Carson Skyseeker JC-200 User manual

50668 0057371

HAUPPAUGE NY 11788

www.carson-optical.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN TAIWAN

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN TAIWAN

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN CHINA

RONKONKOMA NY 11779

www.carson.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carson.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN TAIWAN

TABLE OF CONTENTS

Introduction

Box Contents / Visual Key Diagram

Telescope Assembly

• SettingupYourTripod

• AttachingtheEyepieces

• RemovingtheEyepieces

UsingtheTelescope

Calculating Power

CareandMaintenanceofYourTelescope

Specications

Warnings

CustomerService

Warranty Information

IMPORTANT:DONOTUSEYOURSKYSEEKERTMTELESCOPETO

LOOKATORNEARTHESUN!DOINGSOWILLCAUSEINSTANT

ANDPERMANENTEYEDAMAGE.

4-5

CongratulationsonyourpurchaseofaCarsonJC-200SkySeekerTM

telescope.Thistelescopefeaturesaneasy-to-usedesignandhigh

performanceopticsthatareperfectforbeginningastronomers

lookingtoexplorethewondersofouterspaceandtheworldaround

them.Pleasereadthismanualcarefullytoensurethatyouassemble

anduseyourtelescopecorrectly.Whenusedproperly,your

SkySeekerTM telescopeshouldprovideyearsofexcitingobservations

oftheuniverse.PleasenotethatthisNewtonianReflectortelescope

wasdesignedforastronomicalviewingonly.

• CompleteOpticalTubeAssemblyonDobsonianTabletop

Mount

• 8mmHuygenianEyepiece(1.25”O.D.).

• 20mmHuygenianEyepiece(1.25”O.D.).

Pleaseunpackyourtelescopecarefullyandmakesurethatall

accessoriesareincludedinthebox.

VISUAL KEY DIAGRAM

BOX CONTENTS

SettingUpYourTelescope:

Themountandopticaltubeassemblycomespreassembledand

ready-to-use.Carefullyremovethetelescopefromthebox.

AttachingtheEyepieces:

InserttheHuygenian20mmeyepieceintothefocuserandrotate

clockwiseintofocuseruntiltight.Becarefulnottoover-tighten

theeyepiece.

RemovingtheEyepieces:

Toremoveeyepieces,holdontothesilvermetalportionofthe

eyepiece,androtatecounter-clockwiseuntilloose,andremove

from focuser.

Onceyouhaveproperlyassembledyourtelescopeyouareready

to start using it.

• First,placeyourtelescopeonastablesurfaceorholdthemount

steadily in your arms.

•Tolocateanobjectusingthetelescope,rstloosenthealtitude

lockknoballowingthetelescopetorotatefreelyalongbothaxes.

• Aimtheopticaltubeassemblyatyourdesiredtargetbyrotating

theazimuthpositionleftorright.Lookthroughtheeyepieceat

thedesiredtarget,andmakealtitudeadjustmentsbymovingthe

opticaltubeassemblyverticallybyhand.Whenthealtitudedirec-

tionisaligned,youmayre-tightenthealtitudelockknob.

• Oncetheobjectiscenteredintheeldofview,turnthefocuser

untiltheimageisclearandsharp.

• Itisbesttousethelowestpowereyepiece(theHuygenian20mm

eyepiece)atrst.Thisallowsforawidereldofviewmakingit

easiertolocateobjects.Oncetheobjectiscenteredintheeldof

viewyoucanswitchtheeyepiecetohighermagnications.

•Youwillnoticethattheviewthroughthetelescopeisinverted

(upside-down).Thisiscommonintelescopesusedforastronomi-

calviewing.Atnightitisbesttostartbylookingatthemoonor

othereasytondcelestialobjects.Asyoubecomemoreexperi-

encedusingyourtelescopeyoucanbegintotrylocatingharder

tondobjects.

TELESCOPE ASSEMBLY

USING THE TELESCOPE

• Ifyouareviewingcelestialobjects,youwillnoticethattheobjectwill

slowlymoveacrosstheeldofview(causedbytherotationofthe

Earth).Youwillneedtoslowlymovethetelescopeverticallyand/or

horizontallytokeeptheobjectcentered.

Therearemanyconditionsthatmayaffectyourabilitytofocusor

observecelestialobjectsclearly.

• Brightlylitareas(lightpollution)willmakeitdifculttoseefaint

objectsinthesky.Itwillalsomakeitdifcultforyoureyestoadjust

tothedark.Youshouldtryandndadarkareaandallowyoureyes

toadjusttothedarkbeforemakingobservations.Usingaredltered

ashlighttoviewchartsandyourtelescopecomponentsisrecom-

mendedtopreserveyournightsight.Thebestviewingconditionsare

whentheskyisinkyblack.

• Hazyskies,pollution,cloudsandmoisturecanallaffecttheclarityof

yourviewingimage.

• Avoidtouchingtheeyepieceoropticaltubewhilelookingthrough

thetelescope.Thevibrationscausedbythiscontactwillcausethe

objectyouarelookingattomove.Youshouldalsomakesurethat

thesurfaceyouplaceyourtelescopeondoesnotvibrateormoveas

thiswillalsocauseyourviewingobjecttomove.

•Youshouldavoidsettingupyourtelescopeinsidearoomlooking

throughanopenwindow.Thedifferenceinairtemperaturesmay

result in a blurry image.

•Viewingthroughaclosedwindowmightalsoresultinadistortedim-

ageduetothevaryingdensitiesofwindowglass.

• Avoidviewingobjectsthatarelowonthehorizon.Objectsthatare

higherupintheskywillappearmuchsharper.

• Suddenchangesintemperaturemaycausecondensationtoappear

ontheopticalcomponentsofthetelescope.Itisbesttosetupyour

telescopeaheadoftimeandthenwaitwhilethetelescopeadjuststo

thenewtemperaturebeforeusingit.

USING THE TELESCOPE CONT.

Themagnicationofatelescopedependsonboththefocallength

ofyourtelescopeaswellastheeyepieceyouuse.Thereisasimple

formulayoucanusetodeterminethemagnicationyouareusingat

anygiventime.Simplydividethefocallengthofthetelescopebythe

focallengthoftheeyepiece.Forexample,ifyouareusingtheincluded

20mmeyepiecewithyourJC-200telescopethepowerwouldbe:

Power=300mm/20mm=15x

Usinganeyepiecewithasmallerfocallengthwillincreasethemagni-

cationofyourtelescope.Itisalwaysbesttostartatthelowestmagni-

cationconguration.Thewidereldofviewmakesiteasiertospotfar

awayobjects.Onceanobjectiscenteredinyoureldofviewyoucan

switchtothehigherpowercongurations.

• Alwaysreplacedustcoversandlenscapswhennotinuse.Thiswill

minimizetheamountofdustanddebristhatgetsintoyourtelescope.

• Cleaningshouldbeperformedonlyifabsolutelynecessary.Ifdust

hasbuiltupontheopticsuseasoftcamel’shairbrushorpressurized

airtogentlyremoveit.

• Ifdewcollectsontheopticsofyourtelescopeormoisturecondenses

insidetheoptics,removeallaccessoriesandplacethetelescopeina

dry,dustfreeenvironmentandpointthetelescopedownward.This

shouldhelpeliminatethemoisture.

• Avoidtouchingthesurfaceofthemirror.

• Donotattempttotakeapartyourtelescopetocleanit.

CALCULATING POWER

CARE AND MAINTENANCE

OpticalDesign: NewtonianReector

Aperture: 76mm(2.99”)

FocalLength:  300mm(11.8”)

FocalRatio: f/3.95

Eyepiece1: Huygenian20mm

Magnication1: 15x

Eyepiece2: Huygenian8mm

Magnication2: 37.5x

Mount:  Dobsonian(Alt-azimuthmount)

Weight: 3.7lbs.

• Neverusethistelescopetolookdirectlyatornearthesun.

Viewingthesuncancauseinstantandirreversibleeyedamage.

• Alwayssupervisechildrenwhenusingthistelescope.

• Donotleavetelescopeunattendedatanytime.Untrainedadultsor

childrenmaynotbefamiliarwiththecorrectingoperatingprocedure.

• Donotpointthetelescopeatthesunevenwhenyouarenotlooking

throughit.Thiswillcauseinternaldamagetothetelescope.

• Handlethistelescopewithcare.Roughhandlingmightknockthe

internal optical components out of alignment.

SPECIFICATIONS

WARNINGS

ThisCarsonproductiswarrantedtobefreefromdefectsinmaterial

andworkmanshipforaperiodofoneyearfromdateofpurchase.During

thisperiodCarsonwill,atitsoptionandwithoutcharge,eitherrepairany

partorassemblyofpartsfoundtobedefectiveinmaterialor

workmanship,orreplacethisCarsonproductwithaCarsonproductof

comparablevalueandcondition,subjecttothelimitationsandexclusions

notedherein.

Thiswarrantyextendstotheoriginalpurchaseronlyandisnot

assignableortransferable.Itshallnotapplytoanyproductthathasbeen

subjecttomisuse,abuse,negligenceoraccident,ortoanydefectsor

damagedirectlyorindirectlycausedbytheuseofunauthorized

replacementpartsand/orserviceperformedbyunauthorizedpersonnel.

Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveother

rightswhichcouldvaryfromstatetostate.Somestatesdonotallow

limitationsonthelifeofanimpliedwarrantyand/ordonotallow

excludingorlimitingincidentalorconsequentialdamages.Ifso,the

abovelimitationsorexclusionsmaynotapplytoyou.

Provideproofofpurchase.Areceiptorotherdatedproofofpurchase

mustbeincludedwithmerchandisebeingreturnedforawarrantyclaim

tobeprocessed.Callorwriteforauthorization.Beforereturningany

productforawarrantyclaim,aReturnAuthorization(RA)numbermustbe

obtained.NomerchandisewillbeacceptedwithoutanRA,andfailureto

obtainanRAwillpreventordelayprocessingofthewarrantyclaim.

Packagethereturncarefully.Shipperswillnotreimbursefordamages

duetoinsufficientpackaging,evenifthemerchandiseisinsured.

PrinttheRAnumberprominentlyonthetopofthepackage.

Prepayshipping.Insurethe package.

WARRANTY INFORMATION

50668 0057371

HAUPPAUGE NY 11788

www.carson-optical.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN TAIWAN

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN TAIWAN

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN CHINA

RONKONKOMA NY 11779

www.carson.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carson.com

MADE IN CHINA

HAUPPAUGE NY 11788

www.carsonoptical.com

MADE IN TAIWAN

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