Accu-Scope EXC-350 Series Manual page 21

IMAGE PROBLEMS
Problem
Image moves while focusing
Image tinged yellow
Image is too bright
Insufficient brightness
MECHANICAL PROBLEMS
Image will not focus with high
power objectives
High power objective contacts
slide when changed from low
power objective
®
ACCU-SCOPE
Specimen rises from stage
surface
Revolving nosepiece is not in
the click-stop position
Lamp intensity is too low
Blue filter not used
Lamp intensity is too high
Lamp intensity is too low
Aperture diaphragm closed too
far
Condenser position too low
Slide upside down
Cover glass is to thick
Slide upside down
Cover glass is to thick
Diopter adjustment is not set
properly
73 Mall Drive, Commack, NY 11725 • 631-864-1000 • www.accu-scope.com
EXC-350 MICROSCOPE SERIES
Cause
Secure the specimen in the
slide holder
Revolve the nosepiece to the
click-stop position
Adjust the light intensity by
rotating the intensity control
dial and/or iris diaphragm
Use daylight blue filter
Adjust the light intensity by
rotating the intensity control
dial and/or iris diaphragm
Adjust the light intensity by
rotating the intensity control
dial and/or iris diaphragm
Open to the proper setting
Position the condenser slightly
lower than the upper limit
Turn the slide over so the
cover glass faces up
Use a 0.17mm cover glass
Turn the slide over so the
cover glass faces up
Use a 0.17mm cover glass
Readjust the diopter settings
as outlined in section 4.3
Corrective Measures
20