Optika B-380 Serie Manual De Instrucciones página 26

IV. Observation tube
Field of view of one eye does not
match that of the other.
V. Microphotography
Image edge is unfocused
Bright spots appear on the image
Interpupillary distance is incorrect.
Incorrect diopter adjustment.
Your view is not accustomed to micro-
scope observation.
To a certain extent it is due to achro-
matic objectives features
Stray light entering in the microscope
through eyepieces or camera viewfin-
der
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Adjust interpupillary distance.
Adjust diopter.
Upon looking into eyepieces, try look-
ing at overall field before concentrat-
ing on specimen range. You may also
find it helpful to look up and into
distance for a moment before looking
back into microscope.
To minimize the problem, set the aper-
ture diaphragm in a proper position
Cover eyepieces and viewfinder with
a dark cloth