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Key Features
A breakthrough Polarizer realizing extremely clear vision even under backlight scene
Neutral gray color balance
Enhanced scratch-resistant performance on the glass surface
The most outstanding maintenance performance, Dust-/Water-/Oil-/Fingerprint-resistant
Ultra-thin-aluminum frame structure
Low profile & easy handling rotating filter
Made in Japan
A breakthrough technology, "Plasma Sputtering" coating pursuing the top of the top polarizer realized the Marumi Prime Plasma Sputtering C-P.L (Plasma CPL), which enabled an extremely clear vision even under a backlight scene by lowering the reflectance to the limit, almost perfectly neutralized color balance, and the spectacularly enhanced scratch-resistant performance.
Picture taken with Plasma CPL by ©LUKE H. OZAWA
A polarizing filter allows you to;
- control reflections from non-metallic objects; the surface of water, window, or glossy coating/painting.
- To prevent and reduce glare, but still 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.
Picture taken with Plasma CPL by ©Noriko Kita
Picture taken with Plasma CPL by ©Koji Yoneya
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) 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 it changes the light entering your lens.
Those are the reasons why the Polarizing filter is a must-have filter.
Category | Screw-in |
Model | Marumi Prime Plasma Sputtering C-P.L |
Brand | PRIME |
Type | Polarizer |
Available Sizes, mm | 67, 72, 77, 82 |
Filter factor | 3.0x |
F-stop reduction | 1.6 |
Transmittance(Average) | 33% |
Reflectance | 0.18% |
Coating | Static-resistant |
Coating | Water-/Oil Repellent, Fingerprint-resistant |
Coating | Low reflection |
Coating | Ultra scratch resistant |
Coating | Fingerprint resistant |
Frame Material | Aluminum |
Frame structure | Rotating |
Frame structure | Ultra thin frame |
Frame structure | Satin finish |
Frame structure | Knurling |
Frame structure | Lens cap attachable |
The plasma CPL has the world lowest class reflection rate of 0.18%, under the whole visible range in average. (400-700nm).
The plasma CPL has the ideal neutral color balance centered in RGB (ISO 6728:1983).
Question:
It seems that my polarizing filter has discolored and the polarizing effect has diminished. Why is that happening?
Answer:
Polarizers are not immune to deterioration under prolonged exposure to light and heat. Please read the article linked and learn the factors that contribute to their wear & tear, as well as to mitigate these effects.