Samsung 12-24mm f4-5.6 Ultra-wide Zoom Lens For All NX Models: Technical Information Focal Length: * 12-14mm Magnification: * 0.14x Aperture Range: * F4 to F5.6 Focus Distance: * 0.24m minimum Lens Construction: * 10 elements in 8 groups Viewing Angle: * 99 to 60.7 degrees Physical Characteristics Dimensions: * 63.5mm long Weight: * 208g Compatibility: * All Samsung NX models