Spec sheet

Page 1 of 3

As at November 2017

Speciﬁcations are subject to change without notice

Leica Camera AG

Am Leitz-Park 5

35578 WETZLAR

GERMANY

Telephone +49(0)6441-2080-0

Fax +49(0)6441-2080-333

www.leica-camera.com

LEICA ELMARIT-TL 18 mm f/2.8 ASPH.

Technical data.

Illustrations 1:1

Lens Leica Elmarit-TL 18 mm f/2.8 ASPH.

Order no. Black anodized: 11 088

Silver anodized: 11 089

Compatible cameras All Leica cameras with Leica L bayonet

Angle of view

(diagonal, horizontal,

vertical)

Approx. 75°, 65°, 46°, corresponding to around 27 mm focal length in 27 mm format

Optical design Number of lenses/groups: 8/6

Aspherical surfaces: 4

Position of entrance pupil (at inﬁnity): -12.5 mm (in direction of light incidence in front of bayonet mount)

Distance setting Setting/Function: Electronically controlled

Mode selectable using camera menu: Automatic (AF) or manual (M), in AF mode manual override possible at any times

with setting dial

Focusing range: 0.3 m to

∞

Smallest object ﬁeld/largest scale: approx. 343 x 228 mm/1:14

Aperture Setting/Function: Electronically controlled, adjustment using dial on camera,

third values also available

Lowest value: 16

Bayonet ﬁtting Leica L bayonet with contact strip

Filter mount/

Lens hood

Internal thread for E39 ﬁlters, ﬁlter mount does not rotate

Finish Black/silver anodized

Dimensions and Weight Length to bayonet mount: approx. 21 mm

Largest diameter: approx. 62 mm

Weight: approx. 80 g

PAGE 1
LEICA ELMARIT-TL 18 mm f/2.8 ASPH. Technical data. Illustrations 1:1 Lens Leica Elmarit-TL 18 mm f/2.8 ASPH. Order no. Black anodized: 11 088 Silver anodized: 11 089 Compatible cameras All Leica cameras with Leica L bayonet Angle of view (diagonal, horizontal, vertical) Approx. 75°, 65°, 46°, corresponding to around 27 mm focal length in 27 mm format Optical design Number of lenses/groups: 8/6 Aspherical surfaces: 4 Position of entrance pupil (at infinity): -12.
PAGE 2
LEICA ELMARIT-TL 18 mm f/2.8 ASPH. ENGINEERING DRAWING Illustration 1:1 LENS SHAPE Brennweite 18mm ASPH ASPH. ASPH ASPH. Page 2 of 3 I As at November 2017 I Specifications are subject to change without notice Leica Camera AG I Am Leitz-Park 5 I 35578 WETZLAR I GERMANY I Telephone +49(0)6441-2080-0 I Fax +49(0)6441-2080-333 I www.leica-camera.
PAGE 3
LEICA ELMARIT-TL 18 mm f/2.8 ASPH. MTF DIAGRAMS Brennweite 18mm Focal length 18 mm Infinity Unendlich 100 Close focus distance Nahbereich Aperture Blendestop 2.82.8 [%] 100 80 80 60 60 40 40 20 20 0 100 0 0.2 0.4 0.6 0.8 1 Y'[mm] 0 Blendestop 5.65.6 Aperture [%] 100 80 80 60 60 40 40 20 20 0 0 0.2 0.4 0.6 0.8 1 Y' [mm] 0 Aperture Blendestop 2.82.8 [%] 0 0.2 0.6 0.8 1 Y'[mm] Blendestop 5.65.6 Aperture [%] 0 0.4 0.2 0.4 0.6 0.