Tokina SZX Super Telephoto Lens - 400mm f8

No, the Tokina SZX Super Telephoto Lens is a manual focus lens. You will need to adjust the focus ring by hand to achieve sharp images.

The lens uses a standard T-mount system. You will need a T-mount adapter specific to your camera's mount system (e.g., Canon EF, Nikon F, Sony E-mount, Micro Four Thirds). These adapters are sold separately.

The constant f/8 aperture is best suited for well-lit conditions. For low light, you will need to increase your camera's ISO and/or use a slower shutter speed, which may introduce noise or motion blur.

Through the use of T-mount adapters, this lens is compatible with full-frame, APS-C, and Micro Four Thirds (MFT) cameras.

Use your camera's live view zoomed in or the viewfinder to carefully adjust the focus ring until the subject appears sharp. For stationary subjects, focus peaking or magnification features on your camera can be very helpful.

The primary advantage of the constant f/8 aperture is its predictability and the resulting compact design of the lens. It also provides a decent depth of field for keeping more of the scene in focus.

Ensure the correct T-mount adapter for your camera system is securely attached to both the lens and the camera body. Check if the camera is set to a manual shooting mode (M).

Verify that the lens is properly mounted. Ensure you are using manual focus correctly by turning the focus ring until the subject appears sharp in the viewfinder or on the LCD screen. Check that your shutter speed is fast enough to prevent camera shake, especially at longer focal lengths.

Confirm you are using the correct T-mount adapter for your camera. Ensure there are no obstructions on the T-mount threads or the camera mount. Mount the lens gently and rotate until it clicks into place.