Sunex DSL203 - Manual

www.sunex.com DSL203
Digital Imaging Optics
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Telephone: +001 760.602.0988
Order samples online at www.optics-online.com
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Wide Angle Security Lens
Description
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.
Key Features
•
Designed for multi-megapixel resolution sensors
•
Full field of view of up to 140
°
•
High brightness, F/2.6 aperture
•
All glass design provides environmental stability
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).
Applications
•
Security and surveillance
•
Automotive rear view cameras
Table 1. Optical Parameters
Sunex PN: DSL203
Description Wide Angle Lens
Design Imager Format 1/3”
Focal Length [mm] 2.8
F/# 2.6
Design Image Circle [mm] 5.7
Diagonal Field of View 140
°
Resolution See MTF chart
Distortion [ f- θ
] -18% from f- θ
Corner Chief Ray Angle [degrees] <16
°
Relative Illumination 92%
Mechanical See drawing below
Back Focal Length [mm] 4.9
Lens Barrel Thread M12x0.5
IR Cut-off Filter See below
Table 2. Horizontal FOV by sensor format and size
for sensor format 1/2.5" 1/3" 1/3.2" 1/4”
with horizontal width (mm) 5.6 4.8 4.5 3.6
the HFOV is 140
° 111° 102° 78°