SX-70 Sonar

OBJECT TYPE: Camera
MANUFACTURER: Polaroid Corp.
NATIONALITY: American
PLACE MANUFACTURED: US, MA, Cambridge
OBJECT NAME VARIATION: Polaroid SX-70 Sonar
INTRODUCTION DATE: ca. 1978
FILM TYPE: SX-70
IMAGE SIZE: 3¼ x 3¼ in.
ORIGINAL LIST PRICE: $249.95
FUNCTIONAL TYPES:
  folding
  SLR
  instant
INTEGRATED SHUTTER: Yes

NOTES:
  upgraded version of original SX-70 Land Camera, with Sonar focusing
  original SX-70, "ushered in a new era of instant photography."
  McKeown, 1997.
  SX-70 Sonar OneStep, "use the technology of ultrasonic echo ranging to
  determine focus distance by measuring the time it takes for an
  inaudible sound to reflect from a subject and travel back to the
  camera." (.GEHIF-T)
  "The Polaroid SX-70 Sonar OneStep Land camera automatically focuses in
  any light level, including total darkness. The camera opens from a
  compact 1x4x9" to allow through the lens viewing for taking sharp
  pictures from 10.4 inches to infinity. Sophisticated electronics
  allow for flash pictures up to 20 feet or time exposures up to 14
  seconds. Suggested list price is $249.95." (.GEHIF-T)
  "automatic and manual focusing; low-light indicator; motorized picture
  ejection; 4-element, 116mm precision glass lens; aperture from f8 to
  f74; chrome finish and leather." (.GEHIF-T)

OBJECT IDENTIFIER: P7621.00005

BIBLIOGRAPHIC REFERENCES:
McKeown, Jim & McKeown, Joan. --Price Guide to Antique and Classic Cameras: 1997/1998.-- Grantsburg, WI: Centennial Photo, 1996. p 367-368.//
George Eastman House Information File - Technology Collection.//