Telephoto focal length
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A football shot from the Jets vs the Eagles

Pentax K Sports lenses that have a 100mm or longer focal length

#1

Pentax SMC DA* 50-135mm f/2.8 ED SDM

Pentax SMC  DA* 50-135mm f/2.8 ED SDM

"Great lens for taking pictures of the kids, fast, smooth zoom and I don't have to be in their face to get a shot, very sharp pictures..." bhphotovideo.com

 
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Supports autofocus
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Easier to use
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Max focal length 135 mm
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Length 137 mm
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Auto focus Yes
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Weight 0.7 kg
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Min focal length 50 mm
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Zoom range 2.7x
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Diameter 76 mm
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Aperture f/2.8
#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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Quite short
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64 mm
 
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Supports autofocus
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Easier to use
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Max focal length 100 mm
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Length 64 mm
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Auto focus Yes
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Weight 340 g
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Min focal length 100 mm
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Zoom range 1x
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Diameter 81 mm
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Aperture f/2.8
#3

Pentax SMC HD D FA* 70-200mm f/2.8 ED DC AW

Pentax SMC HD D FA* 70-200mm f/2.8 ED DC AW
 
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Supports autofocus
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Easier to use
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Max focal length 200 mm
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Length 203 mm
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Auto focus Yes
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Weight 1.8 kg
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Min focal length 70 mm
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Zoom range 2.9x
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Diameter 92 mm
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Aperture f/2.8
#4

Rokinon 135mm f/2 ED UMC Pentax K

Rokinon 135mm f/2 ED UMC Pentax K
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Max focal length 135 mm
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Length n/a
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Auto focus No
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Weight 0.8 kg
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Min focal length 135 mm
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Zoom range 1x
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Diameter n/a
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Aperture f/2
#5

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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Supports autofocus
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Easier to use
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Max focal length 200 mm
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Length 135 mm
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Auto focus Yes
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Weight 0.8 kg
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Min focal length 200 mm
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Zoom range 1x
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Diameter 84 mm
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Aperture f/2.8
#6

Pentax SMC DAA* 50-135mm f/2.8 ED SDM

Placeholder
 
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Supports autofocus
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Easier to use
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Max focal length 135 mm
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Length n/a
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Auto focus Yes
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Weight 0.7 kg
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Min focal length 50 mm
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Zoom range 2.7x
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Diameter n/a
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Aperture f/2.8
#7

Rokinon 100mm f/2.8 Macro Pentax K

Rokinon 100mm f/2.8 Macro Pentax K
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Max focal length 100 mm
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Length 122 mm
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Auto focus No
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Weight 0.7 kg
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Min focal length 100 mm
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Zoom range 1x
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Diameter 73 mm
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Aperture f/2.8
#8

Samyang 100mm f/2.8 ED UMC Macro Pentax K

Placeholder
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Max focal length 100 mm
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Length 122 mm
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Auto focus No
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Weight 0.7 kg
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Min focal length 100 mm
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Zoom range 1x
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Diameter 73 mm
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Aperture f/2.8
#9

Samyang 135mm f/2 ED UMC Pentax K

Samyang 135mm f/2 ED UMC Pentax K
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Max focal length 135 mm
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Length 121 mm
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Auto focus No
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Weight 0.8 kg
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Min focal length 135 mm
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Zoom range 1x
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Diameter 82 mm
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Aperture f/2
#10

Sigma 300mm f/2.8 EX DG Pentax K

Sigma 300mm f/2.8 EX DG Pentax K

"It is fast in auto focus and I didn't miss a shot when trying to photograph snow geese!" bhphotovideo.com

 
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Great telephoto lens
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300 mm
 
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Supports autofocus
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Easier to use
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Max focal length 300 mm
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Length 213 mm
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Auto focus Yes
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Weight 2.4 kg
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Min focal length 300 mm
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Zoom range 1x
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Diameter 119 mm
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Aperture f/2.8