TECHNOLOGY REPORT
Marshall Electronics, Inc. 1910 East Maple Av, El Segundo, CA 90245 USA TEL : 310-333-0606 FAX : 310-333-0688
Website: www.mars-cam.com Email: sales@mars-cam.com
V-4412.0-2.0-HR Lens 12.0mm F2.0 High Resolution CCTV Lens
Specification Sheet Date
V-4412.0-2.0-HR Data.doc Page 1 of 4
TECHNOLOGY REPORT
Marshall Electronics, Inc. 1910 East Maple Av, El Segundo, CA 90245 USA TEL : 310-333-0606 FAX : 310-333-0688
Website: www.mars-cam.com Email: sales@mars-cam.com
MTF (modulation transfer function)
V-4412.0-2.0-HR
DIFFRACTION MTF
ORA 21-Feb-06
1.0
0.9
0.8
0.7
M
O
0.6
D
U
L
0.5
A
T
I
0.4
O
N
0.3
0.2
0.1
10.0 20.0 30.0 40.0 50.0
SPATIAL FREQUENCY (CYCLES/MM)
DIFFRACTION LIMIT
AXIS
T
0.3 FIELD ( )4.30
R
T
0.5 FIELD ( )7.16
R
T
0.7 FIELD ( )10.02
R
T
1.0 FIELD ( )14.32
R
WAVELENGTH WEIGHT
O
850.0 NM 2
780.0 NM 1
O
656.3 NM 1
O
587.6 NM 2
O
486.1 NM 1
DEFOCUSING 0.00000
V-4412.0-2.0-HR Data.doc Page 2 of 4