Vivitar VIV-2X4 Camera Lens User Manual


 
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Specifications
Magnication: 2X
Optical Construction: 4 Elements in 4 Groups
Maximum Aperture of Lens to Ensure AF Operation: F/3.5 or Faster
Coating: Multi-Coating
Exposure Magnication: Approximately 4 times
(equivalent to) (2 Diaphragm)
Depth of Field: 1/2 of Prime Lens