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How to pick a telescopeTerms
   Airy Disk
   Altazimuth Mount
   Aperture
   Armored
   Aperture Mask
   Apochromat
   Astigmatism
   Astronomical Binoculars
   Averted Vision
   Blooming
   Cassegrain
   Catadioptric Telescope
   CCD Point, Cluster, and Column Defects
   Close Focus
   Collimation
   Color correction
   Coma
   Crayford Focuser
   Curvature of Field
   Dawes' Limit
   Declination
   Diffraction
   Diffraction-Limited
   Distortion
   Dobsonian Telescope
   Equatorial Mount
   Exit Pupil
   Eye Relief
   Eyepiece
   Field curvature
   Focal Length
   Focal Ratio
   Fork Mount
   German Equatorial Mount
   Ghosting
   Highest Useful Magnification
   Interpupillary Distance
   Limiting Magnitude
   Magnification
   Magnitude
   Maksutov-Cassegrain
   Newtonian Reflector
   Number of optical elements
   Objective
   Optical Type
   Phase Coatings
   Photographic Focal Length
   Photographic Focal Ratio
   Rayleigh Criterion
   Recollimation
   Refractor
   Relative Brightness
   Resolution
   Rich Field Telescope (RFT)
   Right Ascension
   Ritchey-Chrétien
   Schmidt-Cassegrain Telescope (SCT)
   Seeing
   Setting Circles
   Spherical Aberration
   Spotting Scope
   Star-Hopping
   Transparency
   Twilight Factor



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Toll-Free Telephone Astronomics: 800-422-7876; Christophers, Ltd.: 800-356-6603
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Astronomics / Christophers, Ltd.
680 S.W. 24th Ave.
Norman, OK, 73069


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