Prime Plasma Sputtering C-P.L

Marumi Prime Plasma Sputtering C-P.L

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.

• Absolutely close to the neutral gray, redressing the yellowish color balance that originated from Polarizer. Contrast-enhanced, more saturation is provided, and the blue sky will be vividly deepened.
• The Plasma Sputtering coating technology implemented/ Twenty-eight layers in total on both sides with a reflection rate under 0.18% (400-700nm average)
• Static quick discharge works wonders on the surface of the glass, which is structured to prevent static electricity. Dust and dirt are hardly adhered to the surface; even if they do, the blower blows them off quickly and easily.
• Water-/oil repellence sheds water simply by the air blower. Nuisances such as sweat, skin crème, lotion, fingerprints, or compounded grease stains will be wiped off.
• While color neutrality is given priority to avoid a yellowish color shift, the transmittance rate remains approximately 33%. (400-700nm average)
• Realized an ultra-thin aluminum rotating structure to avoid vignetting.
• Knurling embedded in the lightweight frame enables easy and smooth handling.
• Made in Japan, lamination technology has been indurated by decades of technical succession.

Picture taken with Plasma CPL by ©LUKE H. OZAWA

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What are the benefits of using a polarizing filter?
Why is a polarizing filter recognized among most photographers as an essential must-have? Does Photoshop or another equivalent editing tool work instead of a polarizer?

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.

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