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North Americaprofessionalhandheld controllermonopolyTrustworthy service

作者: Deruite Industry 发布时间: 2019-09-11 03:09:46

North Americaprofessionalhandheld controllermonopolyTrustworthy serviceitwillmakeyourequipmentefficiencyisgreatlyreduced,sceneryphotographyinpursuitofthedepthoffield,apertureoftenneedtof/11evensmaller,sothatwhenthelightisabitpoor,especiallyforlandscapephotographycommonlyusedinthetelephotolenses,withoutatripod,isbeingdisqualifiedfromthecontest. Eveninthesunnylightconditions,alsonotusealensfocallengthofreciprocalvalueabovetheshuttertime,canguaranteethesharpnessofthehandheldphotography.

onceyourmeasurements,theinsideofthetapespringautomaticallycontraction,rodundertheactionofspringforce,alsofollowcontract,sothetapewillberolledup. Characteristicsofthe A,tapemeasuredistortionistoolargewillnotfail.Whydidn'tthefailure;Thewoundinthetapeisverylong,it'scompletelyrelaxedtocompletelytightenrangeisverylarge,tapeofthewholetrip,

Theodolitejingping:rotatingscrewfeet,makethetubelevelbubbleinthemiddle. 4,electronictheodoliteaimandreading: (1)theeyepiecelight:eyepiecelenstomakethecrosshairisclear. (2)theaimandobjective:lightcrudeatgoal,thefocusoftheobjectivemakecleargoals.Payattentiontoeliminatetheparallax.Aimingattarget.

Ifmeasuringdistanceisnotlong,muchusedinindoor,precisiondemandishigh,canchooseandbuythehand-heldlaserrangefinder,hand-heldlaserrangefinderismostsuitableforuseinindoor,measuringaccuracyandeffectisverygood! Distancemeasurement,usedforoutdooruse,suggesttochoose"telescopetypelaserrangefinder",isbothatelescope,isarangefinder!Observationofmanytimesmagnification,

theprecisionofthemeasuringinstrumentcanbeaguaranteemeasureefficiencywillbehigher,comparedwiththecontactmeasurement,noncontactmeasurementwillhavedeformationduetotouchorscratched,protectionfortheworkpiecewillbebetter. Inadditiontotheabovementionedmethod,andrangeaccuracyandprecisionofmeasurement,suchasthetwomeasuringmethodsgenerallyusedsuchasmeasurementaccuracy,