Specification :
The Marumi EXUS Circular Polarizer is a flagship model polarizer especially well-suited to whom a high-polarization has taken precedence in the first place in polarizing (99.5%* degree of linear polarization under 400nm; *polarizing film only)
A polarizing filter allows you to;
- control reflections from non-metallic objects; the surface of water, window, or glossy coating/painting.
- prevent and reduce glare, still however, allow plenty of light through. It also makes subjects underwater transparent.
- Enhance color saturation and contrast, especially under a scene of deep blue sky, vivid white clouds, spring greenery, or autumn color of leaves.
Have you ever experienced, when taking landscape photography, ending up with a little different color from the actual landscape you have seen? The sky must have been more vivid and bluish in your eyes.
A polarizing filter can properly contrast the crystal blue sky and the white clouds.
Many photographers predominantly carry a polarizing filter, particularly for landscape photography next step after Lens Protector/UV filter in terms of protection, for some reason.
The effects of polarizers cannot be easily mimicked with digital editing. Carrying a polarizer makes your image more vivid and clear, turning the actual landscape you've seen into your picture.
The two images below obviously show the difference of impact with/without polarizing effect in contrast.
Another two images show how the polarizing effect changes the image, eliminating light's reflection.
Photographers should keep in mind that a polarising filter will reduce a certain amount of light passing through the camera body in exchange for giving a polarizing effect.
Therefore, it is better not to use a polarizer under poor light conditions.
It is also better to consider attaching a High Transmittance Circular Polarizer (HTC) that is equivalent close to one F-stop while other conventional polarizers are equivalent to 1.5 stops.
In post-production, the Polarizing effect cannot be reproduced because they change the light entering your lens
Those are the reason why the Polarizing filter is a must-have filter.
Category | Screw-in |
Model | Marumi EXUS Circular PL |
Brand | EXUS |
Type | Polarizer |
Available Sizes, mm | 67, 72, 77, 82 |
Filter factor | 2.3x |
F-stop reduction | 1.2 |
Transmittance(Average) | 44% |
Reflectance | 0.6% |
Coating | Low-reflection |
Coating | Water-/Oil Repellent, Fingerprint-resistant |
Coating | Low reflection |
Frame Material | Aluminum |
Frame structure | Rotating |
Frame structure | Ultra thin frame |
Frame structure | Light blocking ridges |
Frame structure | Teflon coating on male thread |
Frame structure | Satin finish |
Frame structure | Knurling |
Frame structure | Lens cap attachable |