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Vixen ES2617 Optics 3.1"/80mm Refractor Telescope Optical Tube

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User Manual

This is the main product document for model ES2617. Additionally, the document applies to other Vixen models: ED80SF, ED100SF

The file format is pdf, 5 pages, you can download this manual here .

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VIXEN
ED80Sf ED100Sf
Vixen Optics a Division of MrStarGuy, Inc. www.vixenoptics.com
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PREFACE
ThankyouverymuchforyourpurchaseofaVixenastronomicaltelescope
ThismanualappliestotheED80SfandED100Sftelescopes.Youmayoccasionallyfinddescriptionsin
thetextnotrelevanttoyourparticularmodel.Readtheinstructionsforyourmountalongwiththis
manualifyoupurchasedthetelescopeasacompletepackage.
WARNING!
Neverlookdirectlyatthesunwiththetelescopeoritsfinderorguidescope.
Permanentandirreversibleeyedamagemayresult.
CAUTION
Donotleavetheopticaltubeuncappedinthedaytime.Sunlightpassingthroughthe
telescopeorfinderscopemaycauseafire.
Donotusetheproductwhilemovingorwalking,injuriescouldresultfromacollision
withobjectsorfromstumblingorfalling.
Keepsmallcaps,plasticbags,orplasticpackingmaterialsawayfromchildren.These
maycauseadangerofswallowingorsuffocation.
Donotusetheproductinawetenvironmentanddonothandlewithwethands.
HANDLING AND STORAGE
Donotleavetheproductinsideacarinbrightsunshineorinotherhotplaces.Keep
anystrongheatsourcesawayfromtheproduct.
Whencleaning,donotusesolventssuchaspaintthinnerorsimilarproducts.
Donotexposetheproducttorain,water,dirtorsand.
Avoidtouchinganylensormirrorsurfacesdirectlywithyourhands.Incasealensor
mirrorbecomesdirtywithfingerprints orgeneralsmears,gentlywipeitusinga
commerciallyavailablelenscleanerandalenscleani ngpaperorcloth,orconsultyour
localVixendealer.
Blowoffdustonlensesusingacommerciallyavailableblowerbrush.Donotuse
compressedair.
Forstorage,keeptheproductinadryplaceanddonotexposetodirectsunlight.
SETTING UP THE TELESCOPE-Refertoyourmountinstructionsalongwiththismanual.
ATTACHING THE TELESCOPE TO THE MOUNT(GP2mountandA80Mfopticaltube
shownhere)
Loosenboththedovetail‐platelockscrewand
safetyscrewuntilthetipsofthesescrewsno
longerextendedintotheinnerpartofthedovetail
block.
Slidethedovetailmountedscopeintothedovetail
mountingblockasshowninthefigure.Tightenthe
dovetaillockscrew(centeredonthenotch)onto
thedovetailtubeplateuntilsnug.
Firsttightenthedovetaillockscrew,andthentightenthesmallchromesafetyscrewontothedovetailmountingblockuntil
snug.
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ATTACHING THE FINDER SCOPE
(1)Back out the adjustment screw on
the finder bracket to allow passage of
the finder scope. (Make sure the
adjustment screws do not fall off the
bracket.)
(2)SidetherubberO‐ringontotheeyepieceend
ofthefinder.Therearetwogroovesonthefinder
tube.PositiontheO‐ringonthenarrowgrooveat
themiddleofthefindertube.
(3)Pullupthefixedstudon
the bracket ring and pull it
so that the finder tube
slides into the bracket ring
fromitseyepieceend.
Releasethefixedstudso
thewidegrooveonthe
findertubeisunderneath
thestud.
(4)Tightenthetwoadjustmentscrewssothat
the
finderscopeis
alignedasshown
inthefigure.
Loosenthefinderbracketlockthumbscrewonthe
telescope.
Attachthefinderbracketasshowninthe
figure,tightenthefinderbracketlock
thumbscrewsecurely.
ALIGNING THE FINDER SCOPE – Besuretoalignthefinderscopebeforeyoubegin
observing.
(1) Chooseaconspicuoustargetinthedistanceandplacethetargetin
thecenterofthefieldofviewofthetelescope.(Intheillustration,a
distanttower isbrought intothe centerofthe fieldof viewofthe
telescope.)
(2) Next,lookthroughthefinderscope.Youshouldprobablyfindthe
same target somewhere within the finder’s field of view.(The
finderscopehascrosshairs.)
(3) Aligntheopticalaxis(fieldofview)ofthefinderscopewiththe
opticalaxis(fieldofview)ofthetelescope.Adjustthefinderscope
bylooseningortighteningtheadjustmentscrewsAandB(InFigure
#4Above)untilthetargetisinthesameposition,inthecenterof
thecrosshairs.(Intheillustration,thetopofthetowerisinthe
centerofthecrosshairs.)
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ACCESSORY CHART –Youmayneedaneyepieceassoldseparately.
VisualConfiguration
Example:Calculatingtheeyepiecemagnificationofatelescopewith1035mmfocallength.
EyepieceFocallengthoftelescopeFocallengthofeyepieceMagnification
PL20mm600mm20mm30x
PL5mm600 mm5mm 120x
PHOTOGRAPHIC CONFIGURATION
PhotographicConfiguration PrimeFocusPhotography
EyepieceProjectionPhotography
AfocalImagingPhotography
PleasecheckifyourcamerahasafilterthreadwhichcanfitourDG‐DXring.
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SPECIFICATIONS
Specifications ED80S
f
ED100S
f
Item# 3228 3229
OpticalDesign EDAchromaticRefractor
EffectiveAperture 80mm 100mm
FocalLength 600mm(f/7.5) 900mm(f/9.0)
ResolvingPower 1.45arc.;11.3 1.16 arcsec;11.8
LightGatheringPower 131x 204x
TubeDiameter,Length&Weight 100mmx570mm;3.4 kg 100mmx880mm;3.7kg
Finderscope 9x50mm 9x50mm
Threads 60mm,42mmthreadedforT‐ring/50.8mm,31.7mmpush‐fit forT
ring/31.7mmpush‐fit
Accessories FlipMirror,AluminumCarryCase,MountRings,DovetailPlate
Photography
TotalWeight 8.9kg19.6lbstotalweight 11.5 kg 25.3lbstotalw/case
7.5lbsopticaltube 8.2lbsopticaltube
ABOUT THE CRAYFORD FOCUSER
BoththeED80SfandED100SftelescopeshavetheCrayfordfocuserwhichusesfrictionforthefocusing
mechanism.Followtheseinstructionsforitsuse.
Tightenthetensionadjustmentscrewifthedrawtubeisloose.
Evenwiththetensionknobfullytightened,itispossible,thoughnotrecommended,torotatethe
focusknobs.
Neverapplylubricanttothefocuser.
MrStarGuy, Inc. 1010 Calle Cordillera, San Clemente, CA 92673
www.vixenoptics.com
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Specifications

Indexed Terms: Telescope

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