Installing C-Mount Camera / Maintenance - National 167 Series Instructions For

Compound biological microscopes
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INSTALLING C-MOUNT CAMERA (to trinocular model only)
Trinocular model #169 is equipped with a port on top of head. Using the included C-Mount adapter and the
three-position sliding rod (c) allows use to easily direct microscope image into desired path.
1) Rod pushed completely into head; 100% of microscope image is directed to binocular eyepieces.
2) Rod at mid-position (pull or push rod until you feel a gentle click stop); 100% of microscope images is directed
to trinocular port.
3) Rod pulled to fully extended position; 30% of image is directed to binocular eyepieces, 70% directed to
trinocular port.
4) Remove front cap from the D-Moticam c-mount camera. Thread front of
camera onto threads of video adaptor (b).
Locate knurled screw located on side of trinocular port on microscope.
Turn screw counter-clockwise to permit removal of black plastic disk
covering trinocular port.
Insert video adaptor tube into trinocular port. If adaptor does not insert
easily, further loosen knurled screw at side of port until adaptor tube drops
into port and is firmly seated. Retighten knurled screw to secure adaptor
and camera in place. Pull sliding rod (c) until half way extended, to direct
100% microscope image to trinocular port. Proceed with operation of
digital camera and computer/monitor according to manufacturer's
directions. With the live image on the monitor, slowly rotate the knurled
diopter on "C" adapter until image is in focus on monitor. If microscope
image does not remain in focus when microscope magnification is
changed, recheck digital c-mount camera chip size. Perhaps it will be
necessary to either replace or remove the top "CS" adaptor ring in order for
the video adaptor to be compatible with the chip size of your digital c-mount
camera.
MAINTENANCE
WARNING: FOR YOUR SAFETY, TURN SWITCH OFF AND REMOVE PLUG FROM POWER SOURCE
OUTLET BEFORE MAINTAINING YOUR MICROSCOPE. TO AVOID SHOCK OR FIRE HAZARD, IF
POWER CORD IS WORN, CUT OR DAMAGED IN ANY WAY, HAVE IT REPLACED AT ONCE.
A.
OPTICAL MAINTENANCE
1.
Do not attempt to disassemble any lens component. Consult an expert technical service company when
repairs not covered by these instructions are required.
2.
Prior to cleaning any lens surface, brush dust or dirt off lens surfaces using a camel hair brush. Or use
air to blow dust and lint off surfaces. Use of compressed air in a can, available at any computer supply
store, is a good source of clean air.
3.
Cleaning eyepiece lenses. Do not remove eyepiece from eyepiece tube. Clean only the outer surface.
Breathe on lens to dampen surface, then wipe with lens paper. Do not wipe lens surface while dry as
lenses are scratched very easily. Wipe a circular motion from center to outer edges.
4.
Cleaning objective lenses. Do not remove objective lenses from microscope. Clean front lens element
only. Using a cotton swab saturated with distilled water, clean front lens surface. Inspect the lens using
a magnifying glass to insure that the element is clean. If immersion oil or specimen material of any kind
is evident, use a cotton swab dipped in a small amount of Windex to clean all foreign material from
objective lens surface. Such material will reduce, or totally block, image quality.
5.
Cleaning condenser lens. Clean only the top lens surface, visible when looking through hole in top of
stage. Use same procedure as used for eyepiece or objective lenses.
6.
Illuminator condenser lens. Use same procedure as used for eyepiece or objective lenses.
7
(a)
(b)
(c)

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This manual is also suitable for:

168 seriesDc20-169 series169-btw1 series169 series

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