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Blue mountain view

Pentax K Landscape lenses for less than $400 that have a f/2.8 or faster aperture

#1

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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Aperture f/2.8
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Max focal length 10 mm
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Auto focus No
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Length 78 mm
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Zoom range 1x
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Weight 0.6 kg
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Diameter 86 mm
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Min focal length 10 mm
#2

Rokinon 14mm f/2.8 IF ED UMC Pentax K

Rokinon 14mm f/2.8 IF ED UMC Pentax K
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Aperture f/2.8
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Max focal length 14 mm
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Auto focus No
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Length 95 mm
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Zoom range 1x
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Weight 0.5 kg
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Diameter 87 mm
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Min focal length 14 mm
#3

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

Rokinon 16mm f/2 ED AS UMC CS Pentax K
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Aperture f/2
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Max focal length 16 mm
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Auto focus No
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Length 88 mm
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Zoom range 1x
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Weight 0.6 kg
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Diameter 83 mm
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Min focal length 16 mm
#4

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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Aperture f/2.8
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Max focal length 10 mm
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Auto focus No
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Length 105 mm
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Zoom range 1x
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Weight 0.6 kg
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Diameter 86 mm
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Min focal length 10 mm
#5

Samyang 14mm f/2.8 IF ED UMC Pentax K

Samyang 14mm f/2.8 IF ED UMC Pentax K
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Aperture f/2.8
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Max focal length 14 mm
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Auto focus No
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Length 95 mm
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Zoom range 1x
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Weight 0.5 kg
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Diameter 87 mm
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Min focal length 14 mm
#6

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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Supports autofocus
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Easier to use
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Aperture f/2.8
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Max focal length 50 mm
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Auto focus Yes
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Length 91 mm
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Zoom range 2.9x
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Weight 0.6 kg
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Diameter 84 mm
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Min focal length 17 mm
#7

Tamron 17-50mm f/2.8 XR Di-II LD [IF] Pentax K

Tamron 17-50mm f/2.8 XR Di-II LD [IF] Pentax K

"It's razor sharp, even wide open. If that's all that matters to you in a lens, stop, do not pass Go! and buy this lens. Bokeh is pleasing for its price range as well." bhphotovideo.com

 
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Supports autofocus
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Easier to use
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Aperture f/2.8
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Max focal length 50 mm
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Auto focus Yes
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Length 81 mm
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Zoom range 2.9x
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Weight 430 g
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Diameter 74 mm
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Min focal length 17 mm