SMC Pentax FA645 150mm f2.8
This lens features a large aperture of F2.8 for enabling a natural out-of-focus (bokeh) effect for backgrounds and representations with a three-dimensional feel. This provides delineation performance for landscape photos and portraits. High-refraction low-dispersion glass, extraordinary-low dispersion glass, and other components are used to minimize color blurring and allow sharp imaging performance with high contrast and high resolution. An inner focus system is used for keeping stable, superior imaging performance from the infinity end to the minimum shooting distance, and closeup shooting up to a minimum of 1.2m is possible. A large hood with a PL filter operation window is included for enabling accurate operation of a circular polarizing filter while checking the results through the viewfinder.
Focal length (Equivalent to 35mm format) 150mm(118mm)
Maximum apeture F2.8
Minimum apeture F22
Angle of View 21°
Lens construction 7 elements / 7 groups
No. of diaphragm blades 8
Closest focusing distance 1.2m
Maximum reproduction ratio 0.15x
Filter size 67mm
Diameter x length 74.5 x 96 mm
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