LEICA ELMARIT-M 28 mm f/2.8 ASPH. This new high-speed lens is the most compact of Leica M lenses. By using an aspherical element it was possible to attain top imaging performance with a weight of only 180 grams. This lens is practically distortion-free in the whole focus range from 0.7 m to infinity and only extends slightly into the viewfinder field of M cameras. Used on the digital M8, it produces the effect of a 35mm lens which makes it ideal for reportage.
LEICA ELMARIT-M 1:2,8/28 mm ASPH. 2 Engineering drawing Technical Data Angle of view (diagonal, horizontal, vertical) for 35 mm (24 x 36 mm): 75°, 65°, 46° for digital (18 x 27 mm): 60°, 51°, 36°, corresponds to a focal length of approx. 37mm with 35mm-format Optical design Number of elements / groups: 8 / 6 Focal length: 28,4 mm Entrance pupil: 12,8 mm (related to the first lens surface in light direction) Focusing range: 0.
100 [%] 80 LEICA ELMARIT-M 1:2,8/28 mm ASPH. 60 40 20 0 MTF graphs 100 Aperture Stop 2.8 [%] 100 80 [%] 80 Aperture Stop 2.8 60[%] 100 100 60 40 80 40 80 40 20 60 20 60 20 5 20 100 0 15 20 Y'[mm] 5 10 15 80 20 Y'[mm] Aperture Stop 5.6 60[%] 100 40 80 20 60 0 40 0 5 20 100 0 15 20 Y'[mm] Aperture Stop 8.0 [%] 0 10 5 10 15 80 20 Y'[mm] Aperture Stop 8.0 60[%] 100 10 15 [%] 5 0 40 3 2 1[%] 50 4 -1 3 -2 2 -3 1 -4 0 -5 -1 0 -2 -3 -4 -5 Y'[mm] 0 8.0 5.6 2.
100 [%] 100 60 40 40 20 20 Distortion 20 Y'[mm] 5 4 3 2 1 0 -1 -2 -3 -4 -5 [%] LEICA ELMARIT-M 1:2,8/285.6 mm ASPH. 60 0 5 4 3 2 1 0 -1 -2 -3 -4 -5 8.0 80 80 20 Y'[mm] [%] 0 50 0 [%] 2.8 100 10 5 1510 2015 Y'[mm] 20 Y'[mm] 4 0 5 10 15 20 Y'[mm] Effective Distortion Aperture Stop 8.
LEICA ELMARIT-M 1:2,8/28 mm ASPH.
LEICA ELMARIT-M 1:2,8/28 mm ASPH.
LEICA ELMARIT-M 1:2,8/28 mm ASPH. 7 Distance Setting [m] Aperture Stop 16 0,7 0,8 1 1, 1,5 2 3 5 10 ∞ 0 1 2 3 4 5 6 7 8 9 10 6 7 8 9 10 Depth of Field [m] Distance Setting [m] Aperture Stop 22 0,7 0,8 1 1, 1,5 2 3 5 10 ∞ 0 1 2 3 4 5 Depth of Field [m] Leica Camera AG / Oskar-Barnack-Straße 11 / D-35606 Solms / Telefon + 49 (0) 6442-208-0 / Telefax + 49 (0) 6442-208-333 www.leica-camera.com / info@leica-camera.