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Pentax K Lenses for less than $600

#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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Fixed aperture n/a
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Diameter 64 mm
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Aperture f/1.4
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Length 38 mm
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Zoom range 1x
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Min focal length 50 mm
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Auto focus Yes
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Max 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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Fixed aperture n/a
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Diameter 64 mm
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Aperture f/1.8
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Length 38 mm
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Zoom range 1x
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Min focal length 50 mm
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Auto focus Yes
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Max focal length 50 mm
#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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Fixed aperture n/a
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Diameter 87 mm
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Aperture f/2.8
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Length 95 mm
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Zoom range 1x
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Min focal length 14 mm
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Auto focus No
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Max focal length 14 mm
#4

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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Fixed aperture n/a
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Diameter 81 mm
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Aperture f/2.8
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Length 64 mm
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Zoom range 1x
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Min focal length 100 mm
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Auto focus Yes
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Max focal length 100 mm
#5

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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Fixed aperture No
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Diameter 74 mm
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Aperture f/3.5
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Length 76 mm
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Zoom range 7.5x
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Min focal length 18 mm
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Auto focus Yes
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Max focal length 135 mm
#6

Pentax SMC HD DA 70mm f/2.4

Pentax SMC HD DA 70mm f/2.4
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Fixed aperture n/a
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Diameter 64 mm
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Aperture f/2.4
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Length 25 mm
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Zoom range 1x
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Min focal length 70 mm
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Auto focus Yes
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Max focal length 70 mm
#7

Pentax SMC 55mm f/1.4 DA* SDM

Pentax SMC 55mm f/1.4 DA* SDM

"This lens produces an accurate reproduction. The f/1.4 aperature has opened-up a whole new range of photo oppurtunities." bhphotovideo.com

 
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Wide aperture
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f/1.4
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Fixed aperture n/a
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Diameter 71 mm
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Aperture f/1.4
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Length 66 mm
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Zoom range 1x
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Min focal length 55 mm
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Auto focus Yes
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Max focal length 55 mm
#8

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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Fixed aperture No
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Diameter 69 mm
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Aperture f/3.5
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Length 69 mm
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Zoom range 3.1x
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Min focal length 18 mm
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Auto focus Yes
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Max focal length 55 mm
#9

Pentax SMC D FA 50mm f/2.8 Macro

Pentax SMC  D FA 50mm f/2.8 Macro

"Very sharp lens, excellent image quality, great colours in the images. A great 50 mm all-rounder." bhphotovideo.com

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Fixed aperture n/a
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Diameter 66 mm
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Aperture f/2.8
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Length 66 mm
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Zoom range 1x
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Min focal length 50 mm
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Auto focus Yes
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Max focal length 50 mm
#10

Pentax SMC DA 17-70mm f/4 AL SDM

Pentax SMC  DA 17-70mm f/4 AL SDM

"Great lens. Renders sharp images with wonderful colors" bhphotovideo.com

 
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Fixed aperture
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The same maximum aperture at all focal lengths
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Fixed aperture Yes
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Diameter 76 mm
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Aperture f/4
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Length 94 mm
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Zoom range 4.1x
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Min focal length 17 mm
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Auto focus Yes
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Max focal length 70 mm