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Pentax K Lenses for less than $500

#1

Pentax SMC DA FA 100mm f/2.8 WR Macro

Pentax SMC  DA FA 100mm f/2.8 WR Macro

"It is light weight, very smooth, very sharp images" bhphotovideo.com

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Auto focus Yes
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Diameter 81 mm
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Zoom range 1x
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Length 64 mm
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Max focal length 100 mm
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Min focal length 100 mm
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Aperture f/2.8
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Weight 340 g
#2

Pentax SMC D FA 50mm f/2.8 Macro

Pentax SMC  D FA 50mm f/2.8 Macro

"As expected this is a fast, versatile lens for taking macro photographs." bhphotovideo.com

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Auto focus Yes
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Diameter 66 mm
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Zoom range 1x
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Length 66 mm
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Max focal length 50 mm
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Min focal length 50 mm
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Aperture f/2.8
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Weight 264 g
#3

Samyang 14mm f/2.8 IF ED UMC Pentax K

Samyang 14mm f/2.8 IF ED UMC Pentax K
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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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Max focal length 14 mm
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Min focal length 14 mm
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Aperture f/2.8
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Weight 0.5 kg
#4

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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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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Max focal length 135 mm
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Min focal length 18 mm
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Aperture f/3.5
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Weight 405 g
#5

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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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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Max focal length 55 mm
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Min focal length 18 mm
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Aperture f/3.5
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Weight 230 g
#6

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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Auto focus Yes
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Diameter 71 mm
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Zoom range 2.8x
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Length 41 mm
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Max focal length 50 mm
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Min focal length 18 mm
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Aperture f/4
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Weight 158 g
#7

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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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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Max focal length 300 mm
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Min focal length 55 mm
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Aperture f/4
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Weight 466 g
#8

Pentax SMC FA 43mm f/1.9

Pentax SMC  FA 43mm f/1.9

"The build quality alone is just so superior; this little beauty is just a joy to handle." bhphotovideo.com

 
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Wide aperture
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f/1.9
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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 28 mm
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Max focal length 43 mm
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Min focal length 43 mm
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Aperture f/1.9
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Weight 156 g
#9

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

Pentax SMC 35mm DA L f/2.4 AL

Pentax SMC 35mm DA L f/2.4 AL
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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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Max focal length 35 mm
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Min focal length 35 mm
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Aperture f/2.4
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Weight 125 g