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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