User manual can be downloaded here: Download
• The 45mm focal length provides a natural appearance, approximating
how we perceive a scene with our own eyes even more naturally than
a 50mm lens. It is perfect for general purpose use and could live on
your Sony at all times.
• It will provide optimal quality still images and video with both Sony
Full Frame and APS-C image sensor cameras. For Sony APS-C camera
users the lens is equivalent to approximately 67.5mm to provide an
angle of view of a moderate telephoto.
• Seven elements in six groups, including two Aspherical and one
Extra-low Dispersion plus Ultra Multi Coating, are utilized to minimize
aberrations and increase sharpness for impressive image quality.
• The AF (autofocus) is optimized for quiet, fast, and precise focus
detection with mirrorless cameras.
• The IF (Internal Focus) design prevents both changes length and front
element rotation for easy use with polarizing and other filters where
positioning must be maintained.