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Pentax K Lenses for less than $700 that are 35mm or wider and have a f/2.8 or faster aperture

#1

Samyang 35mm f/1.4 AS UMC Pentax K

Samyang 35mm f/1.4 AS UMC Pentax K
 
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Wide aperture
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f/1.4
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Aperture f/1.4
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Diameter 83 mm
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Min focal length 35 mm
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Length 110 mm
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Auto focus No
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Weight 0.7 kg
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Fisheye No
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Zoom range 1x
#2

Pentax SMC 35mm DA L f/2.4 AL

Pentax SMC 35mm DA L f/2.4 AL
 
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Supports autofocus
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Easier to use
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Aperture f/2.4
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Diameter 64 mm
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Min focal length 35 mm
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Length 46 mm
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Auto focus Yes
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Weight 125 g
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Fisheye No
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Zoom range 1x
#3

Pentax SMC 35mm f/2 FA AL

Pentax SMC 35mm f/2 FA AL
 
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Supports autofocus
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Easier to use
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Aperture f/2
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Diameter 64 mm
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Min focal length 35 mm
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Length 46 mm
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Auto focus Yes
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Weight 200 g
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Fisheye No
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Zoom range 1x
#4

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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Aperture f/2.8
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Diameter 71 mm
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Min focal length 20 mm
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Length 69 mm
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Auto focus Yes
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Weight 283 g
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Fisheye No
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Zoom range 2x
#5

Pentax SMC HD DA 35mm f/2.8 Macro

Pentax SMC HD DA 35mm f/2.8 Macro
 
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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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Diameter 64 mm
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Min focal length 35 mm
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Length 46 mm
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Auto focus Yes
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Weight 213 g
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Fisheye No
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Zoom range 1x
#6

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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Diameter 86 mm
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Min focal length 10 mm
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Length 78 mm
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Auto focus No
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Weight 0.6 kg
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Fisheye No
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Zoom range 1x
#7

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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Aperture f/2.8
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Diameter 77 mm
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Min focal length 12 mm
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Length 71 mm
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Auto focus No
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Weight 0.5 kg
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Fisheye Yes
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Zoom range 1x
#8

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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Diameter 87 mm
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Min focal length 14 mm
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Length 95 mm
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Auto focus No
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Weight 0.5 kg
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Fisheye No
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Zoom range 1x
#9

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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Diameter 83 mm
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Min focal length 16 mm
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Length 88 mm
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Auto focus No
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Weight 0.6 kg
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Fisheye No
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Zoom range 1x
#10

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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Diameter 86 mm
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Min focal length 10 mm
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Length 105 mm
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Auto focus No
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Weight 0.6 kg
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Fisheye No
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Zoom range 1x