GB
37
The MC 1500 can control up to two illumination units (units A and B), including,
e.g. the light intensity settings, a selection of five segment modes for each unit
and also rotating or pulsating illumination.
In this way, the illumination system makes it possible to combine the light from
two different LED illuminations on one single microscope (e.g. “incident light
brightfield with incident light darkfield” or “incident light with transmitted
light”). For example, a quarter circle illumination of an incident brightfield
ringlight can be mixed with also a segmented or a full circle illumination of a
transmitted light stage.
Through its synchronized control of the connected VisiLED illuminations
the MC 1500 ensures that the characteristics of the set mixed light remain
constant whether operating in rotation, strobe, trigger or flash mode:
•
Rotation mode increases the impression of three dimensionality with
structured specimens, also when viewed with a monitor.
•
Strobe mode serves to produce “frozen images” of cyclically moving
specimens, e.g. rotating fans.
•
In trigger mode light pulses can be released using external control signals
(trigger signals). In this way, e.g. the VisiLED illumination is only activated
by an external Machine Vision system if an image of the specimen is meant
to be recorded.
•
In flash mode the set mixed light can be momentarily enhanced by an
intensive single pulse so that the exposure times of connected photo
equipment can be reduced – the mixed light “flashes”.
The MC 1500 LED controller possesses memory stations for saving the
set mixed light and so makes it possible to switch between several mixed
light conditions.
Every stored setting can be called up again quickly and reproducibly using the
memory keys or the foot switch. The assignment of memory positions in the
MC 1500 remains available – even after switching the controller off and on or
after cutting the unit off from the power supply!
The MC 1500 also has an interface for connection to a computer. In this way
commands for adjusting the LED illuminations can be transmitted from the
computer to the control unit. By storing the setting files in the PC many user-
defined configurations for mixed light can be permanently archived and when
required downloaded to the MC 1500.
Important properties of the
VisiLED system with MC 1500
controller
Содержание VisiLED MC 1000
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