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Vancouver downtown fisheye shot

Pentax K Fisheye lenses for less than $600 that have a f/2.8 or faster aperture

#1

Rokinon 12mm f/2.8 ED AS IF NCS UMC Pentax K

Rokinon 12mm f/2.8 ED AS IF NCS UMC Pentax K
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Aperture f/2.8
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Diameter 77 mm
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Auto focus No
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Zoom range 1x
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Weight 0.5 kg
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Fisheye Yes
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Length 71 mm
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Tilt-shift No
#2

Samyang 12mm f/2.8 ED AS NCS Pentax-k

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Supports autofocus
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Easier to use
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Aperture f/2.8
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Diameter n/a
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Auto focus Yes
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Zoom range 1x
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Weight 0.5 kg
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Fisheye Yes
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Length n/a
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Tilt-shift No