Lens not zoomable; 35 millimeter focal length, Macro Focus Range : 0.25 meter 52.5 millimeter equivalent focal length on DX Format cameras; F1.8 maximum aperture, F16 minimum Ultrasonic type AF motor with full time manual focusing; 58 millimeter filters; Note: Refer the user manual before use Note: This is an FX format F mount lens. FX and DX lenses can be mounted on all Nikon DSLR cameras. However, using a DX lens on an FX camera or an FX lens on a DX camera will result in a 1.5x crop factor 35 millimeter focal length, macro focus range: 0.25 meter. Rear focusing system 52.5 millimeter equivalent focal length on DX Format cameras F1.8 maximum aperture, F16 minimum Ultrasonic type AF motor with full time manual focusing 58 millimeter filters Note: Refer the User Manual before use 35 millimeter focal length, Macro Focus Range : 0.25 meter 52.5 millimeter equivalent focal length on DX Format cameras F1.8 maximum aperture, F16 minimum Ultrasonic type AF motor with full-time manual focusing 58 millimeter filters Note: Refer the User Manual before use