Orion StarBlast 10028 Manual de Usario

Orion Telescopio StarBlast 10028

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OrionTelescopes.com

Customer Support (800) 676-1343

E-mail: support@telescope.com

Corporate Offices (831) 763-7000

89 Hangar Way, Watsonville, CA 95076

Providing Exceptional Consumer Optical Products Since 1975

Orion® StarBlast™ 114mm

AutoTracker™

#10140

IN 487 Rev. A 05/13

INSTRUCTION MANUAL

Introduction

Congratulations on your purchase of the Orion StarBlast tele-

scope! Take time to read through this manual before embark-

ing on your journey through the heavens.

Please read the separate AutoTracker Mount Manual (IN 489)

for all information relating to the mount and its accessories.

Your StarBlast telescope is designed to give you years of fun

and exciting astronomical observations. However, there are

a few things to consider before using your telescope that will

ensure your safety and protect your equipment.

Parts List

Optical Tube Assembly

EZ Finder II Reflex Sight (with bracket)

Super 25mm Eyepiece

Super 10mm Eyepiece

Focuser Dust Cap

Telescope Dust Cap

Quick-Collimation Cap

Hex Key

The Eyepieces

The eyepiece, or ocular, is the optical element that magnifies

the image focused by the telescope. The eyepiece fits direct-

ly into the focuser. The 1.25" designation refers to the barrel

diameter of the eyepieces.

To install one of the included eyepieces:

1. Loosen the two thumbscrews on the eyepiece adapter

at the end of the focuser drawtube and remove the

protective dust cap.

2. Slide the barrel of the eyepiece into the focuser.

3. Tighten the thumbscrews to hold the eyepiece in place.

To remove the eyepiece, loosen the thumbscrews on the eye-

piece adapter and slide the eyepiece out.

Eyepieces are commonly referred to by their focal length and

barrel diameter. The focal length of each eyepiece is typically

printed on the eyepiece body. For example this telescope ships

with two 1.25" diameter eyepieces; a 25mm and a 10mm. The

longer the focal length (i.e., the larger the number), the lower

the eyepiece power or magnification; and the shorter the focal

length (i.e., the smaller the number), the higher the magnifi-

cation. Generally, you will use low-to-moderate power when

viewing. For more information on how to determine power, see

the section “Calculating Magnification.”

Focusing

Using the lower power eyepiece (25mm) inserted and secured

with the thumbscrews, aim the optical tube so the front end is

pointing in the general direction of an object at least 1/4-mile

away. With your fingers, slowly rotate one of the focus wheels

until the object comes into sharp focus. A good method to

ensure you’ve hit the exact focus point is go a little bit beyond

WARNING:

• NeverlookdirectlyattheSunwiththenaked

eyeorwithatelescope–unlessyouhaveaproper

solarfilterinstalledoverthefrontofthetelescope!

Otherwise,permanent,irreversibleeyedamage

mayresult.

• Neveruseyourtelescopetoprojectanimageof

theSunontoanysurface.Internalheatbuild-up

candamagethetelescopeandanyaccessories

attachedtoit.

• NeveruseaneyepiecesolarfilteroraHerschel

wedge.Internalheatbuild-upinsidethetelescope

cancausethesedevicestocrackorbreak,

allowingunfilteredsunlighttopassthroughto

theeye.

• Neverleavethetelescopeunsupervised,either

whenchildrenarepresentoradultswhomaynot

befamiliarwiththecorrectoperatingprocedures

ofyourtelescope.

Figure 1. In the box: Parts of the StarBlast 114mm.

Figure 2. Insert the EZ Finder II in its dovetail base in the

orientation shown and secure it with the thumbscrew.

Front

(open) end

of optical

tube

Dovetail

base

Thumbscrew

sharp focus until the image starts to blur again, then reverse

the rotation of the knob and stop when sharp focus has been

achieved again.

Installing the EZ Finder II

Slide the base of the EZ Finder II bracket into the dovetail

holder that is pre-installed on the optical tube. The EZ Finder

II should be oriented so that the sight tube is facing the front

of the telescope ( ). Tighten the thumbscrew on the Figure 2

dovetail holder to secure the EZ Finder II in place.

The EZ Finder II works by projecting a tiny red dot (it is not

a laser beam) onto a lens mounted in the front of the unit

(Figure 3). When you look through the EZ Finder II, the red

dot will appear to float in space, helping you to pinpoint your

target object. The red dot is produced by a light-emitting diode

(LED) near the rear of the sight. A 3-volt lithium battery pro-

vides the power for the diode.

NOTE: If it is present, remove the thin plastic battery shield

tab (not shown) from the battery compartment prior to use

and discard it.

Turn the power knob ( ) clockwise until you hear the Figure 4

“click” indicating that power has been turned on. Look through

the back of the reflex sight with both eyes open to see the

red dot. Position your eye at a comfortable distance from the

back of the sight. In daylight you may need to cover the front

of the sight with your hand to be able to see the dot, which

is purposefully quite dim. The intensity of the dot is adjusted

by turning the power knob. For best results when stargazing,

use the dimmest possible setting that allows you to see the

dot without difficulty. Typically a dimmer setting is used under

dark skies and a brighter setting is needed under light-polluted

skies or in daylight.

Aligning the EZ Finder II

For the EZ Finder II to work properly, it has to be aligned with

the telescope. When the two are aligned, a celestial object that

is centered on the EZ Finder II’s red dot should also appear

in the center of the telescope’s eyepiece. Alignment of the

EZ Finder II is easiest during daylight, before observing at

night. Aim the telescope at a distant object such as a tele-

phone pole or roof chimney and center it in the telescope’s

eyepiece. The object should be at least 1/4 mile away. Now

turn on the EZ Finder II and look through it. Without moving

the main telescope, use the EZ Finder II’s azimuth (left/right)

and altitude (up/down) adjustment knobs ( ) to position Figure 4

the red dot on the object in the eyepiece. When the red dot is

centered on the distant object, check to make sure that the

object is still centered in the telescope eyepiece. If it isn’t, re-

center it and adjust the EZ Finder II’s alignment again. When

the object is centered in the eyepiece on the EZ Finder’s and

red dot, the EZ Finder II is properly aligned with the telescope.

Once aligned, EZ Finder II will usually hold its alignment even

after being removed and remounted. Otherwise, only minimal

realignment will be needed. At the end of your observing ses-

sion, be sure to turn off the power knob on the EZ Finder II.

Replacing the EZ Finder II Battery

Should the battery ever die, replacement 3-volt lithium batter-

ies are available from many retail outlets. Remove the old bat-

tery by inserting a small flat-head screwdriver into the slot on

the battery casing ( ) and gently prying open the case. Figure 4

Then carefully pull back on the retaining clip and remove the

old battery. Do not over bend the retaining clip. Then slide the

new battery under the battery lead with the positive (+) end

facing down and replace the battery casing.

Telescope Basics

A telescope is an instrument that collects and focuses light.

The nature of the optical design determines how the light is

focused. Some telescopes, known as refractors, use lens-

es. Other telescopes, known as reflectors, use mirrors. The

StarBlast 114mm is a reflecting telescope with a primary and

secondary mirror to gather and focus light.

Focusing

Once you have found an object in the telescope, turn the

focusing knob until the image is sharp. To achieve a truly sharp

focus, never look through glass windows or across objects that

produce heat waves, such as asphalt parking lots.

Figure 3. The EZ Finder II superimposes a tiny red dot on

the sky, showing right where the telescope is aimed.

Figure 4. The EZ Finder II’s On/Off and adjustment knobs.

Power knob

Azimuth

adjustment

knob

Battery

casing

Mounting bracket

Altitude

adjustment

knob

Slot for

battery

removal

Especificaciones del producto

Marca:	Orion
Categoría:	Telescopio
Modelo:	StarBlast 10028
Color del producto:	Zwart
Ancho:	120 mm
Altura:	285 mm
Material de la carcasa:	Aluminium
Número de lámparas:	1 gloeilamp(en)
Lámpara de encendido:	2 W
Código de seguridad internacional (IP):	IP44
Método de montaje:	Opbouw
Tipo de fuente de energía:	Battery, Solar
Número soportado de baterías/baterías:	1
Forma:	Rechthoek
Longitud:	138 mm
Tipo de ajuste/pie:	E27
Flujo-luminoso:	200 lm
Adecuado para uso en exteriores:	Ja
Abarcando:	3.7 V
clase de protección:	III
Temperatura ambiente (mín.):	-20 °C
Temperatura ambiente (máx.):	50 °C
Índice de reproducción cromática (CRI):	80
Tipo-de-vidrio:	Helder
Temperatura de color (máx.):	2700 K
Ubicación adecuada:	Universeel
Tecnología de batería:	Lithium-Ion (Li-Ion)
Temperatura de color (mín.):	2700 K