Vixen 2603 User manual



VIXEN

A70Lf, A80Mf, R130Sf

Vixen Optics a Division of MrStarGuy, Inc. www.vixenoptics.com

MrStarGuy, Inc.

PREFACE

ThankyouverymuchforyourpurchaseofaVixenastronomicaltelescope

 ThismanualappliestotheA70Lf,A80MfandR130Sftelescopes.Youmay

occasionallyfinddescriptionsinthetextnotrelevanttoyourparticularmodel.

 Readtheinstructionsforyourmountalongwiththismanualifyoupurchasedthe

telescopeasacompletepackage.



WARNING!

Neverlookdirectlyatthesunwiththetelescopeoritsfinderorguidescope.

Permanentandirreversibleeyedamagemayresult.



CAUTION

Donotleavetheopticaltubeuncappedinthedaytime.Sunlightpassingthroughthe

telescopeorfinderscopemaycauseafire.

 Donotusetheproductwhilemovingorwalking,injuriescouldresultfromacollision

withobjectsorfromstumblingorfalling.

 Keepsmallcaps,plasticbags,orplasticpackingmaterials awayfromchildren.These

maycauseadangerofswallowingorsuffocation.

 Donotusetheproductinawetenvironmentanddonothandlewithwethands.



HANDLING AND STORAGE



 Donotleavetheproductinsideacarinbrightsunshineorinotherhotplaces.Keep

anystrongheatsourcesawayfromtheproduct.

 Whencleaning,donotusesolventssuchaspaintthinnerorsimilarproducts.

 Donotexposetheproducttorain,water,dirtorsand.

 Avoidtouchinganylensormirrorsurfacesdirectlywithyourhands.Incasealensor

mirrorbecomesdirtywithfingerprints orgeneralsmears,gentlywipeitusinga

commerciallyavailablelenscleanerandalenscleaningpaperorcloth,orconsult

yourlocalVixendealer.

 Blowoffdustonlensesusingacommerciallyavailable blowerbrush.Donotuse

compressedair.

 Forstorage,keeptheproductinadrypl aceanddonotexposetodirectsunlight.



SETTING UP THE TELESCOPE- Refertoyourmountinstructionsalongwiththismanual.

AttachingthetelescopetubetotheMount(GP2mountandA80Mfopticaltubeshownhere)

Loosenboththedovetail‐

platelockscrewand

safetyscrewuntilthetips

ofthesescrewsnolonger

extendedintotheinner

partofthedovetailblock.





Slidethedovetail

mountedscopeintothe

dovetailmountingblock

asshowninthefigure.

Tightenthedovetaillock

screw(centeredonthe

notch)ontothedovetail

tubeplateuntilsnug.



Firsttightenthedovetaillockscrew,andthentightenthesmallchromesafetyscrewontothedovetailmountingblockuntil

snug.



MrStarGuy, Inc.

ATTA

1. Loose

chro

brack

screw

telesc



ATTA

Backoutt

adjustme

thefinder

allowpass

findersco

surethea

screwsdo

thebrack

OnePind

screwin/

models.

Pullupth

onthebra

thatthefi

canslidei

bracketri

eyepiece

Releaseth

intothew

onthefin

Loosenth

bracketlo

onthetel

HING T

nthe

efinder

tlock

onthe

pe.

HING T

etwo

tscrewson

bracketto

ageofthe

e.(Make

justment

notfalloff

t.)

esnot

utonsome

fixedstud

cketringso

dertube

tothe

gfromits

nd.

efixedstud

degroove

ertube.

finder

kscrews

scope.

E FIND



R SCOP

(A70Lf)

2. Atta

sco

the

Tigh

bra

sec

(A80Mf

Slidethe

finder.

Position

ofthefi

Tighten

adjustm

thatthe

aligned

figure.

Attacht

asshow

theright

finderb

securely

ch the finde

e as shown i

figure

ten the finde

ket lock scre

rely.

OR R13

rubberO‐rin

herearetwo

theO‐ringon

derscope.



hetwo

ntscrewsso

inderscopei

sshowninth

efinderbrac

inthefigure

.Tightenthe

acketlockscr



r



.

r



Sf)



ontotheeye

roovesonth

henarrowgr



et

n

w

ieceendoft

findertube.

oveatthemi

e

dle

MrStarGuy, Inc.



HOW TO ALIGN THE FINDER SCOPE-Besuretoalignthefinderscopewiththetelescopebefore

youstartobserving.



ALIGNING THE FINDER SCOPE – A70Lf

*Chooseaconspicuoustargetinthedistanceandplace

thetargetinthecenterofthefieldofviewofthe

telescope.Intheillustration,adistanttowerisbrought

intothecenterofthefieldofviewofthetelescope.

*Next,lookthroughthefinderscope.Youshouldfind

thesameta

rgetwithinth

efinder’sfieldofview.Inthe

illustration,thetowerisseenintheupperrightofthe

finder’sfieldofview.



*Aligntheopticalaxis(fieldofview)ofthefinder

scopewiththeopticalaxis(fieldofview)ofthe

telescope.Adjustthefinderscopebylooseningor

tighteningtwoorthreeadjustmentscrewsatatimein

turnuntilthetargetisinthesameposition,inthe

centerofth

ecross

hairs.Intheillustration,thetopof

thetowerisinthecenterofthecrosshairs.Thetopof

thecanbemovedtowardthecenterofthecrosshairs

bylooseningtheadjustmentscrewA,Bandtightening

theadjustmentscrewC.

ALIGNING THE FINDER SCOPE – A80Mf or R130Sf

*Chooseaconspicuoustargetinthedistanceandplace

thetargetinthecenterofthefieldofviewofthe

telescope.Intheillustration,adistanttowerisbrought

intothecenterofthefieldofviewofthetelescope.

*Next,lookthroughthefinderscope.Youshouldfind

thesameta

rgetwithinth

efinder’sfieldofview.Inthe

illustration,thetowerisseenintheupperrightofthe

finder’sfieldofview.



Aligntheopticalaxis(fieldofview)ofthefinderscope

withtheopticalaxis(fieldofview)ofthetelescope.

Adjustthefinderscopebylooseningortighteningthe

adjustmentscrewsAandBinturnuntilthetargetisin

thesameposition,inthecenterofthecrosshairs.

Thetopofth

ecan

bemovedtowardthecenterofthe

crosshairsbylooseningtheadjustmentscrewAand

tighteningtheadjustmentscrewB.



MrStarGuy, Inc.



ACCESSORY CHART

 A70Sf,A80SfandR130SfVisualconfiguration

 A70Sf,A80SfandR130SfPhotographicconfiguration



SPECIFICATIONS- TheSpecificationsaresubjecttochangewithoutnotice.

Specifications A70L

A80M

R130S



Item# 2602 2603 2604

OpticalDesign AchromaticRefractor NewtonianReflector

EffectiveAperture 70mm 80mm 130mm

FocalLength 900mm(f/12.9) 600mm(f/7.5) 650mm(f/5.0)

ResolvingPower 1.66arc.;11.0 1.45arcsec;11.3 0.89arcsec;12.3

LightGatheringPower 100x 131x 345x

TubeDiameter,Length&Weight 76mmx865mm;1.9kg 90mmx860mm;2.5kg 160mmx572mm;4.0kg

Finderscope 6x42mm 6x30mm

Threads 42mmforTring/31.7mmpush‐fit

Magnification PL20mm,PL6.3mm PL20mm,PL6.3mm PL20mm,PL6.3mm

Accessories RoundTray,DiagonalPrism RoundTray

Photography

TotalWeight 7.4kg 8kg 8.9kg

Magnificationequalsfocallength/Eyepiece



MrStarGuy, Inc.

COLLIMATION

TheopticsofthetelescopearealignedcorrectlyatVixen’sfactorybeforeshipment.Itisrarethat

telescopesgooutofalignment,unlessitstubeisknockedstrongly.Followprocedurebelowto

determineifthetelescopeisoutofcollimation.

Examine the Collimation

Selectasecond‐orthird‐magnitudestarandplaceitthecenterofthetelescope’sfieldofviewbyusing

amoderatelyhighpowereyepiece.Focusthestarprecisely.Andthendefocusslightlyandyouwilllook

forstripedpatternsthatsurroundthestar.Ifthestripedpatterncanbeseenasaconcentricimage,

yourtelescopeisproperlyaligned

CollimatedProperly

Mis‐Collimated

InFocusOutofFocusInFocusOutofFocus

MrStarGuy, Inc. 1010 Calle Cordillera, San Clemente, CA 92673

(949) 429-6363 www.vixenoptics.com

MrStarGuy, Inc.

Vixen 2603 User manual

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