Meade 90AZ-ADRB Instruction Manual Download

Page: 4 / 12

Looking at or near the

Sun

will cause

irreversable

damage to your eye. Do not point this telescope at or near the Sun. Do not look through the telescope as it is moving.

– 4 –

Figure 1: Meade 90AZ-ADR Altazimuth Refracting Telescope

Inset A: Tripod Leg; Inset B: Viewfinder Assembly

1. Eyepiece

14. Objective lens cell

2. Viewfinder

15. Focuser drawtube and thumbscrews

3. Viewfinder collimation screws

16. Vertical slow motion fine adjustment control cable

4. Optical tube assembly

17. Horizontal slow motion fine adjustment control cable

5. Cradle assembly

18. Altazimuth mount/saddle plate slot

6. Cradle lock knob (not visible)

19. Adjustable sliding center leg extension

7. Tripod legs

20. Tripod leg lock knob (see

inset A

)

8. Leg brace

21. Dew shield/lens shade

9. Leg brace supports

22. Front lens cap (not visible in photo)

10. Vertical lock knob

23. Focusing knob

11. Horizontal lock knob

24. Red dot VF bracket with mounting thumbscrews

12. Mounting locks knob

25. Alt/az mount

13. Diagonal mirror

26. Accessory tray
27. Wing nut and bolts (leg attachment point)
28. Red dot intensity slider

Summary of Contents for 90AZ-ADRB

Page 1: ... 2007 Instruction Manual Meade 90AZ ADRB 90mm 3 5 Altazimuth Refracting Telescope 800 626 3233 www meade com ...

Page 2: ...h America are not included in this warranty but are covered under separate warranties issued by Meade international distributors RGA Number Required Prior to the return of any product or part a Return Goods Authorization RGA number must be obtained from Meade by writing or by calling 800 626 3233 Each returned part or product must include a written statement detailing the nature of the claimed def...

Page 3: ...muth Mount Movements and Lock 5 Red Dot Viewfinder Alignment 6 Using the Telescope 6 Some Observing Tips 8 Specifications 10 What Do the Specifications Mean 10 Use the Specifications to Calculate the Magnification of your Eyepiece 10 Taking Care of Your Telescope 11 Optional Accessories 11 ...

Page 4: ...izontal slow motion fine adjustment control cable 5 Cradle assembly 18 Altazimuth mount saddle plate slot 6 Cradle lock knob not visible 19 Adjustable sliding center leg extension 7 Tripod legs 20 Tripod leg lock knob see inset A 8 Leg brace 21 Dew shield lens shade 9 Leg brace supports 22 Front lens cap not visible in photo 10 Vertical lock knob 23 Focusing knob 11 Horizontal lock knob 24 Red dot...

Page 5: ...in one of the leg braces 8 Fig 1 Thread one of the one half inch bolts through the holes Thread a hex nut over the end of the bolt Finger tighten the bolt and hex nut See Fig 2 Repeat with the two other leg braces 4 Thread the accessory tray 26 Fig 1 over the center mounting bolt and tighten to a firm feel 5 Extend the sliding center portion of the adjustable height tripod leg 19 Fig 1 to the desi...

Page 6: ...witch to a position that is comfortable for your eyesight and the darkness of your observing site 4 Slide the intensity switch all the way to the left to turn off the red dot viewfinder Remember to turn the device off at the end of your viewing session USING THE TELESCOPE Observe during the daytime Try out your telescope during the daytime at first It is easier to learn how it operates and how to ...

Page 7: ...use it has a very thick atmosphere of gas When Mars is close to the Earth you can see some details on Mars and sometimes even Mars polar caps But quite often Mars is further away and just appears as a red dot with some dark lines crisscrossing it Jupiter Saturn Uranus Neptune and Pluto comprise the outer planets These planets except for Pluto are made mostly of gases and are sometimes called gas g...

Page 8: ...hese are large clouds of gas in which new stars are being born Some nebulas are the remains of stars exploding These explosions are called supernovas When you become an advanced observer you can look for other types of objects such as asteroids planetary nebula and globular clusters And if you re lucky every so often a bright comet appears in the sky presenting an unforgettable sight The more you ...

Page 9: ...t Allow five or ten minutes for your eyes to become dark adapted before observing Use a red filtered flashlight to protect your night vision when reading star maps or inspecting the telescope Do not use use a regular flash light or turn on other lights when observing with a group of other astronomers You can make your own red filtered flashlight by taping red cellophane over a flashlight lens View...

Page 10: ...s equatorial mounting USE THE SPECIFICATIONS TO CALCULATE THE MAGNIFICATION OF YOUR EYEPIECE The power of a telescope is how much it magnifies objects Your 25mm eyepiece magnifies an object 36 times Your 9mm eyepiece magnifies objects 100 times But if you obtain other eyepieces you can calculate how much magnification they have with your telescope Just divide the focal length of the telescope by t...

Page 11: ... of solution Use soft white facial tissues and make short gentle strokes Change tissues often CAUTION Do not use scented or lotioned tissues or damage could result to the optics DO NOT use a commercial photographic lens cleaner OPTIONAL ACCESSORIES 928 45 Erecting Prism 1 25 O D Correctly orients the telescopic image during terrestrial observing and yields an image position at a 45 angle to the ma...

Page 12: ...Looking at or near the Sun will cause irreversable damage to your eye Do not point this telescope at or near the Sun Do not look through the telescope as it is moving 800 626 3233 www meade com 0207 ...

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