Marshall Electronics V-4402.1-2.5-HR User Manual

TECHNOLOGY REPORT

Marshall Electronics, Inc. 1910 East Maple Av, El Segundo, CA 90245 USA TEL : [phone] FAX : [phone]

Website: www.mars-cam.com Email: [e-mail]

V-4402.1-2.5-HR Lens 2.1mm F2.5 High Resolution CCTV Lens

Specification Data Sheet

V-4402.1-2.5-HR Data.doc Page 1of 4

TECHNOLOGY REPORT

Marshall Electronics, Inc. 1910 East Maple Av, El Segundo, CA 90245 USA TEL : [phone] FAX : [phone]

Website: www.mars-cam.com Email: [e-mail]

MTF (modulation transfer function)

f=2.1mm F/2.5 1/3"
Wide-angle Lens

DIFFRACTION MTF

ORA 07-Sep-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

DIFFRACTION LIMIT
AXIS

T

0.7 FIELD ( )57.25

R
T

1.0 FIELD ( )83.93

R

WAVELENGTH WEIGHT

656.3 NM 1

O

587.6 NM 2

486.1 NM 1

O

DEFOCUSING 0.00000

0.1

10.0 20.0 30.0 40.0 50.0

SPATIAL FREQUENCY (CYCLES/MM)

V-4402.1-2.5-HR Data.doc Page 2of 4