Lens category
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Lens mount
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Focus motor
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Pentax K Lenses that have a generic focus motor

#1

Pentax SMC FA 77mm f/1.8

Pentax SMC  FA 77mm f/1.8

"Great multi-purpose performing lens, particularly if you want to travel light and leave the bag at home." bhphotovideo.com

 
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Wide aperture
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f/1.8
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Focus motor Generic motor
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Aperture f/1.8
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Fisheye No
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Length 48 mm
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Fixed aperture n/a
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Max focal length 77 mm
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Zoom range 1x
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Weight 269 g
#2

Pentax SMC HD DA 70mm f/2.4

Pentax SMC HD DA 70mm f/2.4
 
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Quite short
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25 mm
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Focus motor Generic motor
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Aperture f/2.4
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Fisheye No
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Length 25 mm
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Fixed aperture n/a
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Max focal length 70 mm
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Zoom range 1x
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Weight 130 g
#3

Pentax SMC FA 50mm f/1.4

Pentax SMC  FA 50mm f/1.4

"I love love love this new lens, the quality of the photos is spectacular if done in the right lighting. I would absolutely recommend for novices and professionals alike." bhphotovideo.com

 
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Wide aperture
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f/1.4
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Focus motor Generic motor
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Aperture f/1.4
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Fisheye No
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Length 38 mm
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Fixed aperture n/a
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Max focal length 50 mm
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Zoom range 1x
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Weight 221 g
#4

Pentax SMC DA 10-17mm f/3.5-4.5 ED

Pentax SMC  DA 10-17mm f/3.5-4.5 ED

"I am very pleased with this lens so far. It is built well and shots are very clear. " bhphotovideo.com

 
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Fisheye
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Extremely wide circular images
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Focus motor Generic motor
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Aperture f/3.5
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Fisheye Yes
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Length 71 mm
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Fixed aperture No
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Max focal length 17 mm
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Zoom range 1.7x
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Weight 320 g
#5

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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Fixed aperture
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The same maximum aperture at all focal lengths
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Focus motor Generic motor
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Aperture f/2.8
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Fisheye No
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Length 203 mm
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Fixed aperture Yes
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Max focal length 200 mm
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Zoom range 2.9x
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Weight 1.8 kg
#6

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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Focus motor Generic motor
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Aperture f/1.8
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Fisheye No
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Length 38 mm
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Fixed aperture n/a
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Max focal length 50 mm
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Zoom range 1x
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Weight 122 g
#7

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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Focus motor Generic motor
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Aperture f/3.5
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Fisheye No
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Length 76 mm
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Fixed aperture No
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Max focal length 135 mm
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Zoom range 7.5x
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Weight 405 g
#8

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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Focus motor Generic motor
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Aperture f/2.8
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Fisheye No
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Length 66 mm
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Fixed aperture n/a
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Max focal length 50 mm
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Zoom range 1x
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Weight 264 g
#9

Pentax SMC HD DA 16-85mm f/3.5-5.6 ED DC WR

Pentax SMC HD DA 16-85mm f/3.5-5.6 ED DC WR
 
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Great zoom range
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5.3x
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Focus motor Generic motor
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Aperture f/3.5
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Fisheye No
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Length 94 mm
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Fixed aperture No
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Max focal length 85 mm
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Zoom range 5.3x
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Weight 488 g
#10

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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Focus motor Generic motor
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Aperture f/4
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Fisheye No
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Length 112 mm
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Fixed aperture No
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Max focal length 300 mm
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Zoom range 5.5x
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Weight 466 g