PRODUCT

300mm F6.3 ED UMC CS

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315g of light weight and long focal length make a perfect partner for your photography

Samyang 300mm F6.3 UMC CS is a compact reflex mirror lens suitable for wildlife and landscape photography and astrophotography. It is available for both DSLR and mirrorless cameras with APS-C sensors. The lens for DSLR cameras works with Canon EOS, Nikon, Sony A while the lens for mirrorless cameras works for Sony E, Fujifilm X, MFT and Canon M. For DSLR, the optical construction features 8 lenses in 8 groups and for mirrorless, 9 lenses in 9 groups providing exceptional image quality and contrast by reducing color aberration. Ultra Multi Coating (UMC) helps reducing ghosting and flare as much as possible.

This lens is a manual lens with smooth manual focusing. Due to the long focal length, it is recommended to focus with live-view to achieve accurate focus. As with all long telephoto lenses a combination of sturdy camera support, substantial tripod, good technique, fast shutter speed, use of remote, and mirror lock up are recommended to avoid camera shake to achieve the best results.

You may choose this lens according to your camera type - mirrorless or DSLR camera. It comes with 2 colors such as black and silver. Filter diameter is 58mm in front and 25.5mm for rear. Supplied with front and rear lens caps, and lens hood.

 

 


  • 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.



  • 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.


  • Reflex Mirror Lens

    The short barrel adds to convenience while the unique donut-shape bokeh makes images even more attractive.

Technical Information
  • Specifications(f=300mm F6.3 MIRROR LENS)
    Model Name 300mm F6.3 ED UMC CS
    Aperture Range F6.3
    Optical Construction 9 ELEMENTS IN 9 GROUPS
    Minimum Focusing Distance 0.9 m (2.95ft)
    Filter Size 25.5mm (REAR)
    Maximum Diameter 64.5mm
    Mount Canon M Fujifilm X Sony E MFT
    AAngle Of View ASP-C 5.1˚ 5.4˚ 5.4˚ -
    FOUR-THIRDS - - - 4.2˚
    Length 73.7mm 74.1mm 73.8mm 72.6mm
    Weight 320g 320g 320g 310g




    Specifications (f=300mm F6.3 DSLR)
    Model Name 300mm F6.3 ED UMC CS
    Aperture Range F6.3
    Optical Construction 8 ELEMENTS IN 8 GROUPS
    Minimum Focusing Distance 1.1 m (3.6ft)
    Filter Size 25.5mm (REAR)
    Maximum Diameter 64.5mm
    Mount Canon M Nikon F Sony A
    Angle Of View ASP-C 5.5˚ 5.5˚ -
    FOUR-THIRDS - - -
    Length 76.1mm 73.6mm 75.6mm
    Weight 270g 260g 260g
  • MTF CHART 






  • Optical Construction 

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Samyang’s Guide to Achieving the Optimal Angle of View

The perfect spacing and distance are always necessary when shooting all kinds of subjects, including people, to give them a proper relationship with the beautiful space around them. So, what’s the exact distance that helps you best appreciate a work of art, or a photo?

The correct answer is the diagonal length of the full frame of a subject.

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The best standpoint from which to appreciate the full view of a subject is the distance of the diagonal length of the subject frame. This wider angle is superior to standing closer at a 50 degree angle to get a more detailed view. This notion of an ideal distance or view point is also applicable in the world of photography.

For still images, keeping a distance equal to the diagonal length of the full image surface is recommended. The full frame sensor of a digital camera is 36 x 24mm and the diagonal length is 43.26mm so any distance close to this number is nearer to the ideal than the currently accepted industry standard of 50mm.

Back when film cameras were common, 45mm was the industry standard and this continued as reflex cameras needed extra space to fit a mirror. However, as mirrorless cameras become more popular again, there has been a need to return to this industry standard…which is the impetus for the Samyang AF 45mm F1.8 FE. With less distortion than a 35mm lens and wider angles than a 55mm lens, the Samyang AF 45mm F1.8 FE is a perfect lens for portraits, landscapes, architecture photography, and pictures of pets.