Marshall Electronics V-4402.5-2.5-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-4402.5-2.5-HR Lens 2.5mm F2.5 High Resolution CCTV Lens

Specification Data Sheet

V-4403.5-2.5-HR Data.doc Page 1 of 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)

DIFFRACTION LIMIT

V-4402.5-2.5-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

AXIS

T

0.3 FIELD ( )22.66

R
T

0.6 FIELD ( )41.28

R
T

0.8 FIELD ( )55.88

R
T

1.0 FIELD ( )71.68

R

O

WAVELENGTH WEIGHT

656.3 NM 1

O

546.1 NM 1

O

486.1 NM 1

O

DEFOCUSING 0.00000

0.2

0.1

10.0 20.0 30.0 40.0 50.0

SPATIAL FREQUENCY (CYCLES/MM)

V-4403.5-2.5-HR Data.doc Page 2 of 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]

- Optical Distortion

ASTIGMATIC

FIELD CURVES

ST

-0.10 -0.05 0.0 0.05 0.10

FOCUS (MILLIMETERS)

IMG HT

3.00

2.25

1.50

0.75

V-4402.5-2.5-HR

DISTORTION

IMG HT

3.00

2.25

1.50

0.75

-80 -40 0 40 80

% DISTORTION

ORA 21-Feb-06

V-4403.5-2.5-HR Data.doc Page 3 of 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]

ROTATIONALLY SYMMETRIC FIELD ABERRATIONS
POSITION 1 V-4402.5-2.5-HR

WAVELENGTH 656.3 NM

RELATIVE IMG HT X-FOCUS Y-FOCUS X-FOCUS Y-

DISTORTION

FIELD HEIGHT AT THE IMAGE SURFACE (DISPLACED BY 0.000000) (PER

CENT)

0.00 0.00 0.035531 0.035531 0.035531 0.035531 0.00000

0.10 0.30 0.034247 0.033294 0.034247 0.033294 -0.51336

0.20 0.60 0.030459 0.026704 0.030459 0.026704 -2.06149

0.30 0.90 0.024362 0.016104 0.024362 0.016104 -4.66908

0.40 1.20 0.016276 0.002058 0.016276 0.002058 -8.37948

0.50 1.50 0.006652 -0.014653 0.006652 -0.014653 -13.25857

0.60 1.80 -0.003940 -0.033005 -0.003940 -0.033005 -19.40197

0.70 2.10 -0.014802 -0.051629 -0.014802 -0.051629 -26.94883

0.80 2.40 -0.025112 -0.068447 -0.025112 -0.068447 -36.11051

0.90 2.70 -0.033913 -0.079535 -0.033913 -0.079535 -47.23825

1.00 3.00 -0.040146 -0.075552 -0.040146 -0.075552 -61.01145

Units of focus are MILLIMETERS

V-4403.5-2.5-HR Data.doc Page 4 of 4