Leica 11-23mm F3.5-5.6 Asph T

11-23mm F3.5-5.6 Asph T 

Compatible cameras Leica T Angle of view (diagonal, horizontal, vertical) At 11 mm: approx. 103°, 93°, 70° At 23 mm: approx. 65°, 56°, 39° Corresponds to approx. 17–35 mm in 35 mm format Optical design Number of lens elements/groups 14/11 Aspherical surfaces 4 Position of entrance pupil (at infinity/closest focusing distance) At 11 mm: –70 mm At 23 mm: –59.7 mm (in light impingement direction in front of the bayonet flange) Focusing Setting/function Electronically controlled, focusing mode selectable from the camera menu: automatic (AF) or manual (M), manual override possible at any time in AF mode Focusing range 0.2 m to infinity Smallest object field/ largest reproduction ratio At 11 mm: approx. 230 × 153 mm/1:9.7 At 23 mm: approx. 127 × 85 mm/1:5.4 Aperture Setting/function Electronically controlled, dial setting option, one-third stop increments Smallest aperture value 16 Lens mount Leica T quick-release bayonet with contact strip for the Leica T camera system Filter mount/ lens hood External bayonet mount for lens hood (included with lens), inner thread for E67 filters, non-rotating filter mount Finish Black anodised Dimensions and weight Length to bayonet flange Approx. 97/77 mm (with/without lens hood) Largest diameter Approx. 86/73 mm (with/without lens hood) Weight Approx. 395/368 g (with/without lens hood)