6.Filters and Lenses
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 29
f = sensor size (horizontal or vertical) * Working distance / Field of View (corresponding to the horizontal
or vertical direction of the sensor size)
The corresponding lens is selected by the calculated focal length.
6.2.1. HN-2M Series
The HN-2M series lenses are 2 megapixels lenses for industrial, suitable for sensors with max. image
circle of 1/2" ~ 2/3". This series of lenses has the following features:
High optical performance with optical design supporting up to 2/3" sensor size, 6.2μm pixel size (up
to 2 megapixels) sensor. 8 models with F values below 2.8,
clear images can be obtained even in
low light environment
Excellent anti-shock and anti-vibration performance, with a unique mechanical structure, the optical
axis fluctuates below 10µm
The housing is small and compact, the minimum
outer diameter is only φ29.5mm, and it can be
installed in various limited spaces
Easy to install, there are 3 fixing holes on the lens barrel for fixing the iris and focusing. The best fixing
hole can be selected according to the installation environment
Models:
HN-0612-2M-C1/2X
HN-0914-2M-C2/3X
HN-12.514-2M-C2/3X
HN-1614-2M-C2/3X
HN-2514-2M-C2/3X
HN-3516-2M-C2/3X
HN-5023-2M-C2/3X
HN-7528-2M-C2/3X
6.2.2. HN-5M Series
The HN-5M series lenses are 5 megapixels lenses for industrial, suitable for sensors with max. image
circle of 2/3" ~ 1.1".This series of lenses has the following features:
5 megapixels resolution, the definition is consistent from the center to the periphery, greatly improving
the distance between iris and photography
The housing is small and compact, the minimum
outer diameter is only φ29.5mm, and it can be
installed in various limited spaces
