Telephoto focal length
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Pentax K-1
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Focus motor
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Pentax K-1

Pentax K-1 Lenses that have a generic focus motor and have a 300mm or longer focal length

#1

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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Wide angle lens
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55 mm
 
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Quite short
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112 mm
 
Lowest price
Low price
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$349.99
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Max focal length 300 mm
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Weight 466 g
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Focus motor Generic motor
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Zoom range 5.5x
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Min focal length 55 mm
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Diameter 71 mm
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Length 112 mm
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Aperture f/4
#2

Pentax SMC HD D FA 150-450mm f/4.5-5.6 DC AW

Pentax SMC HD D FA 150-450mm f/4.5-5.6 DC AW
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Max focal length 450 mm
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Weight 2 kg
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Focus motor Generic motor
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Zoom range 3x
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Min focal length 150 mm
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Diameter 95 mm
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Length 242 mm
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Aperture f/4.5
#3

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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Max focal length 560 mm
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Weight 3 kg
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Focus motor Generic motor
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Zoom range 1x
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Min focal length 560 mm
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Diameter 130 mm
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Length 522 mm
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Aperture f/5.6
#4

Sigma 70-300mm f/4-5.6 DG Macro Pentax K

Sigma 70-300mm f/4-5.6 DG Macro Pentax K

"I love it, I can't complain it allows me to take a lot of sweet professional quality pictures without paying out a lot of money." bhphotovideo.com

 
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Wide angle lens
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70 mm
 
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Quite short
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120 mm
 
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Very light
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0.5 kg
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Max focal length 300 mm
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Weight 0.5 kg
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Focus motor Generic motor
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Zoom range 4.3x
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Min focal length 70 mm
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Diameter 77 mm
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Length 120 mm
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Aperture f/4
#5

Tamron 70-300mm f/4-5.6 Di LD Macro Pentax K

Tamron 70-300mm f/4-5.6 Di LD Macro Pentax K

"This lens gives you a functional telephoto lens for the price. Operation is smooth and the image quality is good." bhphotovideo.com

 
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Wide angle lens
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70 mm
 
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Quite short
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117 mm
 
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Very light
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435 g
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Max focal length 300 mm
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Weight 435 g
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Focus motor Generic motor
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Zoom range 4.3x
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Min focal length 70 mm
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Diameter 76 mm
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Length 117 mm
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Aperture f/4
#6

Sigma 300mm f/2.8 EX DG Pentax K

Sigma 300mm f/2.8 EX DG Pentax K

"It's much much sharper, even with a 1.4 TC. I highly recommend this lens." bhphotovideo.com

 
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Wide aperture
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f/2.8
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Max focal length 300 mm
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Weight 2.4 kg
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Focus motor Generic motor
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Zoom range 1x
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Min focal length 300 mm
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Diameter 119 mm
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Length 213 mm
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Aperture f/2.8
#7

Sigma 500mm f/4.5 EX DG APO Pentax K

Sigma 500mm f/4.5 EX DG APO Pentax K
 
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Great telephoto lens
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500 mm
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Max focal length 500 mm
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Weight 3.1 kg
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Focus motor Generic motor
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Zoom range 1x
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Min focal length 500 mm
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Diameter 122 mm
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Length 351 mm
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Aperture f/4.5
#8

Sigma 70-300mm f/4-5.6 APO DG Macro Pentax K

Sigma 70-300mm f/4-5.6 APO DG Macro Pentax K

"I like to take shots from far away so people will act normal when they see a camera. It gets the photos I want and its light weight. " bhphotovideo.com

 
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Wide angle lens
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70 mm
 
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Quite short
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120 mm
 
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Very light
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0.6 kg
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Max focal length 300 mm
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Weight 0.6 kg
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Focus motor Generic motor
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Zoom range 4.3x
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Min focal length 70 mm
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Diameter 76 mm
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Length 120 mm
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Aperture f/4
#9

Tamron 28-300mm f/3.5-6.3 XR Di Pentax K

Tamron 28-300mm f/3.5-6.3 XR Di Pentax K

"We like the 300 mm zoom for bird photos. The auto focus is nice for first time users and occasional users." bhphotovideo.com

 
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Great zoom range
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10.7x
 
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Wide angle lens
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28 mm
 
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Quite short
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84 mm
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Max focal length 300 mm
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Weight 420 g
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Focus motor Generic motor
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Zoom range 10.7x
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Min focal length 28 mm
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Diameter 74 mm
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Length 84 mm
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Aperture f/3.5