This SZX 400mm f/8 Reflex MF Lens for Nikon Z from Tokina is a 400mm super telephoto lens with a catadioptric optical design and a fixed f/8 aperture. It offers a compact alternative to standard telephoto lenses and fits easily in your pocket or a small bag for travel, wildlife, and outdoor photography.

The SZX 400mm f/8 reflex lens features a T-Mount design, making it easily adaptable to a wide variety of camera systems. Included with the lens is a Z-mount adapter.

Z-Mount Lens/Full-Frame Format    Catadioptric Telephoto Lens    Fixed Aperture: f/8    Manual Focus    Multicoating and Antioxidant Coating    Filter Size: 67mm    Close Focus: 45.3"

Manual focus, catadioptric optical design telephoto lens with fixed f/8 aperture, which is compatible with select camera focus peaking systems and in-body multi-axis advanced image stabilization systems.

Multilayered anti-reflection coating for efficient light intake and reduced flare, plus high-reflectivity silvered coating and a protective antioxidant layer on the back side of mirrored surfaces for long performance life.

Minimum focusing distance of 45.3" and magnification 0.4x can capture small objects, while the 400mm focal length reduces the possibility of casting a shadow on the subject

Catadioptric design and construction creates a smooth and unusual donut-shaped bokeh

Wide focus ring provides smooth rotation range of 270°

Related Questions and Answers

Q: 1. I already have T adapters for several cameras (e.g., Canon 5DIV and RF). Will this lens work with those adapters or only with Tokina's adapter?

A: This would be compatible with the T adapters that you already have.

Q: 2. Does this include a t-mount adapter, or is that purchased separately?

A: The Tokina SZX 400mm f/8 Reflex MF Lens for Canon EF has a Canon EF mount. It is not a T mount lens.

Q: 3. Can the lens hood be reversed and stored on the lens?

A: The Tokina SZX 400mm f/8 Reflex MF Lens for Nikon F's lens cap cannot be reversed and stored on the lens.

Q: 4. I just got this lens for an Olympus EM1-ii. Can't seem to get the focus peaking to work. Works fine with the one other manual focus lens I have. Is there some limitation with being 400mm or f/8?

A: According to Olympus, they state this must be an isolated lens issue. There is no in-camera reason for lack of focus peaking. You simply need to customize a button to focus peaking usage. Tap the selected customized button to turn on focus peaking, and tap the button again to turn off the focus peaking feature. If there is still no focus peaking, then it is really a lens issue as focus peaking depends on contrast to work; no electrical lens contacts are needed.

Q: 5. Is this apse or full frame? Listing says both.

A: Hi, this is a Full Frame lens.

Q: 6. I have the M50 therefore this would require the adapter it comes with plus the ef to m adapter. Would this work?

A: Yes, this comes with the EF adapter, thus you'd just need the EF to EF-M adapter to get it on to your Canon EOS M50.

Q: 7. Does this come with a lens cap, or do I have to buy one separately?

A: A lens cap is included with this lens.

Q: 8. Do this need and/or come with an adaptor for Fujifilm. Is this lens auto focused, or totally manual focus?

A: This lens comes with an adapter and is manual focus only.

Q: 9. Has anyone used this lens on a 90D or another camera that doesn't have focus peaking or vibration control? If so, were you able to get reasonably sharp photos without camera shake being an issue?

A: It's definitely going to be a bit more difficult focusing with a 90D or DSLR that doesn't have stabilization or focus peaking. I would recommend using a tripod and a shutter remote to maximize stability. Even with focus peaking and stabilization, the lens still requires critical focusing.

Q: 10. Is the "donut-shaped bokeh" what we otherwise know as "circles of confusion"?

A: No. The sharpest point of focus on a camera's sensor would be a single point on the camera's sensor. "Circles of confusion" describes the small area of what our eyes would perceive to still be in "acceptable focus," but which do not fall as single points of focus on the sensor. They are circles slightly larger than a single dot (point), but which are small enough to still be perceived as in focus. Bokeh describes the quality of the out-of-focus area in an image, so "donut-shaped bokeh" are not perceived as being in focus and is not considered circles of confusion. --- The distinctive shape of the bokeh from mirror lenses comes from the design of the lens and the placement of the reflecting mirror in the center of the image. Light enters the optical tube, passes a small mirror, and strikes a concave mirror at the rear of the tube. The light is focused back toward the small mirror and reflected back through a hole in the concave mirror where the camera or eyepiece is mounted. The result is bokeh with a bright edge and a relatively dark center (similar to a donut).