MARUMI FIT+SLIM Circular PL, Package
MARUMI FIT+SLIM Circular PL, Diagonal
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    FIT+SLIM Circular PL


    Key Features

    Basic polarizer model with unsurpassed color-neutral polarizer
    Low profile and thin aluminum frame structure
    Light weight filter
    Made in Japan

    • Product Type: POLARIZER
    • Barcode: 4957638922289

    Marumi FIT+SLIM Circular PL

    The Marumi FIT+SLIM Circular Polarizer is especially well-suited to whom coating is not mandatory.
    • Both hue reproducibility and high saturation color reproducibility are achievable simultaneously.
    • While color neutrality is given priority, the transmittance rate remains approx 30%. (400-700nm average)
    • Realized a thin aluminum frame to avoid vignetting even with a wide-angle lens
    • Lightweight and rotating mount structure
    • Made in Japan, indurated lamination technology by decades of technical succession.

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

    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.


    General Info
    ModelMarumi FIT+SLIM Circular PL
    Available Sizes, mm37, 40.5, 43, 46, 49, 52, 55, 58, 62, 67, 72, 77, 82
    Main Characteristics
    Filter factor3.3x
    F-stop reduction1.7
    Frame MaterialAluminum
    Frame structureRotating
    Frame structureThin frame
    Frame structureSatin finish
    Frame structureLens cap attachable


    It seems that my polarizing filter has discolored and the polarizing effect has diminished. Why is that happening?

    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.