Operational - Nikon Epiphot 300 Manual

2. Operational

Symptoms
High magnification
objectives touch the
sample when
switched from low
magnification
objectives.
Parfocality
decreases when
switched to other
objectives.
Image movement
not smooth when
the sample is
moved.
Binocular images
not coincidnet .
Excessive eye
fatigue during
observation.
65
Causes
• Eyepiece diopter not correctly adjusted.
• Eyepiece diopter not correctly adjusted.
• Top of objective in contact with stage rin g.
• lnterpulillary distance not correctly adjusted.
• Diopter difference not correctly adjusted .
• Brightness not optimal.
Actions
Adjust eyepiece diopter
correctly. (P. 15)
Adjust eyepiece diopter
correctly. (P. 15)
Change sample and
stage position.
Adjust it correctly.
(P. 17)
Adjust it correctly.
(P. 15)
Use ND filters or change
lamp voltage.