Coarse focus fine focusing mount adjustment focus rack unit 50mm25mm

FR5025MM-CF Standard Size Focusing Holder´╝î white/black

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Description

Standard Size Focusing Holder – Will Fit Scope Heads with Diameter of 50mm
Industrial Monocular Microscope Camera Lens Circular Focusing Frame 50mm Fine Adjustment Knob Fine Adjustment Bracket

coarse and fine focus adjustment bracket (black)
Installation dimension (pole end): 25mm
Installation dimension (lens end): 50mm
Suitable for most brand microscope.
Focus System Coarse & Fine
The technical requirements and parameters of this product are for reference only.
1. coarse and fine adjustment bracket coarse coarse hand wheel rotation should be comfortable and stable, no jumping phenomenon. Coarse fine adjustment hand wheel should be used without obvious, empty back.
2. coarse coarse trimming bracket coarse coarse hand adjustment wheel movement per cycle is 0.16, handwheel lattice value is 0.002, fretting air return must not exceed 0.008.
3. the rotation of the handwheel should be able to make the coarse and fine adjustment of the rotation of the handwheel change.

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