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AF 28mm f/4.5 Aspherical Lens

MFR Part #: 70240
Samy's Part #: S-001649
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The Phase One AF 28mm f/4.5 Aspherical Lens is a a Superb, extreme wide-angle lens for full format digital and is perfect for landscape, architecture and creative control. The full-frame ultra wide angle lens is the world's first medium format 28mm lens that can be used for film and digital backs. The use of aspheric lens elements produces outstanding optical performance. The 28mm f4.5 D is a full-frame, ultrawide lens that utilizes the latest aspheric lens technology to produce high resolution and large image circle coverage for film and digital backs. Since wide angle lenses can cause color shift problems with digital backs (due to the extreme angle at which light rays hit the sensor), the Phase One Digital 28mm f/4.5 D has been designed to direct light rays so that they are parallel when they hit the sensor. Unlike conventionally designed digital lenses, the 28mm f/4.5 Aspherical is designed with the requirement that it works with digital and film systems. It is the world's first 28mm medium format lens with this capability. The Phase One Digital AF 28mm f/4.5 D is ideal for a wide range of applications, including commercial, architectural and outdoor photography.

  • 102° Angle of view
  • 35cm minimum focusing distance
  • Equivalent to 17mm focal length on 35mm DSLR format
  • Widest possible lens
  • Push-Pull Autofocus ring
  • Build in "Tulip" lens hood
  • AF 28mm f/4.5 Aspherical Lens

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Lens Information
Camera Mount Mamiya 645
Focal Length 17mm
Aperture Range f/4.5-f/32
Minimum Focusing Distance 1.15ft or 35cm
Filter Size Sheet filter on rear mount
Groups 80mm
Elements 14
Diagonal Angle Of View 102?
Length 5.35
Maximum Diameter 3.54
Shutter Type AF
Weight 1.9 lbs. or 886g
  • Lens pouch
  • Lens cleaner pen
  • Three Year Value Added Warranty
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