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Kenko 400mm F8 IIS Mirror Lens announced – Specs and Sample Images

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Product Details and Samples

The reflected optics using a mirror realizes an amazingly compact size and lightness while being ultra-telephoto of 400 mm. The inner reflection of the T-mount part has been suppressed and the performance has been improved. The unique ring blur unique to mirror lenses is attractive. We have a lineup of 8 types of mounts for single-lens reflex and mirrorless.

  • The mount is T-mount type and removable. You can also convert it to another mount.
  • The focus is manual. Exposure is only supported by aperture-priority AE(A) or (Av), or manual (M).
  • Depending on the camera, you need to set “Allow release without lens”.
  • Suggested retail price: Open
    [Released on December 24, 2021]

Specs

  • focal length: four hundred mm
  • brightness: F8 (fixed
  • )Lens configuration: six pieces in two groups
  • angle of view: 6°8′ (35mm full size)
  • size: 112mm x Φ74mm (for mirrorless)
    82mm x Φ74mm (for SLR)
  • weight: 545g (for mirrorless)
    500g (for SLR)
  • filter diameter: 67mm (front side)
    30.5mm (mount side)
  • Minimum focusing distance: one thousand fifteen meters
  • Maximum magnification: one two and a half
  • Focus method: Front ball pull-out method, manual focus
  • squeezed blade: none
  • hood: Dedicated hood (included) KMH-671
  • mount part: T-mount used (installed at the time of shipment)
  • Mirror lens 400mm f/8 N II S Fujifilm X KF-M400FXIIS

via kenko-tokina

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