6.Filters and Lenses
© 2023 China Daheng Group, Inc. Beijing Image Vision Technology Branch 41
by the following formula
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 Prime Lenses
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
φ
29.5mm, 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 Prime Lenses
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
φ
29.5mm, and it can be
installed in various limited spaces
