ultimate guide to using polarizers
Instructor: James.
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