Instruction/ maintenance manual of the product 12.5 Meade
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Meade Instruments Corporation INSTRUCTION MANUAL 6”, 8”, 10”, & 12.5” Starfinder Dobsonian Telescopes.
Fig. 1: The Meade Starfinder Dobsonian T elescope. 1 2 3 4 5 6 7 8 9 10 11 W ARNING! Never use the Starfinder Dobsonian telescope to look at the Sun! Looking at or near the Sun will cause instant and irreversible damage to your e ye.
- 3 - Captions for Fig. 1 1. Focuser assembly 2. Eyepiece 3. Viewfinder bracket 4. Viewfinder 5. Optical tube assembly 6. Mirror cell 7. Side board 8. Ground plate 9. Base plate 10. Front board 1 1. Altitude bearing Contents 6", 8" 10", and 12.
- 4 - INTRODUCTION The Starfinder Dobsonian telescope will open up the skies for a breathtaking array of visual observations. Galaxies, nebulae, star clusters — in all their variations of form, color, and extent — as well as the Moon, planets, comets and other objects within the solar system, may be studied in great detail.
- 5 - Optical Tube Assembly The optical tube has been pre-drilled at the Meade factory to accept all standard accessories. 1. Attaching the Focuser: Lay the tube flat on the floor . Align the holes in the focuser assembly (1, Fig. 1) with the four pre-drilled holes in the optical tube.
- 6 - Correct Collimation A properly collimated (aligned) mirror system in your Starfinder Dobsonian telescope assures the sharpest images possible. Y our Starfinder is properly aligned when the primary mirror (3, Fig. 4) and secondary mirror (2, Fig.
- 7 - Fig. 8. (Note that the secondary mirror is misaligned.) Secondary Mirror Adjustments If the secondary mirror (1, Fig. 8) is centered in the drawtube (2, Fig. 8) but the primary mirror is only partially visible in the reflection (3, Fig. 8) the 3 hex screws located on the secondary mirror assembly (2, Fig.
- 8 - detail than a dimmer, poorly resolved, larger image. Because of certain characteristics of the human eye (in p a r t i c u l a r , eye pupil diameter) and because of optical considerations inherent in the design of the telescope, there exist minimum practical power levels also.
- 9 - Eyepiece 6" f/8 8" f/6 10" f/4.5 12.5" f/4.8 Power Power Power Power SP 6.4mm 191X 191X 178X 238X SP 9.7mm 126X 126X 118X 157X SP 12.4mm 98X 98X 92X 123X SP 15mm 81X 81X 76X 102X SP 20mm 61X 61X 57X 76X SP 26mm 47X 47X 44X 59X SP 32mm 38X 38X 36X 48X SP 40mm 31X 31X * * SW A 13.
- 10 - Specifications and Features: Meade Starfinder ™ Dobsonian Telescopes TELESCOPE: Starfinder Starfinder Starfinder Starfinder Dobsonian 6 Dobsonian 8 Dobsonian 10 Dobsonian 12.
- 11 - MEADE LIMITED WARRANTY Every Meade telescope, spotting scope, and telescope accessory is warranted by Meade Instruments Corporation (“Meade”) to be free of defects in materials and workmanship for a period of ONE YEAR from the date of original purchase in the U.
Meade Instruments Corporation World’s leading manufacturer of astronomical telescopes for the serious amateur . 6001 Oak Canyon, Irvine, California 92620 (949) 451-1450 Fax: (949) 451-1460 www.
An important point after buying a device Meade 12.5 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Meade 12.5 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Meade 12.5 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Meade 12.5 you will learn all the available features of the product, as well as information on its operation. The information that you get Meade 12.5 will certainly help you make a decision on the purchase.
If you already are a holder of Meade 12.5, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Meade 12.5.
However, one of the most important roles played by the user manual is to help in solving problems with Meade 12.5. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Meade 12.5 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
