>> P.281
UltravioletRadiationRangeObjectivesforBright-FieldObservationMPlanUVUltravioletRadiationRangeObjectivesforBright-FieldObservation(WithCover-GlassThicknessCompensation)LCDPlanUVVMUFS70>Bright-fieldobservation/Ultravioletobservation/Lasermachining>Wavelengthcompensation266nmand550nm>Infinitycorrected>Longworkingdistance>Plan>Designenablesobservationthrougha3.5mmcoverglass(material:sio2)(LCDPlanUV)Note:Mitutoyoisreadytodesignandmanufactureaspecificsheetofglassaccordingtoaspecifiedglassthickness,materialorrefractiveindex,pleasecontactyourlocalMitutoyosalesoffice.SpecificationsModelCodeNo.N.A.W.D.(mm)(mm)ff266f550R(μm)(λ=550nm)±DOF(μm)RealFOV(mm)ø24Eyepiece2/3InchCameraMass(g)MPlanUVMPlanUV10×MPlanUV20×MPlanUV50×MPlanUV80×LCDPlanUVLCDPlanUV20×(t0.7)LCDPlanUV50×(t0.7)378-844-15378-837-8378-838-8378-839-5378-892-8378-893-80.250.370.410.550.370.4120.015.012.010.014.9812.38201042.510420.310.44.22.910.44.21.10.70.70.50.70.74.42.01.60.92.01.62.41.20.480.31.20.480.66×0.880.33×0.440.13×0.180.08×0.110.33×0.440.13×0.18350390400430400400•WhenprojectingamaskimageonaspecimenbyusingaYAGimagewillbescaledbythefactorf/200times(f=200mm,Mitutoyotubelens).Sincethefocallength(f)inultravioletradiation(λ=266nm)isslightlysmallerthanthatinvisibleradiation(λ=550nm)asabove,theworkingareainultravioletradiationalsobecomesslightlysmallerthanthemaskimageinvisibleradiation.lasersystemmountedonaMitutoyomicroscopeunit,themask•Everyresolutionandsingleobjective'sdepthoffocusintheabovetableisavaluedeterminedonthebasisofareferencewavelength(λ=0.55μm).7-24
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