Wide angle focal length
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Camera
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Pentax K-5
Lens category
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Pentax K-5

Pentax K-5 Lenses for less than $800 that are 24mm or wider

#11

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

Pentax SMC HD DA 20-40mm f/2.8-4 ED DC WR
 
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Supports autofocus
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Easier to use
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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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Length 69 mm
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Fisheye No
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Diameter 71 mm
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Fixed aperture No
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Aperture f/2.8
#12

Rokinon 10mm f/2.8 ED AS NCS CS Pentax K

Rokinon 10mm f/2.8 ED AS NCS CS Pentax K
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Min focal length 10 mm
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Max focal length 10 mm
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Zoom range 1x
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Length 78 mm
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Fisheye No
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Diameter 86 mm
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Fixed aperture n/a
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Aperture f/2.8
#13

Rokinon 12mm f/2.8 ED AS IF NCS UMC Pentax K

Rokinon 12mm f/2.8 ED AS IF NCS UMC Pentax K
 
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Fisheye
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Extremely wide circular images
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Min focal length 12 mm
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Max focal length 12 mm
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Zoom range 1x
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Length 71 mm
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Fisheye Yes
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Diameter 77 mm
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Fixed aperture n/a
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Aperture f/2.8
#14

Rokinon 14mm f/2.8 IF ED UMC Pentax K

Rokinon 14mm f/2.8 IF ED UMC Pentax K
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Min focal length 14 mm
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Max focal length 14 mm
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Zoom range 1x
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Length 95 mm
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Fisheye No
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Diameter 87 mm
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Fixed aperture n/a
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Aperture f/2.8
#15

Rokinon 16mm f/2 ED AS UMC CS Pentax K

Rokinon 16mm f/2 ED AS UMC CS Pentax K
 
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Wide aperture
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f/2
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Min focal length 16 mm
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Max focal length 16 mm
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Zoom range 1x
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Length 88 mm
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Fisheye No
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Diameter 83 mm
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Fixed aperture n/a
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Aperture f/2
#16

Rokinon 24mm f/3.5 ED AS UMC Pentax K

Rokinon 24mm f/3.5 ED AS UMC Pentax K
 
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Tilt-shift
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Incredible selective focus
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Min focal length 24 mm
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Max focal length 24 mm
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Zoom range 1x
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Length 113 mm
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Fisheye No
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Diameter 86 mm
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Fixed aperture n/a
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Aperture f/3.5
#17

Rokinon 8mm f/3.5 HD Pentax K

Rokinon 8mm f/3.5 HD Pentax K
 
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Fisheye
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Extremely wide circular images
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Min focal length 8 mm
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Max focal length 8 mm
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Zoom range 1x
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Length 77 mm
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Fisheye Yes
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Diameter 75 mm
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Fixed aperture n/a
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Aperture f/3.5
#18

Samyang 10mm f/2.8 ED AS NCS CS Pentax K

Samyang 10mm f/2.8 ED AS NCS CS Pentax K
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Min focal length 10 mm
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Max focal length 10 mm
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Zoom range 1x
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Length 105 mm
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Fisheye No
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Diameter 86 mm
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Fixed aperture n/a
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Aperture f/2.8
#19

Samyang 14mm f/2.8 IF ED UMC Pentax K

Samyang 14mm f/2.8 IF ED UMC Pentax K
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Min focal length 14 mm
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Max focal length 14 mm
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Zoom range 1x
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Length 95 mm
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Fisheye No
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Diameter 87 mm
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Fixed aperture n/a
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Aperture f/2.8
#20

Sigma 10-20mm f/3.5 EX DC HSM Pentax K

Sigma 10-20mm f/3.5 EX DC HSM Pentax K

"This lens is absolutely great for scenery and landscape. I did a lot of research for a good wide-angle lens and for the price this lens was definitely my favorite." bhphotovideo.com

 
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Fixed aperture
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The same maximum aperture at all focal lengths
 
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Supports autofocus
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Easier to use
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Min focal length 10 mm
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Max focal length 20 mm
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Zoom range 2x
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Length 89 mm
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Fisheye No
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Diameter 86 mm
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Fixed aperture Yes
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Aperture f/3.5