For Nikon Z-mount: VILTROX AF 33mm F1.4 Z is a wide-angle prime lens designed for APS-C format Nikon Z-mount mirrorless cameras. It supports lens IS stabilization, EXIF information transmission, and USB upgrade. | Auto & Manual Adjustment: To adjust the aperture automatically, turn the aperture knob at the bottom of the lens to A, which means the camera controls the aperture; To adjust manually, turn the aperture ring at the bottom of the lens directly by hand. | F1.4 Large Aperture: Bright F1.4 large aperture suits working in low-light conditions and also affords greater control over depth of field. The shallow depth of field of the lens and the circular aperture of 9 aperture blades make it easy to create a soft background blur effect for portrait and wedding shooting. | SMT Stepping Motor: The STM stepping motor enables quick, quiet, and precise autofocus performance along with full-time manual focus override. Nearly zero breathing effect, as far as possible to avoid changes in the viewing angle caused by focusing. | Advanced Optical Design: Consists of 10 elements in 9 groups, including one extra-low dispersion lens and one high refraction index lens, which help to realize high sharpness and accurate rendering.HD Nano multilayer coating can correct the dispersion difference and eliminate ghosting and flare. | Precision Metal Structure: The body of the lens is a refined metal structure that is very textured, the whole lens weight is only 310g, which is very light and easy to take out outdoors without taking up space. Integrated Type-C port, which can be used to update the lens's firmware, making future firmware updates to the lens