Leica Leica APO-Vario-Elmarit-SL 90-280mm f/2.8-4 Lens

* Angle of view (diagonal, horizontal, vertical): Focal length 90 mm: 26.4°/22.1°/14.8°; Focal length 280 mm: 9.1°/7.5°/5.0° * Optical design Number of elements/groups: 23/17 Position of entrance pupil: Focal length 90 mm: 130.2 mm; Focal length 280 mm: -21.1 mm Working range: Focal length 90 mm: 0.6 m to infinity; Focal length 280 mm: 1.4 m to infinity * Number of elements/groups: 23/17 * Position of entrance pupil: Focal length 90 mm: 130.2 mm; Focal length 280 mm: -21.1 mm * Working range: Focal length 90 mm: 0.6 m to infinity; Focal length 280 mm: 1.4 m to infinity * Focussing Smallest object field: Focal length 90 mm: 114 x 171 mm; Focal length 280 mm: 120 x 180mm Largest reproduction ratio: Focal length 90 mm: 1:4.8; Focal length 280 mm: 1:5.0 * Smallest object field: Focal length 90 mm: 114 x 171 mm; Focal length 280 mm: 120 x 180mm * Largest reproduction ratio: Focal length 90 mm: 1:4.8; Focal length 280 mm: 1:5.0 * Aperture Setting/function: Electronically controlled iris, setting with the camera ...