Request InfoSiskiyou Corp.With 0.5 in. of lockable coarse travel and 0.030 in. of fine travel, Siskiyou’s 100TPI-0.5d differential adjustment screws have the longest fine travel available. Superior thread surfaces provide essentially zero backlash in critical applications. Available in hex drive, the cross-drilled fine travel actuator collar allows adjustment from above. For ultraprecision adjustment, dial Siskiyou!See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra December 2022 IssueAutomotive Lens TesterThe Thermal Module TM-1150 from Optikos Corp. tests lenses up to 150 mm for automotive applications. 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