PHYSICAL SPECIFICATION
Lens mount: PENTAX KAF mount
Aperture control: Automatic
Metering system: TTL open-aperture metering
Number of diaphragm blades: 6
Filter size: n/a
Dimensions (diameter x length): 68 x 71.5mm Weight: 320g
OPTICAL SPECIFICATION
Lens construction: 10 elements in 8 groups
Angle of view: 180?-100? (when used with *istD-Series camera body)
Minimum aperture: F22 - F32
Minimum focusing distance: 0.14m
Maximum magnification: 0.23X - 0.39X
Mounted on the PENTAX *ist D series of digital SLRs, the DA Fish-Eye 10-17mm lens will capture fish-eye imagery with a 180 degree angle of view and a focal length of 10mm as well as super wide-angle performance. Capture images with an expanded perspective including creative deformation of subjects and sharp pan focus that extends throughout the entire frame. The image circle in DA-series lenses is designed to perfectly match the 23.5mm x 15.7mm size of the CCD used in PENTAX digital SLRs to optimize camera performance. The new design also contributes to a drastic reduction in size, weight and production cost, compared to 35mm-format counterparts with similar specifications.
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