Lens category
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Lens mount
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Type

Pentax K Prime Lenses

#1

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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Length 28 mm
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Aperture f/1.9
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Min focal length 43 mm
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Diameter 64 mm
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Max focal length 43 mm
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Weight 156 g
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Auto focus Yes
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Zoom range 1x
#2

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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Length 64 mm
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Aperture f/2.8
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Min focal length 100 mm
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Diameter 81 mm
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Max focal length 100 mm
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Weight 340 g
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Auto focus Yes
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Zoom range 1x
#3

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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Length 38 mm
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Aperture f/1.8
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Min focal length 50 mm
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Diameter 64 mm
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Max focal length 50 mm
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Weight 122 g
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Auto focus Yes
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Zoom range 1x
#4

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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Length 66 mm
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Aperture f/2.8
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Min focal length 50 mm
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Diameter 66 mm
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Max focal length 50 mm
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Weight 264 g
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Auto focus Yes
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Zoom range 1x
#5

Samyang 14mm f/2.8 IF ED UMC Pentax K

Samyang 14mm f/2.8 IF ED UMC Pentax K
 
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Wide angle lens
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14 mm
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Length 95 mm
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Aperture f/2.8
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Min focal length 14 mm
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Diameter 87 mm
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Max focal length 14 mm
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Weight 0.5 kg
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Auto focus No
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Zoom range 1x
#6

Pentax SMC DA* 300mm f/4 ED SDM

Pentax SMC  DA* 300mm f/4 ED SDM

"Stellar performer. Very sharp, and works well with in-body stabilisation, which is more noticable/effective at this focal length. Suprisingly good bokeh! This has now become my default lens bushwalking, with a shorter macro and wide prime in the bag. Very versatile thanks to close minimum focus distance. Not as big as imagined. About as heavy as expected (not light, but probably good for this class of lens). Overall GREAT and well worth the investment." bhphotovideo.com

 
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Great telephoto lens
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300 mm
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Length 183 mm
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Aperture f/4
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Min focal length 300 mm
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Diameter 84 mm
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Max focal length 300 mm
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Weight 1.1 kg
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Auto focus Yes
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Zoom range 1x
#7

Pentax SMC DA* 200mm f/2.8 ED SDM

Pentax SMC  DA* 200mm f/2.8 ED SDM

"Extremely well built, weather sealed, fast, and sharp at all F-stops." bhphotovideo.com

 
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Great telephoto lens
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200 mm
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Length 135 mm
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Aperture f/2.8
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Min focal length 200 mm
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Diameter 84 mm
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Max focal length 200 mm
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Weight 0.8 kg
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Auto focus Yes
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Zoom range 1x
#8

Pentax SMC DA 560mm f/5.6 ED AW

Pentax SMC DA 560mm f/5.6 ED AW
 
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Great telephoto lens
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560 mm
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Length 522 mm
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Aperture f/5.6
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Min focal length 560 mm
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Diameter 130 mm
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Max focal length 560 mm
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Weight 3 kg
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Auto focus Yes
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Zoom range 1x
#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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Wide angle lens
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10 mm
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Length 105 mm
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Aperture f/2.8
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Min focal length 10 mm
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Diameter 86 mm
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Max focal length 10 mm
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Weight 0.6 kg
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Auto focus No
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Zoom range 1x
#10

Lensbaby Velvet 56mm f/1.6 Pentax K

Lensbaby Velvet 56mm f/1.6 Pentax K
 
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Wide aperture
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f/1.6
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Length n/a
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Aperture f/1.6
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Min focal length 56 mm
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Diameter n/a
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Max focal length 56 mm
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Weight 400 g
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Auto focus No
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Zoom range 1x