Meade LightBridge Plus, Instruction Manual

Page 1: ...Instruction Manual LightBridge Plus Truss Tube Dobsonian Telescopes...

Page 2: ...eversible damage to your eye Eye damage is 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 Do not look...

Page 3: ...l system 10 Simplified collimation 10 Enhanced collimation 12 Aligning the red dot finder 13 Using the Dobsonian telescope 13 Calculating magnification 14 Observing 14 Some tips 17 Care of the optics...

Page 4: ...cage 10 Altitude bearing 2 11 Primary mirror cover 12 Side base panels 2 13 Front base panel 14 Rear base panel 15 Base panel thumbscrews 12 16 Base bottom panels 2 17 Integrated carry handles 18 Eye...

Page 5: ...s without springs 38 Fan 39 Fan power connector FIGURE 2 FOCUSER ASSEMBLY 23 Coarse focus knob 24 Fine focus knob 25 Tension knob 26 Focuser draw tube 27 2 to 1 25 eyepiece adapter 28 Eyepiece lock th...

Page 6: ...using The correct orientation of the top panel is with the six threaded holes facing up See Figure 4 Step 4 To secure the azimuth bearing system in place On the adjustment knob bolt 34 place one small...

Page 7: ...ct tray orientation is with the screws placed under the tray and out of view Note It is not recommended to install the altitude brake 19 until the optical tube lower cage 9 is placed onto the base ASS...

Page 8: ...w and brake parts provided The altitude brake can be adjusted as needed to induce additional friction on the altitude motion Note When using heavy eyepieces or accessories the optical tube balance poi...

Page 9: ...position under the heavy accessory weight Experiment with these knobs to discover which adjustments are comfortable with your viewing style Step 7 Lift to remove the dust cover from the primary mirror...

Page 10: ...er collimator to help you to collimate your telescope see Optional Accessories Before your first observing session take the time now to familiarize yourself with the following collimation procedure so...

Page 11: ...lder 1 2 Correct 1 and incorrect 2 collimation as viewed by a star test Figure 24 1 2 3 4 5 1 2 1 1 2 2 3 3 4 Figure 25 Figure 26 Figure 27 Figure 28 4 3 2 5 1 6 1 Parabolic Primary Mirror 2 Secondary...

Page 12: ...can be seen centered within the secondary mirror s reflection With the secondary mirror thus aligned the image through the draw tube appears as in Fig 28 4 Primary mirror adjustments If the secondary...

Page 13: ...ield of view and keep it centered during the finders alignment procedure 2 Rotate the dial on top of the finder to change the intensity until you are comfortable with the brightness Push the lever bel...

Page 14: ...al Length ___________________ Eyepiece Focal Length Example Using the 26mm eyepiece supplied with the 10 f 5 LightBridge Plus telescope the power is Power 1270mm ______ 49x approx 26mm The type of eye...

Page 15: ...planets that you can easily observe in your telescope Venus Mars Jupiter and Saturn Nine planets travel in a fairly circular pattern around our Sun Any system of planets orbiting one or more stars is...

Page 16: ...housands of stars with your telescope At first you may think stars are just pinpoints of light and aren t very interesting But look again There is much information that is revealed in stars The first...

Page 17: ...es vertically and or horizontally as needed At higher powers astronomical objects will seem to move through the field of view of the eyepiece more rapidly Place the object to be viewed at the edge of...

Page 18: ...g lens causes virtually no degradation of image quality and should not be considered reason to clean the lens B When absolutely necessary dust on the mirror should be blown off with an ear syringe ava...

Page 19: ...Eyepiece Primary Mirror Parabolic BK7 mirror Diffraction limited Secondary Mirror Support 4 vane steel Base Assembly No tool needed assembly 4 sided structure Altitude Bearings 110mm diameter Azimuth...

Page 20: ...e Eyepiece Primary Mirror Parabolic BK7 mirror Diffraction limited Secondary Mirror Support 4 vane steel Base Assembly No tool needed assembly 4 sided structure Altitude Bearings 130mm diameter Azimut...

Page 21: ...e Eyepiece Primary Mirror Parabolic BK7 mirror Diffraction limited Secondary Mirror Support 4 vane steel Base Assembly No tool needed assembly 4 sided structure Altitude Bearings 170mm diameter Azimut...

Page 22: ...tion that you want but also give you the eye relief you need Other qualities to look for with eyepieces are the apparent field size which is how large an object looks in an eyepiece and coatings which...

Page 23: ...ctors use a parabolic figured mirror which corrects for spherical aberration inherent in other more standard reflector types that use a spherical mirror The secondary mirror is a flat optical surface...

Page 24: ...o Meade freight prepaid with proof of purchase This warranty applies to the original purchaser only and is non transferable Meade products purchased outside North America are not included in this warr...

Page 25: ...25 DRAWING OF IMAGE photocopy this page OBSERVER OBJECT NAME DATE TIME OBSERVED CONSTELLATION EYEPIECE SIZE SEEING CONDITIONS EXCELLENT GOOD POOR NOTES OBSERVATION LOG...

Page 26: ...26 DRAWING OF IMAGE photocopy this page OBSERVER OBJECT NAME DATE TIME OBSERVED CONSTELLATION EYEPIECE SIZE SEEING CONDITIONS EXCELLENT GOOD POOR NOTES OBSERVATION LOG...

Page 27: ...27 DRAWING OF IMAGE photocopy this page OBSERVER OBJECT NAME DATE TIME OBSERVED CONSTELLATION EYEPIECE SIZE SEEING CONDITIONS EXCELLENT GOOD POOR NOTES OBSERVATION LOG...

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