Compact prime lens with pleasing bokeh quality. Image sensor standard: full frame. Lens mount: Nikon Z. Focus: manual. Filter thread diameter: 77 mm. Four achromatic lens elements reduce chromatic aberrations and color fringing. Suitable for high-quality portrait photography. The 90 mm f/1.25 lens utilizes four sets of achromatic doublets to significantly improve chromatic aberration and resolution performance, achieving outstanding image quality. It is the top choice for portraits and close-ups. Its high light intensity and unique depth of field aesthetics make this telephoto lens a preferred option for portrait photographers. The angle of view is 27 degrees. It emphasizes the main subject while avoiding the claustrophobic feeling caused by super telephoto lenses. Soft bokeh with a fast maximum aperture of f/1.25. The extremely bright aperture of f/1.25 offers remarkable control over depth of field for selective focus shots and is also advantageous for handheld shooting in challenging lighting conditions. The lens hood can be mounted backwards. Thanks to the practical reversible design, the lens hood can be reversed for easy storage. With the extended lens end, it can protect the lens from moisture, wind, and impacts. The aperture ring is graduated with the right amount of resistance and click stops, marking full stops from f/1.25 to f/16.