DSL203
Digital Imaging Optics
Wide Angle Security Lens
Table 1. Optical Parameters
Description
Sunex PN: DSL203
Description
Wide Angle Lens
The DSL203 lens is a miniature, wide-angle lens
optimized for security and automotive applications. Great
resolution and an all-glass design means stable, high-
quality imaging for a variety of indoor and outdoor
applications.
Design Imager Format
Focal Length [mm]
F/#
1/3”
2.8
2.6
5.7
Design Image Circle [mm]
Diagonal Field of View
Resolution
140°
See MTF chart
Key Features
Distortion [f-θ]
-18% from f-θ
<16°
·
·
·
·
Designed for multi-megapixel resolution sensors
Full field of view of up to 140°
High brightness, F/2.6 aperture
Corner Chief Ray Angle [degrees]
Relative Illumination
92%
Mechanical
See drawing below
4.9
All glass design provides environmental stability
Back Focal Length [mm]
Lens Barrel Thread
IR Cut-off Filter
Distortion: f-θ type for easy de-warping (image height is
proportional to the input angle h=f*θ where f is the focal length).
M12x0.5
See below
Applications
Table 2. Horizontal FOV by sensor format and size
·
·
Security and surveillance
Automotive rear view cameras
for sensor format
with horizontal width (mm)
the HFOV is
1/2.5" 1/3" 1/3.2" 1/4”
5.6 4.8 4.5 3.6
140° 111° 102° 78°
SUBJECT TO CHANGE WITHOUT NOTICE
Sunex Inc.
Telephone: +001 760.602.0988
Order samples online at www.optics-online.com
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DSL203
Digital Imaging Optics
Optical Design Report
SUBJECT TO CHANGE WITHOUT NOTICE
Sunex Inc.
Telephone: +001 760.602.0988
Order samples online at www.optics-online.com
- 3 -
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