10
4.3.2 A specially designed cold light source employing a 12V/150W halogen illuminator is
recommended as a light source. Such a light source allows users to bend and twist the arm in
any direction in order to achieve the best possible illumination. As well, with a cold light source,
no heat is transmitted to the specimen making it ideal for use in biological research and
anatomy.
4.3.3
A 3W LED ring light illuminator for Motic SMZ-161 stereomicroscopes also is available.
4.4 Eyepieces and Auxiliary Objectives
4.4.1
There are eyepieces of different magnifications to choose from including 10X, 15X and 20X.
Standard
configuration
is a pair of 10X eyepieces.
4.4.2
To change the eyepieces, unscrew the locking screw, remove the original eyepieces, replace
with the new pair of eyepieces and secure the eyepieces using the locking screw.
4.4.3 There are additional auxiliary objectives of different magnifications to choose from including
0.3X, 0.5X, 0.63X, 0.75X, 1.5X and 2X (Fig.3). Users are recommended to select additional
objectives according to working distance and magnification requirements. Please refer to the
appendix (l) for details.
(Fig.3)
4.4.4
To add an additional objective to the microscope, screw it onto the bottom part of the stereo-
head. The height of the microscope must be re-adjusted as the working distance will change
when an additional objective is attached.
