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Thermal filters
CR = Cold Red
In this filter, heat sources are black, the coldest areas of the image are shown in
red. This tactical filter is preferably used at night to reduce glare.
BCR = Boost Cold Red
The boost variant of the CR filter optimizes the brightness dynamics. This means
that even less warm objects are displayed better. This facilitates orientation, e.g. in
interiors where often all objects have the same temperature. It is often also more
suitable in humid weather. In boost mode, sharpness is also optimized. In sunshi-
ne, this filter may also be unsuitable.
RH = Red Hot
This filter is similar to the White Hot filter. Instead of white, red is used as the brigh-
test color. It is a tactical filter for use at night.
BRH = Boost Red Hot
The boost variant of the RH filter optimizes the brightness dynamics. This means
that even less warm objects are displayed better. This facilitates orientation, e.g. in
interiors where often all objects have the same temperature. It is often also more
suitable in humid weather. In boost mode, sharpness is also optimized. In sunshi-
ne, this filter may also be unsuitable.
CG = Cold Green
Comparable to the Cold Red filter, except that the brightest color used here is
green. With this filter e.g. stray light reflected by the eye is far less perceptible by
image intensifiers. So it is also a tactical filter. However, the nocturnal glare effect
for the user is very pronounced, as the color green is also perceived by the rods
as one of the brightest colors.
BCG = Boost Cold Green
The boost variant of the CG filter optimizes the brightness dynamics. This means
that even less warm objects are displayed better. This facilitates orientation, e.g. in
interiors where often all objects have the same temperature. It is often also more
suitable in humid weather. In boost mode, sharpness is also optimized. In sunshi-
ne, this filter may also be unsuitable.
WH = White Hot
In this classic black-and-white filter, which is preferred tactically, the strongest heat
sources are shown most brightly. Thus, humans and animals can be easily identi-
fied under normal circumstances. Compared to even brighter heat sources (e. g.
fire), they can also recede into the background.
BWH = Boost White Hot
The boost variant of the WH filter optimizes the brightness dynamics. This means
that even less warm objects are displayed better. This facilitates orientation, e.g. in
interiors where often all objects have the same temperature. It is often also more
suitable in humid weather. In boost mode, sharpness is also optimized. In sunshi-
ne, this filter may also be unsuitable..
