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Pentax K-5
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Pentax K-5

Pentax K-5 Portrait lenses made by Sigma for less than $500

#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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Fixed aperture
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The same maximum aperture at all focal lengths
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Zoom range 2.9x
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Diameter 84 mm
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Fixed aperture Yes
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Length 91 mm
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Max focal length 50 mm
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Weight 0.6 kg
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Aperture f/2.8
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Min focal length 17 mm
#2

Sigma 18-300mm f/3.5-6.3 DC MACRO HSM Contemporary Pentax K

Sigma 18-300mm f/3.5-6.3 DC MACRO HSM Contemporary Pentax K
 
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Great zoom range
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16.7x
 
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Great telephoto lens
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300 mm
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Zoom range 16.7x
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Diameter 79 mm
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Fixed aperture No
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Length 102 mm
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Max focal length 300 mm
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Weight 0.6 kg
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Aperture f/3.5
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Min focal length 18 mm