www.sunex.com DSL203
DigitalImagingOptics
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Telephone:+001 760.602.0988
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Wide Angle Security Lens
Description
The DSL203 lens is a miniature, wide-anglelens
optimized forsecurity andautomotive applications.Great
resolution and an all-glass design means stable, high-
quality imaging fora variety of indoorand outdoor
applications.
KeyFeatures
•Designed formulti-megapixelresolution sensors
•Full field of view of up to 140°
•High brightness, F/2.6 aperture
•All glass design provides environmentalstability
Distortion: f- type foreasy de-warping (image height is
proportional tothe input angle h=f* wherefisthefocallength).
Applications
•Securityand surveillance
•Automotive rearviewcameras
Table1. OpticalParameters
Sunex PN:DSL203
Description WideAngleLens
Design Imager Format 1/3”
FocalLength [mm] 2.8
F/# 2.6
DesignImageCircle[mm] 5.7
DiagonalFieldofView 140°
Resolution See MTF chart
Distortion [f- ]-18% from f-
Corner ChiefRay Angle[degrees] <16°
Relative Illumination 92%
Mechanical See drawing below
Back FocalLength [mm] 4.9
LensBarrelThread M12x0.5
IRCut-offFilter See below
Table2. Horizontal FOV bysensorformatandsize
forsensorformat 1/2.5"
