Meade Truss Dobonian 12 Manuel d'instructions

Instruction Manual8”, 10", 12" LightBridge™ Truss Tube Dobsonian TelescopesMEADE.COM

105.Bring the star's image slowly in and out of focus until you see several disks sur-rounding the star's center. If steps 1 through 3 were

11ALIGN THE RED DOT FINDERIt is recommended that you perform steps 1 and 2 of this procedure during the day-time and step 3 at night.1. If you have no

12CALCULATE MAGNIFICATIONThe magnification, or power of a telescope is determined by two factors: the focallength of the eyepiece and the focal length

13Look for different features on the Moon:The most obvious features are craters. In factyou can see craters within craters. Some craters have bright l

14Probably the most memorable sight you will see in your telescope is Saturn. Althoughyou may not see many features on the surface of Saturn, its ring

15SOME TIPSBy the way, you might have noticed something strange when you looked through youreyepiece. The image is upside down, and it is also reverse

16b. When absolutely necessary, dust on the mirror should be blown off with an earsyringe (available at any pharmacy). DO NOT use a commercial photogr

17SPECIFICATIONS8" Standard ModelOTA Open truss design. Upper cage metal tube containing spider and secondary mirror holder,focuser with attachme

18Eyepiece tray For one 2” and three 1.25” eyepieces mounted onone side of the base.Eyepiece Meade 26mm Super PlösslDust Cover To fit over primary mir

19OPTIONAL ACCESSORIESA wide assortment of professional Meade accessories is available for the LightBridgetelescope models. The premium quality of the

14-1010-48 12/05 (800) 626-3233www.meade.comMEADE LIMITED WARRANTYEvery Meade telescope and telescope accessory is warranted by Meade Instruments Corp

Telescope Features ... 8Assembly ...

4BB1&1*2)2!2!2!2)2)1#1^1%CDEFFGHIJ1)1!J1@Tube Assembly1. Eyepiece2. Focuser assembly3. Front OTA (optical tube assembly)4. Top truss lock knobs (3

5ASSEMBLE THE BASESTEP 1: The base supports the telescope and allows you tomove the telescope from side to side.Line up one of the base side panels (9

6ASSEMBLE THE TUBESTEP 5: Next attach the three feet to the bottom panel. Line upeach foot and thread a small attachment screw into the foot tohold it

7STEP 10: The entire assembly should move easily up anddown and from side to side.INSERT EYEPIECE AND ATTACH RED DOT FINDERSTEP 11: Insert the one and

8COLLIMATION OF THE OPTICAL SYSTEMPrecise collimation, or alignment, of your telescope’s optical system is essential forgood performance. All Meade te

9Fig. B: Secondary Mirror Assembly. (1) Spider Vanes; (2) Tilt Screws;(3) Secondary Mirror Holder.Fig. C: Underside of rear mirror tube (primarymirror