ORION TELESCOPES & BINOCULARSinstruction Manual SkyQuest xx12g Скачать руководство пользователя страница 23

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skyQuest XX16g Goto

Primary mirror

406mm diameter, parabolic, center-marked

Focal length

1800mm

Focal ratio

f/4.4

Focuser

Dual-speed Crayford (11:1), accepts 2" and
1.25" eyepieces with included adapter

Optical tube material Rolled steel

Azimuth bearing

Thrust needle bearing

Altitude bearing

Ball bearing

Eyepieces

28mm DeepView, 2" barrel; 12.5mm
Illuminated Plössl, 1.25" barrel

Eyepiece
magnifications

64x and 144x

Finder scope

EZ Finder II Reflex Sight

Eyepiece rack

Holds three 1.25" eyepieces and one 2"
eyepiece

Mirror coatings

Enhanced aluminum (94% reflectivity) with
SiO2 overcoat

Minor axis of
secondary mirror

91mm

Optical tube weight
(assembled)

69 lbs.

Base weight

105 lbs.

Tube length

68"

Operation

Northern or Southern hemisphere

Power requirement

12V DC 2.1 Amp (tip positive)

Motor type

DC servo with optical encoders for altitude
and azimuth axes

Slew speeds

Rate 0 = 1.0X
Rate 1 = 2X
Rate 2 = 16X
Rate 3 = 32X
Rate 4 = 50X
Rate 5 = 200X
Rate 6 = 400X
Rate 7 = 600X
Rate 8 = 800X
Rate 9 = 1000X

Tracking rates

Sidereal (default), Lunar, Solar.

Alignment method

Brightest Star, Two-Star

Database

Over 42,900 objects including:
Complete Messier & Caldwell catalogs, 7840
NGC objects, 5386 IC objects, 29523 SAO
stars, 8 planets, Moon, 212 named stars,
55 well-known double stars, 20 well-known
variable stars, 25 user-defined objects.

Содержание SkyQuest xx12g

Страница 1: ...Orion SkyQuest XXg GoTo Truss Tube Dobsonians 10148 XX12g 8964 XX14g 8968 XX16g XX14g Customer Support www OrionTelescopes com contactus Corporate Offices 89 Hangar Way Watsonville CA 95076 USA Provid...

Страница 2: ...rack 2 extension adapter 1 25 eyepiece adapter Top groundplate Bottom groundplate Captive base connecting bolts x12 EZ Finder II 2 DeepView eyepiece 2 Dual speed Crayford focuser Truss poles Lower opt...

Страница 3: ...ips in four boxes with the truss poles and coun terweights contained in a separate box The XX16g is pack aged in five boxes with the base components divided into two separate boxes to keep the weight...

Страница 4: ...232 computer interface cable 1 Hand controller bracket with 2 mounting screws 3 Counterweight mounting bolts XX14g XX16g 1 Cooling accelerator fan with battery holder XX12g only 1 Instruction manual n...

Страница 5: ...s 2 2 lbs each XXX16g only Figure 4 Contents of the truss pole and counterweight box The XX16g contains nine counterweights For the XX12g the truss poles are included in the optical tube box and there...

Страница 6: ...e 2mm 4mm 6mm 3 Plastic feet XX12g only feet are pre installed on XX14g and XX16g 3 Feet wood screws 1 long XX12g only Box 5 Dobsonian Base XX16g only Qty Description 1 Groundplate assembly with azimu...

Страница 7: ...arter holes on the perimeter of the bottom ground plate Figure 6a Insert the screws through the feet and thread them into the predrilled starter holes Figure 6b with a Phillips screwdriver until tight...

Страница 8: ...gure 10 The completed side panel and front panel assembly Figure 12 Find the two pilot holes and attach the hand controller bracket but don t overtighten the screws Figure 11 Place the large opening o...

Страница 9: ...he eyepiece rack over the screw heads and slide it downward until it stops Figure 11 Tighten the screws to secure the rack in place 8 The XXg base includes a bracket that holds the hand controller whe...

Страница 10: ...recommend placing a soft towel on a flat surface and placing the mirror face down on the towel because the aluminized outer edge of the mirror will contact the surface With the XX12g mir ror on the ot...

Страница 11: ...e entire mirror cell assembly should seat onto the tube Now replace the Phillips screws that fas ten the rear end ring to the tube Before assembling the rest of the optical tube you should con sider h...

Страница 12: ...be section as need ed to access the counterweight mounting bolts on the rear cell and thread the counterweights onto each of the three mounting bolts Spin them clockwise until they stop 5 Now attach t...

Страница 13: ...back and firmly tighten the eight clamping knobs on the lower truss support ring If after assembling the truss poles are loose within the truss connectors use the supplied 4mm hex key to tighten the b...

Страница 14: ...dark skies and a brighter setting is needed under light polluted skies or in daylight Aligning the EZ Finder II When the EZ Finder II is properly aligned with the telescope an object that is centered...

Страница 15: ...he backyard observing spot It obviates the need to disassemble the telescope just to move it a short distance Visit OrionTelescopes com or call Orion customer service at 800 676 1343 for details The o...

Страница 16: ...aid in collimating the primary mirror of the XXg has a tiny adhesive ring marking its exact center Figure 3a This center ring will not affect the images you see when observing with the telescope in a...

Страница 17: ...ctions within the secondary mirror in order to properly adjust the tilt of the secondary mirror Adjusting the tilt of the secondary mirror and the tilt of the primary mirror are the two collimation ad...

Страница 18: ...perfect circle Figure 33 If the image is unsymmetrical the telescope is out of collimation The dark shadow cast by the secondary mir ror should appear in the very center of the out of focus circle lik...

Страница 19: ...ne turn of the coarse focus knobs so much finer adjustment is possible than with just the coarse focus knobs alone You ll find this is a great convenience especially when attempting to focus at high m...

Страница 20: ...e able to keep them on while you observe if your eyepieces have enough eye relief to allow you to see the whole field of view You can try this by looking through the eyepiece first with your glasses o...

Страница 21: ...t which means different densities of air are rapidly mixing This causes significant distortion of the incoming light which prevents sharp views at high magnifica tions Keep in mind that as magnificati...

Страница 22: ...8 planets Moon 212 named stars 55 well known double stars 20 well known variable stars 25 user defined objects SkyQuest XX14g GoTo Primary mirror 356mm diameter parabolic center marked Focal length 16...

Страница 23: ...reflectivity with SiO2 overcoat Minor axis of secondary mirror 91mm Optical tube weight assembled 69 lbs Base weight 105 lbs Tube length 68 Operation Northern or Southern hemisphere Power requirement...

Страница 24: ...nly valid in the country of purchase This warranty does not apply if in Orion s judgment the instrument has been abused mishandled or modified nor does it apply to normal wear and tear This warranty g...

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