Leica Elmarit-R 28 mm f/ 2.8 Lens Brochure
LEICA APO-ELMARIT-R 180 mm f/2.8
3
0
5
10
15
20
Y'[mm]
0
20
40
60
80
100
[%]
Aperture Stop 2.8
0
5
10
15
20
Y'[mm]
0
20
40
60
80
100
Aperture Stop 8.0
[%]
0
5
10
15
20
Y'[mm]
0
20
40
60
80
100
[%]
Aperture Stop 5.6
The MTF is indicated both at full aperture and at
f/5.6 at long taking distances (infinity). Shown
is the contrast in percentage for 5, 10, 20 and
40 lp/mm accross the height of the 35 mm film
format, for tangential (dotted line) and sagittal
(solid line) structures, in white light. The 5 and
10 lp/mm will give an indication regarding the
contrast ratio for large object structures.The
20 and 40 lp/mm records the resolution of finer
and finest object structures.
f/5.6 at long taking distances (infinity). Shown
is the contrast in percentage for 5, 10, 20 and
40 lp/mm accross the height of the 35 mm film
format, for tangential (dotted line) and sagittal
(solid line) structures, in white light. The 5 and
10 lp/mm will give an indication regarding the
contrast ratio for large object structures.The
20 and 40 lp/mm records the resolution of finer
and finest object structures.
tangential structures
sagittal structures
_ _ _ _ _ _ _ _
MTF graphs