Using the Lens Cap Aperture Stop with Refractor Telescopes................................................................ 32
ASTROPHOTOGRAPHY........................................................................................................................................... 33
Piggyback Photography............................................................................................................................ 33
Short Exposure Prime Focus Photography for Refractors & Newtonians................................................ 34
Short Exposure Prime Focus Photography for Schmidt-Cassegrains.......................................................34
Eyepiece Projection for a Schmidt-Cassegrain.........................................................................................35
Long Exposure Prime Focus Photography............................................................................................... 36
Planetary and Lunar Photography with Special Imagers.......................................................................... 37
CCD Imaging for Deep Sky Objects........................................................................................................ 38
Terrestrial Photography............................................................................................................................ 38
Metering................................................................................................................................................... 38
Reducing Vibration.................................................................................................................................. 38
TELESCOPE MAINTENANCE................................................................................................................................. 39
Care and Cleaning of the Optics...............................................................................................................39
Collimation of Refractors......................................................................................................................... 39
Collimation of a Schmidt-Cassegrain....................................................................................................... 40
Collimation of a Newtonian..................................................................................................................... 42
OPTIONAL ACCESSORIES.....................................................................................................................................46
APPENDIX A TECHNICAL SPECIFICATIONS................................................................................................. 49
APPENDIX B - GLOSSARY OF TERMS..................................................................................................................50
SKY MAPS....................................................................................................................................................................53
CELESTRON TWO YEAR WARRANTY................................................................................................................ 59
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