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48-Inch Schmidt Telescope, Mount Wilson

48-Inch Schmidt Telescope, Mount Wilson Mount Wilson and Palomar Observatories Photograph
Price:
 
$19.95

  

Stock #: 696943
Type: Postcard
Era: Real Photo
Artist: Mount Wilson and Palomar Observatories Photograph
Publisher: Frasher's Inc.
Size: 3.5" x 5.5" (9 x 14 cm)
Additional Details:
Diameter of spherical mirror: 72 inches. Focal length: 121 inches. F ratio: 2.5. The Schmidt Telescope is an extremely efficient high speed, wide angle camera. It is an ideal instrument for survey and discovery work. The combined use of a concave spherical mirror and correcting plate gives a field in which star images are essentially perfect over the entire area covered by a photograph. Mount Wilson and Palomar Observatories Photograph.

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