The present application relates to a kind of ultra-small low-cost car cabin wide-angle monitoring optical systems, the
system includes six pieces of lens, diaphragm, filter, protective glass and image surface, wherein lens is made of 2G+4P structure, reduce production cost, improve product
performance ratio, while using low dispersion lens material, optimize purple edge effect, also have thermal
compensation effect,
working temperature can be from-40 DEG C to 105 DEG C, adapt to complex temperature scene.The
system can meet the requirement of 5 million pixel back-illuminated
chip OX05B1S, can simultaneously consider visible light and
near infrared light, realize day and night high-definition monitoring, and
field of view angle can reach 160 degrees, the range that can be shot is larger.The total length of the
system is 12mm, the minimum front end
diameter is 8.5mm, realize the demand of cabin
miniaturization,
horizontal angle can reach 140 degrees, can simultaneously compatible driver fatigue driving monitoring and rear passenger monitoring, cover traditional DMS and in-vehicle monitoring application, save the manufacturing cost of automobile camera.