
The previously rumored new Tokina 400mm f/8 IIS mirror/reflex lens is now officially announced (it replaces the current Tokina SZX 400mm f/8 reflex MF model). Just as before, the new lens will come with T-mount and will be compatible with Canon EF, Canon M, Sony E, Nikon F
Nikon Z, Fujifilm X, Pentax K, and Micro Four Thirds with the help of an adapter. The new lens has improved performance – here are the details:
Specification table
| Focal length | 400mm |
|---|---|
| Brightness | F8 (fixed) |
| Lens configuration | 6 sheets in 2 groups |
| Angle of view | 6 ° 8′(35mm full size) |
| size | 112mm x Φ74mm (for mirrorless) 82mm x Φ74mm (for single-lens reflex camera) |
| weight | 545g (for mirrorless) 500g (for single-lens reflex camera ) |
| Filter diameter | 67mm (front side) 30.5mm (mount side) |
| Shortest shooting distance | 1.15m |
| Maximum shooting magnification | 1: 2.5 |
| Focus method | Front ball feeding method / manual focus |
| Aperture blade | none |
| Hood | Dedicated hood (included) KMH-671 |
| Mount part | Uses T mount (installed at the time of shipment) |
Lens lineup:
| Product name | Model number | JAN code |
|---|---|---|
| Mirror lens 400mm F8 N II S Canon EF | KF-M400CEF | 4961607423486 |
| Mirror Lens 400mm F8 N II S Canon M | KF-M400CMIIS | 4961607423530 |
| Mirror lens 400mm F8 N II S Sony E | KF-M400SEIIS | 4961607423509 |
| Mirror lens 400mm F8 N II S Nikon F | KF-M400FIIS | 4961607423479 |
| Mirror lens 400mm F8 N II S Nikon Z | KF-M400NZIIS | 4961607423547 |
| Mirror lens 400mm F8 N II S Fujifilm X | KF-M400FXIIS | 4961607423523 |
| Mirror lens 400mm F8 N II S Pentax K | KF-M400PK | 4961607423516 |
| Mirror lens 400mm F8 N II S Micro Four Thirds | KF-M400MFT | 4961607423493 |
Additional information on the new lens is available at the Kenko Tokina website.







