Sony SAL30M28 - 30mm f/2.8 Macro SAM A-Mount Lens for Sony Alpha DSLR's

Product Details: Lightweight design - Small size, light weight, Macro Lens Sony alpha mount - Sony alpha mount for APS-C size DSLR DT 30mm f/2.8 SAM Smooth & silent AF - Smooth & silent AF operation with built-in Motor (SAM) 45mm - 35mm focal length equivalant; 45mm                 Closest focus distance: 0.13m Product Specifications: Optics/Lens Aperture (Max.): f/2.8 Aperture (Min.): f/22 Filter Diameter: 49mm Minimum Focus Distance: 0.4ft (0.13m) Focal Length (35mm equivalent): APS-C 35mm eqv. 45mm Focus Control Focus System: Front focus SAM (Smooth AF motor)