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

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

656.3000 NM

587.6000 NM

486.1000 NM

LONGITUDINAL

SPHERICAL ABER.

1.00

0.75

0.50

0.25

-0.050 -0.025 0.0 0.025 0.050

FOCUS (MILLIMETERS)

-0.050 -0.025 0.0 0.025 0.050

ASTIGMATIC

FIELD CURVES

S T

FOCUS (MILLIMETERS)

IMG HT

3.00

2.25

1.50

0.75

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

DISTORTION

IMG HT

3.00

2.25

1.50

0.75

-100 -50 0 50 100

% DISTORTION

ORA 07-Sep-06

V-4402.1-2.5-HR Data.doc Page 3of 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 f=2.1mm F/2.5 1/3" Wide-angleLens

WAVELENGTH 587.6 NM

RELATIVE IMG HT X-FOCUS Y-FOCUS X-FOCUS Y-FOCUS DISTORTION
FIELD HEIGHT AT THE IMAGE SURFACE (DISPLACED BY 0.000000) (PER CENT)

0.00 0.00 0.017339 0.017339 0.017339 0.017339 0.00000

0.10 0.30 0.016471 0.015499 0.016471 0.015499 -0.68951

0.20 0.60 0.013914 0.010129 0.013914 0.010129 -2.77130

0.30 0.90 0.009813 0.001682 0.009813 0.001682 -6.28638

0.40 1.20 0.004411 -0.009051 0.004411 -0.009051 -11.30729

0.50 1.50 -0.001947 -0.020878 -0.001947 -0.020878 -17.94554

0.60 1.80 -0.008806 -0.032087 -0.008806 -0.032087 -26.36474

0.70 2.10 -0.015586 -0.040221 -0.015586 -0.040221 -36.80410

0.80 2.40 -0.021575 -0.041692 -0.021575 -0.041692 -49.62233

0.90 2.70 -0.025958 -0.031058 -0.025958 -0.031058 -65.38708

1.00 3.00 -0.028089 0.000250 -0.028089 0.000250 -85.08078

Units of focus are MILLIMETERS

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