Kenko 400mm f/8.0 Reflex Lens

With a reflective optical system using mirrors, the lens realized surprisingly compact size and lightness while being super telephoto of 400 mm. Unique Ring Boke is attractive.

Lineup of nine kinds of mounts for single lens reflex and mirrorless.

※ Mount is T mount type, it is detachable type. It can convert to other mounts.

* Pinto is manual. Exposure corresponds to aperture priority AE (A) or (Av) or manual (M) only.

※ The setting of “Allow release without lens” setting is required by the camera.

Suggested retail price: Open

[Sale on 15th September 2017]

Focal length 400 mm
Brightness F8 (Fixed)
Lens configuration 2 groups 6 sheets
Angle of view 6 ° 8 ‘(35 mm full size)
full length 82 mm (for single lens reflex)
112 mm (for mirrorless)
Maximum diameter 74 mm
weight 500 g (Canon EF)
545 g (Sony E)
Filter diameter 67 mm (front side)
30.5 mm (mounting side)
Shortest shooting distance 1.15 m
Maximum shooting magnification 1: 2.5
Focus method Front ball extension type · Manual focus
Diaphragm blade None
Food Special hood (included) KMH-671
Mount part T mount use (factory installed)


Product name Corresponding mount JAN code
Mirror lens 400 mm F 8 N II Nikon F Nikon F 4961607423394
Mirror lens 400 mm F 8 N II Canon EOS Canon EF 4961607423400
Mirror Lens 400 mm F 8 N II Sony Alpha Sony A 4961607423431
Mirror lens 400 mm F 8 N II penta APK Pentax K 4961607423448
Mirror lens 400 mm F 8 N II micro 4/3 Micro Four Thirds 4961607411438
Mirror lens 400 mm F 8 N II Sony E Sony E 4961607423424
Mirror lens 400 mm F 8 N II Fuji X FUJIFILM X 4961607423455
Mirror lens 400 mm F 8 N II Canon M Canon M 4961607423462
Mirror lens 400 mm F 8 N II Nikon 1 Nikon 1 4961607423387
This entry was posted in 3rd Party Lens and tagged , . Bookmark the permalink. Trackbacks are closed, but you can post a comment.
  • FCC disclosure statement: this post may contain affiliate links or promotions that do not cost readers anything but help keep this website alive. As an Amazon Associate I earn from qualifying purchases. Thanks for your support!