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Smooth coaxial focusing is achieved by the wear-resistant ball-bearing mechanism that virtually eliminates backlash and unwanted lateral shift of the specimen during focusing. One full revolution of the large knurled knobs corresponds to 6.3mm (coarse) and 0.25mm (fine) of the stages vertical movement. The coarse focus has a travel range of 33mm and the fine 2.5mm. The graduated micrometer knob allows vertical measurements accurate to 0.002 mm. | |
Application:
Home -> Products -> Microscopes -> POLAM-L -> Focusing Knob
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