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Pentax K Lenses for less than $400

#1

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

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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Fisheye No
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Max focal length 135 mm
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Auto focus Yes
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Diameter 74 mm
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Zoom range 7.5x
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Length 76 mm
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Aperture f/3.5
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Min focal length 18 mm
#2

Samyang 14mm f/2.8 IF ED UMC Pentax K

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

Pentax SMC HD Pentax-DA 55-300mm f/4-5.8 ED WR

Pentax SMC HD Pentax-DA 55-300mm f/4-5.8 ED WR
 
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Great telephoto lens
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300 mm
 
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Great zoom range
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5.5x
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Fisheye No
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Max focal length 300 mm
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Auto focus Yes
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Diameter 71 mm
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Zoom range 5.5x
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Length 112 mm
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Aperture f/4
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Min focal length 55 mm
#4

Pentax SMC DA 50mm f/1.8

Pentax SMC  DA 50mm f/1.8
 
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Wide aperture
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f/1.8
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Fisheye No
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Max focal length 50 mm
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Auto focus Yes
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Diameter 64 mm
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Zoom range 1x
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Length 38 mm
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Aperture f/1.8
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Min focal length 50 mm
#5

Pentax SMC HD DA 21mm f/3.2 AL

Pentax SMC HD DA 21mm f/3.2 AL
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Fisheye No
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Max focal length 21 mm
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Auto focus Yes
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Diameter 64 mm
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Zoom range 1x
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Length 25 mm
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Aperture f/3.2
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Min focal length 21 mm
#6

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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Fisheye Yes
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Max focal length 8 mm
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Auto focus No
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Diameter 75 mm
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Zoom range 1x
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Length 77 mm
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Aperture f/3.5
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Min focal length 8 mm
#7

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

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

"For landscape photos during the winter months and in wet or dusty conditions, it is a great lens." bhphotovideo.com

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Fisheye No
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Max focal length 55 mm
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Auto focus Yes
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Diameter 69 mm
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Zoom range 3.1x
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Length 69 mm
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Aperture f/3.5
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Min focal length 18 mm
#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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Fisheye No
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Max focal length 14 mm
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Auto focus No
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Diameter 87 mm
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Zoom range 1x
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Length 95 mm
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Aperture f/2.8
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Min focal length 14 mm
#9

Pentax SMC 35mm DA L f/2.4 AL

Pentax SMC 35mm DA L f/2.4 AL
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Fisheye No
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Max focal length 35 mm
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Auto focus Yes
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Diameter 64 mm
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Zoom range 1x
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Length 46 mm
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Aperture f/2.4
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Min focal length 35 mm
#10

Pentax SMC FA 50mm f/1.4

Pentax SMC  FA 50mm f/1.4

"I love love love this new lens, the quality of the photos is spectacular if done in the right lighting. I would absolutely recommend for novices and professionals alike." bhphotovideo.com

 
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Wide aperture
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f/1.4
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Fisheye No
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Max focal length 50 mm
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Auto focus Yes
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Diameter 64 mm
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Zoom range 1x
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Length 38 mm
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Aperture f/1.4
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Min focal length 50 mm