PRODUCT

21mm F1.4 ED AS UMC CS

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Experience the Depth and Breadth of Image

Wide Angle Manual Focus Photo Lens for Mirrorless Cameras

Samyang Optics 21mm F1.4 ED AS UMC CS is a wide angle manual focus photo lens for mirrorless cameras with APS-C sensor sizes. With broad 21mm angle of view and 3 glass aspherical lenses, it provides an opportunity to experience the depth and breadth of image.
Samyang 21mm F1.4 can be used for various purposes, such as exterior and interior landscapes and portraits.


Optical Features

Samyang 21mm F1.4 ED AS UMC CS has a low F number (F1.4). You may precisely control the lens when shooting under various exposure environment including relatively dark situations. This lens features 8 glasses in 7 groups including 1 extra low dispersion lens (ED) and 3 glass aspherical lenses (ASP) to offer high resolution throughout the image. Ultra Multi Coating(UMC) of Samyang Optics is used to optimize the light penetration and minimizes flare and ghost. With such optical construction, it has 0.28m of minimum Focusing Distance to capture the object in a close distance.


Hardware Features

There are 9 aperture blades designed to be almost as a full circle when aperture is closed which expresses starlike ray clearly and beautifully. The solid frame of the lens is made of high-strength aluminum alloy so you can create trustworthy images. This compact and light-weighted lens is specially designed for mirrorless cameras for portability. Also, detachable petal-shaped lens hood minimizes flare and ghost by sheltering lens from unnecessary lights.
Available for 4 mirrorless camera mounts: Sony E, MFT, Fuji-X and Canon M.

 


  • Bright F1.4 Aperture

    With a bright aperture of F1.4, it maintains shutter speed in indoor and low light conditions and ensures instant response while creating an out-of-focus effect to make the subject stand out.


  • Aspherical Lens

    With minimal spherical aberration and distortion, you can take pictures with incredible precision.


  • Minimized Flare and Ghost Effects with Ultra Multi Coating

    By reducing the impact of flares and ghosting effects in your pictures while ensuring excellent image quality and contrast from the center to the periphery, it offers crystal clear, sharp image quality.


  • Beautiful Bokeh with 9 Aperture Blades

    Featuring 9 rounded blades, it adds an artistic touch to your pictures and creates a sense of soft dimension with incredible bokeh, perfect for out-of-focus portraits and night city landscapes.



  • Compact & Lightweight

    The compact, lightweight build makes it the perfect choice when traveling.


  • Smooth Focus Ring

    Smooth focusing ensures precise control and produces images with incredible sharpness, making it the ideal choice for indoor and night shooting.

Technical Information
  • Specifications
    SPECIFICATIONS 1:1.4 21mm ED AS UMC CS
    APERTURE RANGE F1.4 ~ F22
    OPTICAL CONSTRUCTION 8 ELEMENTS IN 7 GROUPS (3ASPHERICAL LENSES)
    MINIMUM FOCUSING DISTANCE 0.28 m(0.92ft)
    FILTER SIZE Φ58.0mm
    MAXMUM DIAMETER Φ64.3mm
    MOUNT CANON M FUJIFILM X SONY E MICRO FOUR-THIRDS
    ANGLE OF VIEW ASP-C 66.4˚ 69.3˚ 69.3˚ -
    FOUR-THIRDS 4/3” - - - 55.6˚
    LENGH(mm) 67.5 67.9 67.6 66.4
    WEIGHT(g) 275 290 275 285
  • MTF CHART 

  • Optical Construction 

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