Wide angle focal length
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Lens category
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Lens mount
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Pentax K Lenses that are 35mm or wider

#1

Pentax SMC FA 31mm f/1.8

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"A thing of beauty that takes stunning photos." bhphotovideo.com

 
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Wide aperture
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f/1.8
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Min focal length 31 mm
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Max focal length 31 mm
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Zoom range 1x
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Aperture f/1.8
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Fisheye No
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Diameter 66 mm
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Fixed aperture n/a
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Length 69 mm
#2

Pentax SMC DA 12-24mm f/4 ED AL

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"After 1 year use, this lens is must-take for me now." bhphotovideo.com

 
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Fixed aperture
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The same maximum aperture at all focal lengths
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Min focal length 12 mm
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Max focal length 24 mm
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Zoom range 2x
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Aperture f/4
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Fisheye No
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Diameter 84 mm
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Fixed aperture Yes
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Length 86 mm
#3

Pentax SMC HD DA 20-40mm f/2.8-4 ED DC WR

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Min focal length 20 mm
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Max focal length 40 mm
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Zoom range 2x
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Aperture f/2.8
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Fisheye No
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Diameter 71 mm
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Fixed aperture No
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Length 69 mm
#4

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

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Great zoom range
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7.5x
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Min focal length 18 mm
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Max focal length 135 mm
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Zoom range 7.5x
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Aperture f/3.5
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Fisheye No
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Diameter 74 mm
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Fixed aperture No
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Length 76 mm
#5

Pentax SMC DA 18-55mm f/3.5-5.6 AL WR

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"This lens is workhorses, very nice contrast, fast autofocus, WR is very nice, just like water proof, I took alot pictures during raining, white water rafting, biking." bhphotovideo.com

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Min focal length 18 mm
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Max focal length 55 mm
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Zoom range 3.1x
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Aperture f/3.5
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Fisheye No
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Diameter 69 mm
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Fixed aperture No
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Length 69 mm
#6

Pentax SMC DA 10-17mm f/3.5-4.5 ED

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"I am very pleased with this lens so far. It is built well and shots are very clear. " bhphotovideo.com

 
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Fisheye
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Extremely wide circular images
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Min focal length 10 mm
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Max focal length 17 mm
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Zoom range 1.7x
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Aperture f/3.5
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Fisheye Yes
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Diameter 69 mm
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Fixed aperture No
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Length 71 mm
#7

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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Great telephoto lens
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270 mm
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Min focal length 18 mm
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Max focal length 270 mm
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Zoom range 15x
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Aperture f/3.5
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Fisheye No
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Diameter 76 mm
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Fixed aperture No
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Length 89 mm
#8

Pentax SMC 35mm DA L f/2.4 AL

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Min focal length 35 mm
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Max focal length 35 mm
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Zoom range 1x
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Aperture f/2.4
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Fisheye No
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Diameter 64 mm
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Fixed aperture n/a
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Length 46 mm
#9

Pentax SMC DA* 16-50mm f/2.8 ED SDM

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"Great construction, versatile and great image quality, especially the diaphragm closing a little more than 16mm focal length." bhphotovideo.com

 
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Fixed aperture
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The same maximum aperture at all focal lengths
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Min focal length 16 mm
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Max focal length 50 mm
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Zoom range 3.1x
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Aperture f/2.8
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Fisheye No
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Diameter 84 mm
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Fixed aperture Yes
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Length 99 mm
#10

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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Min focal length 18 mm
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Max focal length 300 mm
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Zoom range 16.7x
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Aperture f/3.5
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Fisheye No
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Diameter 79 mm
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Fixed aperture No
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Length 102 mm