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Observatory
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Telescope
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Pier
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Mount
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Camera
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Miscellaneous
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RCOS 14.5
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FSQ-106 EDX II
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SolarMax II 60
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Meade LX50
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Eyepieces
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Finder Scope 50
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Takahashi FSQ-106 EDX III f/5 Astrograph Telescope
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FSQ-106 New "Q" Flat-Field Super Quadruplet
Specifications
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Optical System
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Modified Four Element Double ED Petzval
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Effective Aperture
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4.2" (106mm)
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Focal Length
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21" (530mm)
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Focal Ratio
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f/5
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Image Circle
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3.5" (88mm)
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Back Focus
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7" (178mm)
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Length of Main Tube
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420 mm or 16.7"
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Tube Diameter
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4.9" (125mm)
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Tube Weight
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15.4 lb. (7 kg.)
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Resolution
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1.09" (28mm)
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Light Gathering Power
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229X, Limiting Mag is 11.9
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Focal Length with Optional Reducer
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15.2'" (385mm)
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F Ratio with Optional Reducer
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3.6
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Image Circle with Optional Reducer
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1.7" (44mm) - light intensity 60%
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Focal Length with Optional Extender
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33.5" (850mm)
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F Ratio with Optional Extender
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8
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Image CIrcle with Optional Extender
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1.7" (44mm) - light intensity 60%
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