Monday, May 31, 2010

Questar specs

Digging out the specifications for the Questar...
  • focal length (for visual observing): 1150 mm
  • focal ratio: 13.0
  • resolution: 1.30 arc-seconds
  • maximum power: 175
  • minimum power: 13
The finder lens offers 4x or 8x with a 12° or 8° field.

The included eyepieces are a 26 mm Koenig-style and 13 mm Erfle-style, with a 50° and 75° apparent field respectively.

The integrated Amplifying/Barlow lens is has a minus 43.9 mm focal length.

Amazing machine.

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