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from Fotodiox Pro - Nikon G/FX Lens to Sony NEX & E-mount Cameras w/Focal Reducing Optics & Aperture Control
The advanced Lens Mount Adapter supercharges any Nikon Lens (including G types without an aperture dial) that you attach to a Sony E-Mount camera body. The Excell +1 has additional light focusing optics built into the adapter itself which increases the maximum aperture of your lens by 1 stop, while at the same time making your lens wider by a 0.72x factor - significantly reducing the natural crop factor of your camera!With the Excell + 1 Lens Mount Adapter on your E-Mount camera, you can attach any of your favorite full frame Nikon lenses and get both a wider angle of view (ie, 50mm lens turns

Price is $188.00
Price: $188.12