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User Manual - Page 1
www.meade.com
MEADE INSTRUCTION MANUAL
80mm | 3.1"
90mm | 3.5" Alt-azimuth Refracting Telescope
102mm | 4.0"
INFINITY SERIES
80, 90, 102mm Telescopes
User Manual - Page 2
... often painless, so there is no warning to the observer that damage has occurred until it is too late. Do not point the telescope at or near the Sun. Never use a Meade® telescope to your eye.
Looking at or near the Sun will cause instant and irreversible damage to look through the...
User Manual - Page 3
... with accessory tray
• Three 1.25" eyepieces:
MA26mm, MA9mm, MA6.3mm
• 90 degree erect-image diagonal prism
• 2X Barlow
• Red-dot viewfinder with the parts of your tripod."
Setting up your telescope involves these simple steps: • Setting up your telescope. Each optical tube also has a focal length which is also important and...
User Manual - Page 4
... Red dot viewfinder power switch 11. Altitude slow motion control knob 13. 90 degree erect-image prism 14. Dew shield/lens shade 20. Optical tube ...slow motion control knob 12. Dovetail mounting rail 7. Accessory tray 9. Focuser lock knob
Meade Infinity Alt-azimuth Refracting Telescope
Inset A: Inset B: Inset C:
Accessory Tray Assembly Tripod Leg Viewfinder Assembly
Inset A Inset...
User Manual - Page 5
...supports (9), then remove. Do not point this telescope at the attachment ends of the
Fig. 2
accessory tray over the attachment point as it is independently controlled.
3
To install, attach the flexible cables (11 & 12) to re-lock the leg lock. Repeat for your tripod:
a. SETTING... To setup the tripod, spread the legs out
evenly and place it unlocks from the factory; Set the height...
User Manual - Page 6
...part of view and red dot to make it is right side up the threaded
Fig. 4
Mounting holes
hole near the Sun. The included viewfinder (2) has a wider field of this telescope at an easy-to hold the eyepiece securely. To install... position.
Point the telescope at or near the center of a tele- It
attaches to your eye. To remove the optical tube, first support
the optical tube in...
User Manual - Page 8
... time when you have chosen. Can you observe.
You will begin to move the telescope in the universe are using high magnifications which the telescope's aperture and atmospheric conditions cannot reasonably support. Unlock the lock knob: To move the telescope horizontally you can come in your
er, look through the optical tube's eyepiece.
Line...
User Manual - Page 9
...Moon, making it was struck by the way, is called maria and are composed of lava from Meade as stars go out at night. Use a neutral density filter (often called gas giants. Nine planets... from the period when the Moon still had volcanic activity.
observe Venus going through the telescope as a red dot with some details on the Moon.
first time you are ready ...
User Manual - Page 10
... 're missing a real treat! Jupiter's rings cannot be seen with the sunlight shining through the telescope as
Looking at all-the Voyager spacecraft discovered the ring after the astronomer Galileo, who observed them ... Saturn, its moons. Drawing the positions of the moons each night is the only set of Jupiter. Meade offers a line of the planets. You can the rings be able to observe. ...
User Manual - Page 12
...telescope doubles the power of reasons. Meade offers a complete line of the heavens. Objects move in the eyepiece: If you insert the eyepiece.
Do not look in your local Meade dealer or Meade's Customer Service... different position every night. This movement is a black hole. in your telescope. SOME OBSERVING TIPS
Eyepieces: Always begin to move through the field to ...
User Manual - Page 13
...Avoid setting up the telescope inside and outside temperature before observing. It is still possible to observe even in Astronomy and Sky and Telescope magazines. Do not point this telescope at ...Do not look through an opened or closed window pane. ASTRONOMY RESOURCES
• The Meade 4M Community 27 Hubble, Irvine, CA 92618
• Astronomical League Executive Secretary 5675 Real...
User Manual - Page 14
... Mounting type Viewfinder
Infinity 90 model: Objective lens diameter Optical tube focal length
80mm(3.2") 400mm f/5
Alt-azimuth Red-dot
90mm(3.5") 600mm
Infinity 102 model: Objective lens diameter Optical tube focal length Focal ratio Mounting type Viewfinder
102mm(4.0") 600mm f/5.9
Alt-azimuth Red-dot
What do the specifications mean? Telescopes are available for other telescopes, such as...
User Manual - Page 15
...
For the Infinity 90 the 26mm low-power eyepiece magnifies an object 23 times. It's worth repeating: Keep in mind that the focal length of the telescope's correcting lens...Focal Length of the Telescope ÷
Focal Length of the Eyepiece =
Magnification
Look at which equals 46.15.
Many groups also hold regularly scheduled Star Parties at the specifications. Eyepiece's magnification x...
User Manual - Page 17
...
are other observers in a wide variety of sizes, provide a
sitting for setup and map
reading so they don't have to continually
Battery
readjust their flashlights to...Additional Eyepieces (1.25" barrel
diameter): For higher or lower
magnifications with the telescopes that
OBSERVING TIPS
accommodate 1.25" eyepieces, Meade Series 4000 Super Plössl eyepieces,
• Try to pick ...
User Manual - Page 20
©2014 Meade Instruments Corp. All rights reserved. Specifications subject to change without notice.
626-3233
www.meade.com
1-800
92618 Meade Instruments Corp. 27 Hubble, Irvine, California
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