
RefertotheMicroscopeUnitsleaet(E4191)
formoredetails.
Eyepieces
SERIES 378
FEATURES
•Theeldofviewisextrawide.
•Optionalreticlesareavailable.
Objectives
SERIES 378
TheMitutoyo378Seriesobjectiveshavethe
world'slongestworkingdistanceandan
innitycorrectionopticalsystem.Theseob-
jectivesprovideexibleobservationathigh
magnicationsandindependentcorrection
ofchromaticaberration.
FEATURES
•Thelongworkingdistancetypeobjectives
provideexcellentclearancebetweenthe
lenssurfaceandtheworkpiecesurface
infocus,makingitpossibletoobserve
workpieceswhichareusuallyhard-to-focus
becauseofawkwardprojections.
378-858378-857378-856
M Plan Apo and M Plan Apo SL
objectives for bright field observation
BD Plan Apo and BD Plan Apo SL
objectives for bright/dark field observation
Near-infrared radiation corrected M Plan Apo NIR
objectives
Near-ultraviolet radiation corrected M Plan Apo
NUV objectives
Ultraviolet radiation corrected M Plan UV objectives
Reticles (optional)
516848: Cross-hair
516576: Brokencrosshair(90ºand60º)
516578: Concentriccircle
(Diametricincrement:1.2mm)
516577: 20mmscale
(Minimumreading:0.1mm)withcrosshair
516849: 10mmscale(Minimumreading:0.1mm)
516850: 5mmscale(Minimumreading:0.05mm)
516851: 10x10mmsection
(Minimumsection:1x1mm)
SPECIFICATIONS
Order No.
(2pcs.set)
Magni-
cation
Field
number
Mass Individual
orderNo.
378-856 10X 24 85g 378-856-5
378-857 15X 16 40g 378-857-5
378-858 20X 12 55g 378-858-8
RefertotheMicroscopeUnitsleaet(E4191)
formoredetails.
•Themetallurgicalplanapochromatic
(MPlanApo)objectiveisanexcellent
opticalsystem.Thisobjectiveprovides
aat,chromaticaberration-freeimage
throughouttheeldofview,makingitis
suitableforanytypeofmicroscope.
•Speciallydesignedobjectivesarealso
availablewithcorrectionfornear-infrared
radiation,near-ultravioletradiation,and
ultravioletradiation,orvariousthicknesses
ofLCDscreenglasses.
•Themountingscrewthreadsofobjectives
aredesignedtoconformtoJISB-7141-
1988.
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