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Meade LXD 75-Series 10 f/4 Model SN-10ATSpecifications, 6 f/8 Model AR-6ATSpecifications

Models: LXD 75-Series

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10" f/4 Model SN-10AT Specifications

10" f/4 Model SN-10AT Specifications

Optical design	Schmidt-Newtonian
Clear aperture	10" (254mm)
Focal length	1016mm
Focal ratio (photographic speed)	f/4
Resolving power	0.45 arc secs
Coatings	Meade EMC Super Multi-Coatings
	Ultra-High Transmission Coating optional
Mounting	Die-cast aluminum
Input Voltage	12v DC
Alignment	German-type equatorial mount
Slew Speeds	1x sidereal to 4.5°/sec in 9 increments
Tripod	Variable-height field tripod
Accessories	8 x 50mm finder
	T-Adapter
	Super Plössl 26mm eyepiece
	1.25" and 2" eyepiece holders
	Battery pack for 8 D-cell batteries
	(user-supplied)
	Autostar Controller
Polar Finder Reticle Batteries	Maxell LR41 or equivalent
Net telescope weight	30 lbs.
Net tripod weight	55 lbs.

5" f/9.3 Model AR-5AT, AR-5EC Specifications

Optical design	Achromatic Refractor
Clear aperture	5" (127mm)
Focal length	1180mm
Focal ratio (photographic speed)	f/9.3
Resolving power	0.90 arc secs
Coatings	Meade EMC Super Multi-Coatings
Mounting	Die-cast aluminum
Input Voltage	12v DC
Alignment	German-type equatorial mount
Slew Speeds	SN-8: 1x sidereal to 4.5°/sec
	in 9 increments
	SN-8EC: 2x sidereal to 4.5°/sec
	in 4 increments
Tripod	Variable-height field tripod
Accessories	8 x 50mm finder
	1.25" diagonal
	Super Plössl 26mm eyepiece
	1.25" and 2" eyepiece holders
	Battery pack for 8 D-cell batteries
	(user-supplied)
	AR-5: Autostar Controller
	AR-5EC: Electronic Controller
Polar Finder Reticle Batteries	Maxell LR41 or equivalent
Net telescope weight	15 lbs.
Net tripod weight	35 lbs.

6" f/8 Model AR-6AT Specifications

Optical design	Achromatic Refractor
Clear aperture	6" (152mm)
Focal length	1200mm
Focal ratio (photographic speed)	f/8
Resolving power	0.74 arc secs
Coatings	Meade EMC Super Multi-Coatings
Mounting	Die-cast aluminum
Input Voltage	12v DC

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Meade LXD 75-Series instruction manual 10 f/4 Model SN-10ATSpecifications, 5 f/9.3 Model AR-5AT, AR-5ECSpecifications

Contents

LXD 75 -SeriesTelescopes Instruction ManualPage CONTENTS d BC1^ g f e e d B1&3$ LXD75-Series:YourPersonal Window to the Universe 2$ Computer Control Panel see Fig. 1e Join an Astronomy Club, Attend a Star Party LXD75 TIPSTour the Cosmos with Just the Push of a Button AUTOSTAR FEATURESI GK J FeaturesPage Motor Assembly GETTING STARTEDHow to Assemble Your Telescope Telescope AssemblySecondary Fig. 9a: Viewfinder assemblyCradle Assembly Slot Newtonian reflector modelsBalancing the Telescope A B C D E FChoosing an Eyepiece Fig. 14b: Viewfinder assembly, Newtonian modelsAligning the Viewfinder LXD75 TIPS Too Much Power?Observing by Moving the Telescope Manually Slew Speeds Autostar Models Only Activate the Arrow Keys Autostar Models OnlyTracking Objects Setting the Polar Home PositionObserve the Moon Which One’s the Alignment Star? Initializing Autostar Autostar Models Only Training the Drive Autostar Models Only Go To Saturn Autostar Models Only Easy Alignment Autostar Models OnlyUsing the Guided Tour Autostar Models Only Example BASIC AUTOSTAR OPERATIONAutostar Navigation Exercise AutostarLXD75 TIPS Look into the FutureEntering Data into Autostar Navigating AutostarSelect Item Event AUTOSTARS MENUSSelect Item Setup Select Item ObjectObject Menu MENUSNever use aMeade Event MenuGlossary Menu Utilities MenuSetup Menu LXD75 TIPS Observing Considerations Site provides access to several options including LXD75 TIPS Surf the WebTo Edit a Site USEFUL AUTOSTAR PROCEDURESAdding Observing Sites To Add a Site to the user-definedsite listTo GO TO a user-enteredobject To Add a landmark to the database Observing SatellitesLandmarks To perform a Landmark Survey To Check on the Available MemoryTo Select a landmark from the database Photography with Meade’s Autostar Suite d C BPHOTOGRAPHY Fig. 26: #905 Variable Polarizer OPTIONAL ACCESSORIESFig. 24: Series 4000 Eyepieces Fig. 25: #140 2x Barlow LensFig. 29: Series 4000 Nebular Filters Fig. 28: Series 4000 Photo-VisualPage General Maintenance MAINTENANCEf Primary mirror clips b c d e f gb Focuser drawtube c Diagonal mirror d Reflection of primary mirrorPage Fig. 33b: Collimation screws Caution: Do not force the three collimationPage Fig. Fig.Fig. Fig.8 f/4 Model SN-8AT, SN-8ECSpecifications SPECIFICATIONS6 f/5 Model SN-6AT, SN-6ECSpecifications 6 f/8 Model AR-6ATSpecifications 10 f/4 Model SN-10ATSpecifications5 f/9.3 Model AR-5AT, AR-5ECSpecifications 6 f/5 Model N-6ECSpecifications 8 f/10 Model SC-8ATSpecificationsInspecting the Optics Autostar SpecificationsAutostar Dimensions Meade Customer ServiceSetting Circles APPENDIX A: CELESTIAL COORDINATESTwo-StarPolar Alignment Locating the Celestial PolePolar Alignment One-StarPolar AlignmentEnhancement Methods Method #1: Three-StarAlignment Using AutostarAPPENDIX B: ENHANCING POINTING PRECISION The Polar Alignment ViewfinderMethod 2: Axis Alignment Procedures Step Fig. 47: Cradle adjustment screwsProcedure #2: Step Fig. 45: Position A Fig. 46: Position BTips Method 3: Axis Alignment Using AutostarPEC Erase Menu Option PEC Update Menu OptionPEC Train Menu Option State/Prov./Country APPENDIX C: LATITUDE CHARTLatitude Chart for Major Cities of the World CityLight No APPENDIX D: EC HANDBOX35 4 Important NoteSlew Speeds Modes of OperationStep Tracking RatesStep StepChanging the Polar Mode Screws at the back-endof the bracket How to Attach the Optical Tube to the MountScrews at the back-endof the bracket Slot Groove Locking KnobsThe Moon APPENDIX F: BASIC ASTRONOMYAutostar Glossary Objects in SpaceDeep-SkyObjects PlanetsBooks Further StudyLXD75 TIPS TopicsPage 14-7500-017/04 MEADE LIMITED WARRANTY