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Pentax K Lenses that are 18mm or wider and have a 100mm or longer focal length

#1

Pentax SMC DAA 18-270mm f/3.5-6.3 ED SDM

Pentax SMC  DAA 18-270mm f/3.5-6.3 ED SDM
 
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Great zoom range
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15x
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Max focal length 270 mm
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Length 89 mm
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Min focal length 18 mm
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Weight 453 g
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Zoom range 15x
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Auto focus Yes
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Diameter 76 mm
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Fixed aperture No
#2

Pentax SMC DA 18-135mm f/3.5-5.6 ED AL DC WR

Pentax SMC  DA 18-135mm f/3.5-5.6 ED AL DC WR
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Max focal length 135 mm
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Length 76 mm
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Min focal length 18 mm
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Weight 405 g
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Zoom range 7.5x
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Auto focus Yes
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Diameter 74 mm
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Fixed aperture No
#3

Sigma 18-250mm f/3.5-6.3 DC Macro HSM Pentax K

Sigma 18-250mm f/3.5-6.3 DC Macro HSM Pentax K
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Max focal length 250 mm
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Length 89 mm
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Min focal length 18 mm
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Weight 472 g
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Zoom range 13.9x
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Auto focus Yes
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Diameter 74 mm
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Fixed aperture No
#4

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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Max focal length 300 mm
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Length 102 mm
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Min focal length 18 mm
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Weight 0.6 kg
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Zoom range 16.7x
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Auto focus Yes
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Diameter 79 mm
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Fixed aperture No
#5

Sigma 18-200mm f/3.5-6.3 DC Macro HSM Pentax K

Sigma 18-200mm f/3.5-6.3 DC Macro HSM Pentax K
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Max focal length 200 mm
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Length 86 mm
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Min focal length 18 mm
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Weight 431 g
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Zoom range 11.1x
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Auto focus Yes
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Diameter 71 mm
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Fixed aperture No
#6

Sigma 18-200mm f/3.5-6.3 II DC HSM Pentax K

Sigma 18-200mm f/3.5-6.3 II DC HSM Pentax K
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Max focal length 200 mm
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Length 88 mm
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Min focal length 18 mm
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Weight 490 g
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Zoom range 11.1x
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Auto focus Yes
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Diameter 75 mm
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Fixed aperture No
#7

Tamron 18-200mm f/3.5-6.3 XR Di-II Macro Pentax K

Tamron 18-200mm f/3.5-6.3 XR Di-II Macro Pentax K

"It was already an excellent buy, but the rebate made it even more terrific. It will be my all-in-one lens on my Pentax K-x, as its range from 27mm to 300mm is all I need." bhphotovideo.com

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Max focal length 200 mm
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Length 84 mm
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Min focal length 18 mm
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Weight 398 g
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Zoom range 11.1x
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Auto focus Yes
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Diameter 74 mm
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Fixed aperture No