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Pentax K Lenses for less than $400

#1

Pentax SMC FA 50mm f/1.4

Pentax SMC  FA 50mm f/1.4

"The pictures are very sharp. Low light is fantastic. I have not found anything I dislike about it." 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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Length 38 mm
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Zoom range 1x
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Diameter 64 mm
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Auto focus Yes
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Max focal length 50 mm
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Aperture f/1.4
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Min focal length 50 mm
#2

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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Length 38 mm
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Zoom range 1x
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Diameter 64 mm
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Auto focus Yes
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Max focal length 50 mm
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Aperture f/1.8
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Min focal length 50 mm
#3

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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Length 76 mm
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Zoom range 7.5x
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Diameter 74 mm
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Auto focus Yes
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Max focal length 135 mm
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Aperture f/3.5
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Min focal length 18 mm
#4

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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Length 69 mm
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Zoom range 3.1x
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Diameter 69 mm
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Auto focus Yes
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Max focal length 55 mm
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Aperture f/3.5
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Min focal length 18 mm
#5

Pentax SMC DA 10-17mm f/3.5-4.5 ED

Pentax SMC  DA 10-17mm f/3.5-4.5 ED

"I am very pleased with this lens so far. It is built well and shots are very clear. " bhphotovideo.com

 
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Fisheye
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Extremely wide circular images
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Fisheye Yes
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Length 71 mm
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Zoom range 1.7x
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Diameter 69 mm
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Auto focus Yes
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Max focal length 17 mm
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Aperture f/3.5
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Min focal length 10 mm
#6

Pentax SMC DA 40mm f/2.8

Pentax SMC  DA 40mm f/2.8

"This lens is light weight and very compact. It is fast enough for low light applications and is built like a tank." bhphotovideo.com

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Fisheye No
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Length 15 mm
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Zoom range 1x
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Diameter 64 mm
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Auto focus Yes
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Max focal length 40 mm
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Aperture f/2.8
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Min focal length 40 mm
#7

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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Length 95 mm
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Zoom range 1x
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Diameter 87 mm
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Auto focus No
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Max focal length 14 mm
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Aperture f/2.8
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Min focal length 14 mm
#8

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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Length 46 mm
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Zoom range 1x
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Diameter 64 mm
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Auto focus Yes
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Max focal length 35 mm
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Aperture f/2.4
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Min focal length 35 mm
#9

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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Length 25 mm
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Zoom range 1x
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Diameter 64 mm
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Auto focus Yes
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Max focal length 21 mm
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Aperture f/3.2
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Min focal length 21 mm
#10

Pentax SMC HD DA 35mm f/2.8 Macro

Pentax SMC HD DA 35mm f/2.8 Macro
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Fisheye No
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Length 46 mm
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Zoom range 1x
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Diameter 64 mm
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Auto focus Yes
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Max focal length 35 mm
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Aperture f/2.8
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Min focal length 35 mm