DOMAILLE ENGINEERING DE8850 User guide

DE8

er Optic

Video

50 Seri

Inspecti

Microsc

r’s Guid

n Scope

1



Overview

ManufacturedbyDomailleEngineering,LLC,theDE8850SeriesVideo

Microscopesaredesignedforhighqualityvisualend‐faceinspectionoffiberoptic

connectorsinaresearchorproductionenvironment.Thisscopehasaunique

stagewithinvertedoptics,allowingtheoperatortoinspectconnectors,without

removingthemfromthepolishingfixturetherebyincreasingthroughputduring

inspection.



PrintingHistory

Edition2,December2019

©Copyright2019byDomailleEngineeringLLC



Parts&

Featur



 F

 L



Functions

s:

ighResol

ourPositi

ongWork

nextensi

recisionIl

,Y,0Stag

tionvide

nNosepi

ngDistan

erangeo

uminatio

foreasily

andCCD

ce

eOpticsf

inserts,r

andfocu

findingc

camera

rUPCan

ference

controls

nnectorsi

APCins

age14

nfixture

ection

2



3



InitialSetup

AfterunpackingtheDE8850seriesmicroscopeandaccessories,setupcanbequicklyachieved

throughafewsimpleconnections.

FirstsettheDE8850microscopebaseonasolidtabletopandfindthepoweradaptor(ME‐

12305)shippedwiththesystemThesetwoitems(includingtheLEDcontrollerintegratedinto

thebase)areconnectedtogethertopowerthemicroscopecameraandilluminationsystem.

Thepoweradaptorhasaninputvoltagerangeof90‐240VAC,50‐60Hz(forworldwideuse)and

outputof+12VDC.ItshouldbeaccompaniedbythecorrectinputACcordandalsohasa

permanentwiredoutputcordtoplugintotheLEDcontroller(ME‐12300.)Afterfindingthe

itemsconnecttheoutputcordofthepoweradaptortotheinputlabeled+12‐24VDContheLED

controller(ifnotalreadyconnected.)WhendonethenconnectthesuppliedACcordtothe

poweradaptorinputreceptacle.

Weprovidetwodifferentmonitortypes,inseveraldifferentsizes.Thesemonitorsarehigh

resolutionmonitorsspecificallychosentoprovidethebestsolutionforinspectingconnector

end‐faces.Wedonotrecommendanyofthelowerpricedsecuritytypemonitorsasthe

resolutionandimagequalityarenotsufficient.Acomputermayalsobeusedtocapture

images,contactDomailleEngineeringformoreinformationondigitalcameraoptionsorvideo

framegrabbers.



Operation

FocusingandFocusTensionAdjustments

TheFocusAdjustmentKnobontheDE8850seriesisconvenientlylocatedoneachsideofthe

base.Bothcourseandafineadjustmentareprovided.Atensionadjustmentisalsolocatedon

therightsideofthescope.

Clockwise=FocusestheStageOut

Counter‐clockwise=FocusestheStageIn



Lighting

Theillu

located

theima

ferrules.

Clockwis

Counter‐



Changin

EachDE

lensesa

change

inationcan

ntheME‐1

ewhenins

Adimmers

=Increases

lockwise=

Magnific

850model

emounted

agnificatio

becontroll

2300LEDc

ectingthe

itchbutto

Illumination

ecreasesIllu

tions

isequipped

oatypical

swhenins

dusingthe

ntroller.Th

arkfibercl

isalsopro

ination

withthree

icroscope

ectingcon



“On/OffLE

sallowsth

ddingand

idedtoswi

bjectivele

turretorno

ectors.Op

Intensity”

operatort

ighlyreflec

tchbetwee

ses:5x,10

sepieceall

ionalobjec



controlkn

controlth

ivemetalo

darkeran



,and20x.

wingtheo

ivelensesa

b(BlueKno

brightness

rceramic

lighterobj

heobjectiv

eratortoq

realsoavail

4

b)

of

cts



ickly

able

5



in3.3xand40x.



DeterminingActualMagnification

Thebestmethodtocalculatetheexact“total”magnificationusedontheDE8850seriesisto

measurethediameterofthefiber,claddingonthevideodisplay.Takethemeasurementin

millimetersanddividethatamountbytheactualsizeofthefibercladding,typically125micron.

Theresultisthe“total”opticalandvideomagnificationbeingused.



Forexample:takingasetofcalipers,wemeasuredthediameteroftheferruleviewedthrough

DE8850onamonitortobeapproximately53.49mm.



Actualsizeondisplay/claddingdiameterinmm=totalmagnification

53.49mm/.125mm=427.92X



Linear

Thestag

newcon

operato

Y‐axistr

provide

Changin

Allinser

toquickl

umpers

TheDE8

thestag

tageAdj

ontheDE

ectorsmo

tostoprot

velisprovi

tocentert

Inserts

s,exceptD

changein

withdiffere

3412posi

assembly.

stments

850hasth

ntedonth

tingprecis

edtoscan

eimageon

8134,simp

ertstoacc

nttypesof

ioninsertf

Useahexw

eeadjustm

polishingf

lyoverthe

ultiplefib

themonit

yliftupan

mmodated

onnectors.

rDomaille

renchtolo

nts.Thep

xture.Mos

nextconne

rstylecon

r.



outofthe

ifferenttyp



ndSeikoh

sentherel

lishingfixtu

insertsfea

tor.

ectorsand

tageasse

sofconne

iken510p

asescrewi

reinsertro

uredetent

anX‐axisad

bly.Thisen

torswheni

lishersisfi

thesides

atestovie

thatallow

justmentis

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eddirectly

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

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

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iveMain

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

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uipmentis

ectionprov

eisNOSER

pmentreq

orizeddeal

structions

sedinam

dedbythe

VICEABLEE

iringrepair

r.



houldonly

nnernots

quipment

UIPMENT

shouldbes

beperform

ecifiedbyt

aybeimp

nsidethe

ntbackto

dbyqualif

emanufac

ired.

E‐12300LE

hemanufa

edservice

urer,the

Controlle

tureroran

7



.All



Note:Th

theinstr

ageofth



General

Harshso

usedto

mostph

canbeu

theobje



Centerin

microsc

operato

DE8850seri

mentisrequ

equipment,

Cleaning

lventsaren

leanoldgr

to/camera

edwithas

tives.

theillumi

pe.Allscop

tore‐cente

oveimage

singa3/32

”

ount.

smicroscop

red.Depend

wewouldsu

trecomm

aseorgrim

supplystor

ftlenstiss

ation

ationofth

esaresetu

rtheillumi

ocenterof

”

hexwrenc

sarerelativ

nguponthe

gestat

eas

ndedonar

frommec

s)issafeto

e/clothto

DE8850is

fromthef

ation.

screen.

,loosenth

lylowmain

leanlinesso

sem

‐annua

egularbasis

anicalpart

useonthe

removeany

riticalinor

ctory,but

fourscre

enance.Bas

thegeneral

lserviceand

.Typicalsa

.TheKoda

opticsofou

soil,finger

ertomaxi

eriodiccle

soneither

ccareandp

workingare

maintenanc

edegrease

lensclean

rmicroscop

rints,etc.f

izeperfor

ningmayr

sideofthel

ecautionin

aswellast

.

solventsca

r(offereda

es.Lenscle

omthefro

anceofth

quirethe

ightsource

8

sing

e

nbe

t

ner

tof



9



3. Whileviewingafiberonthemonitor,slidethelightblockarounduntilthegreatest

amountoflightisoverthecladdingareaofthefiber.

4. Re‐tightenthetwoscrews.

Note:adjustthelightintensityupanddowntoconfirmthelightiscentered



Incorrect Illumination:

Notice how the light is towards the bottom of the screen.

Correct Illumination:

Notice how the light surrounds the cladding. Light scratches can now be easily detected.



CleaningtheDustCover

Dependingthetypeofproductionenvironment,thedustcoverwillneedperiodiccleaningto

removedust,debrisandpolishingmaterialfromtheopticalsystem.Sincetheilluminationand

opticalpathtravelsthoughthedustcoveritisessentialtokeepthissurfacecleaninorderto

ensuremaximumperformanceoftheDE8850.

1. Trytoblowlargeparticlesoffofthedustcoverusingcompressedair.

2. Usingalenscleanerandasoftlenscloth,inacircularmotion,carefullywipethesurface

ofthedustcoverstartingfromthecenterandworkingtowardstheedges.



Cleanin

Oils,dirt

maximu

lint‐free

storesw

environ



Cleaning

Useextr

ontheIR

Beforea

themon

slowlyr



Duetot

thecam



1. C

3. R

objectivel

andfinger

levelsof

issueandl

rksthebe

entinspec

theCCDCa

mecaution

ilterofthe

temptingt

torisactua

tatetheCC

eorientati

ra,thenit

arefullyuns

singclean,

echeckthe

nses

printsmay

erformanc

nscleaner.

t.Performt

ionisbeing

era

henattem

CDwillsho

cleantheI

lyontheca

camerao

noftheCC

ostlikelyi

crewtheca

ompressed

amerafor

educether

oftheDE8

Ordinaryle

hisprocedu

held.

tingtoclea

upinthefi

Rfilteront

mera.Whil

theMicro

D,ifthedir

ontheca

erafromt

air,blowa

irt.

solvingpo

50series,

scleaner,

reweeklyo



thecamera.

ldofviewo

eCCDcam

viewingth

cope.

remainsin

eraitself.

hecamera

rossthesu



eroftheo

ipethelen

vailableat

rasneeded

Anyscratch

themicrosc

ra,firstco

suspected

thesames

ount.

faceofthe

bjectivelen

oftheobj

ostphoto

depending

s,solvent,s

opes.

firmthatt

dirtonthe

otanddoe

Rfilter.

es.Toens

ctiveswith

raphysup

onthetyp

treaksordir

evisibledir

videomoni

notrotate

10

re

a

ly

of

left

on

or,

with

11



4. Ifthedirtisstillthere,useplastictweezers,softlensclothandlenscleanertocarefully

wipethesurfaceoftheIRfilter.Useawipingspiralpatternfromcenteroffilteroutto

edges,toremovedebris.

5. Re‐checkthecamerafordirt.

6. Repeatthisprocessuntilthecameraisclean.



BlowairacrossandnotdirectlyattheCCDsensorofthecamera.



12



TroubleshootingAdvice

ImageisnotclearTryadjustingthefocusmechanismtobring

theimageintofocus.

Increaseordecreasethelightintensityon

thefiberopticlightsource.

Adjustto5xobjectiveandverifyfiberisin

thefieldofview.

NoIlluminationChecktheset‐up,confirmthatall

connectionsaremadeandthateverythingis

poweredon.

Increasethelightintensityonthefiberoptic

lightsource.

Checkthefiberopticlightsource,replaceitif

necessary.

NoVideoImageChecktheset‐up,confirmthatall

connectionsaremadeandthateverythingis

poweredon.

Re‐setthelightintensitytoapproximately

1/3power,toomuchlightwillbleedoutthe

imageresultinginanall‐whitescreen.

Tryadjustingthefocusinandout.

ImageisnotcenteredUsetheZ‐axisstageadjustmentandthe

linearslideknobtobringthefibertothe

centerofthescreen.

FinetunetheadjustmentsontheZ‐axisusing

theknobsontopofeachbracket.

Spotsand/orlinesonthemonitorSlightlydecreasethecontrastcontrolonthe

monitorasthismayenhanceoptical

interferencewiththeCCDChip.

ChecktheCCDCameraofdirtanddebris.

Isolatethescopefromotherelectronic

devicesthatmaycausevideointerference.

LossofresolutionorimagecontrastChecktheobjectivelensesfordirt,scratches

orfilm.

Adjustthebrightnessandcontrastcontrols

onthemonitor.

Makesuretheimpedanceswitchontheback

ofthemonitorissetto75Ω.

ChecktheCCDcamerafordirtandfilm

MakesuretheshutterontheCCDissetto

theOFFposition.

ImagedriftsinandoutoffocusTightenthefocustensionknob.

Tightenthesideadjustmentscrewonthe

13



connectorbracket.

ImageisnotcenteredbetweenobjectivesCheckthateachobjectiveisscrewedontight.

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