FisheyePentax Q
Product
Pentax Q 8.5mm f/1.9 Standard Prime (01) is a auto focus fisheye lens for 16mm cameras.
Optical design
Has 5 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle. Wide open, subjects located outside the depth of field are shown very blurred.
Physical characteristics
Weights 36 grams so convinient to …
Pentax Q
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