A compact prime lens designed for Sony E-mount mirrorless cameras, the Viltrox AF 40mm f/2.5 E Lens pairs a unique focal length with a fairly bright aperture. The incorporated STM stepping motor allows for quick and quiet autofocusing performance. This lightweight lens is ideal for everyday photography and is viable for portraiture as well. The optical design includes multiple high-quality lens elements to reduce optical aberrations and improve overall image quality. -One ED element, one aspherical element, and three HR elements contribute to improved image clarity and reduced optical aberations -Ten lens elements in six groups -Supports Exif data transmission -Minimum focusing distance: 1.1' -52mm filter thread -Seven-bladed aperture Spesification: Focal Length: 40mm Maximum Aperture: f/2.5 Lens Mount: Sony E Lens Format Coverage: Full-Frame Focus Type: Autofocus Image Stabilization: No Filter Size: 52 mm (Front) Angle of View: Minimum Focus Distance: 1.1' / 34 cm Maximum Magnification: 0.14x Optical Design: 10 Elements in 6 Groups Diaphragm Blades: 7 Packing List: 1x Viltrox AF 40mm f/2.5 E Lens (Sony E) 1x Front Lens Cap 1x Rear Lens Cap 1x Lens Hood