1 the pupil distance of binocular head does not match that of the operator, so the pupil distance of binocular head needs to be adjusted;2. The eyepiece's visual degree is not adjusted correctly, and the eyepiece's visual degree needs to be adjusted;
1. When the sample is placed in an inclined position, the sample should be put flat;2. The objective lens is not tightened, so the sample table should be adjusted to tighten the objective lens horizontally
1. Dirty eyepiece lens, dirty tube lens, clean the dirty area of eyepiece lens, objective lens and tube lens;2. If the aperture light bar is too large or too small, adjust the aperture light bar;3. Do not adjust the focus, adjust the focusing handwheel;4. Cover the sample with media such as cover glass, and remove the media such as cover glass.
1. the converter is not in the positioning position, need to turn the converter to the positioning position 2. the mirror dial is not in the positioning position, need to turn the mirror dial to the positioning position 3. The brightness of the lighting is insufficient, adjust the brightness of the light source or increase the aperture of the light bar 4. There may be no eyepiece installed, need to install the eyepiece.
1. non-vertical microscope 2. sample sets not horizontal 3. sample uneven solution :1 adjust the vertical microscope 2 adjust the horizontal sample set 3 adjust the sample to the horizontal