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Pentax K-5
Lens category
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Pentax K-5

Pentax K-5 Portrait lenses made by Sigma for less than $500 that are 24mm or wider and have a f/2.8 or faster aperture

#1

Sigma 17-50mm f/2.8 EX DC HSM Pentax K

Sigma 17-50mm f/2.8 EX DC HSM Pentax K
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Min focal length 17 mm
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Diameter 84 mm
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Aperture f/2.8
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Auto focus Yes
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Weight 0.6 kg
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Zoom range 2.9x
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Length 91 mm
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Fixed aperture Yes