Request InfoPrior Scientific Instruments Ltd.CAMBRIDGE, England, Feb. 5, 2016 — Prior Scientific Instruments Ltd. has announced the FB201 coaxial coarse- and fine-focusing block designed for OEM microscopy applications. Rack and pinion mounting allows the device to produce smooth, precise focusing over 29 mm of travel. A large coarse-focusing mechanism incorporates a slip clutch and tension adjustment. Fine-focus adjustment control is graduated in 2-µm divisions throughout the coarse-focus range. 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