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Blue mountain view

Pentax K Landscape lenses for less than $300 that have a focus motor, are 18mm or wider and have a f/4 or faster aperture

#1

Pentax SMC HD DA 18-50mm f/4-5.6 DC WR RE

Pentax SMC HD DA 18-50mm f/4-5.6 DC WR RE
 
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Supports autofocus
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Easier to use
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Aperture f/4
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Zoom range 2.8x
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Min focal length 18 mm
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Diameter 71 mm
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Focus motor Generic motor
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Length 41 mm
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Auto focus Yes
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Weight 158 g
#2

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

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

"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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Supports autofocus
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Easier to use
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Aperture f/3.5
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Zoom range 3.1x
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Min focal length 18 mm
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Diameter 69 mm
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Focus motor Generic motor
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Length 69 mm
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Auto focus Yes
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Weight 230 g
#3

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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Zoom range 1x
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Min focal length 14 mm
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Diameter 87 mm
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Focus motor Generic motor
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Length 95 mm
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Auto focus No
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Weight 0.5 kg
#4

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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Aperture f/2
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Zoom range 1x
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Min focal length 16 mm
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Diameter 83 mm
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Focus motor Generic motor
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Length 88 mm
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Auto focus No
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Weight 0.6 kg
#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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Zoom range 1x
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Min focal length 14 mm
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Diameter 87 mm
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Focus motor Generic motor
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Length 95 mm
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Auto focus No
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Weight 0.5 kg