Wide angle focal length
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Pentax K-1
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Focus motor
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Pentax K-1

Pentax K-1 Lenses that have a Sigma HSM focus motor and are 6mm or wider

#1

Sigma 4.5mm f/2.8 EX DC HSM Pentax K

Sigma 4.5mm f/2.8 EX DC HSM Pentax K
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Min focal length 4.5 mm
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Diameter 76 mm
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Focus motor Sigma HSM
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Auto focus Yes
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Weight 470 g
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Zoom range 1x
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Length 79 mm
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Fisheye Yes