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Focus motor
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Pentax K Lenses that have a generic focus motor

#1

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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Length 76 mm
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Aperture f/3.5
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Min focal length 18 mm
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Zoom range 7.5x
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Diameter 74 mm
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Max focal length 135 mm
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Weight 405 g
#2

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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Focus motor Generic motor
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Length 38 mm
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Aperture f/1.4
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Min focal length 50 mm
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Zoom range 1x
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Diameter 64 mm
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Max focal length 50 mm
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Weight 221 g
#3

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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Focus motor Generic motor
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Length 69 mm
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Aperture f/3.5
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Min focal length 18 mm
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Zoom range 3.1x
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Diameter 69 mm
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Max focal length 55 mm
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Weight 230 g
#4

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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Length 48 mm
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Aperture f/1.8
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Min focal length 77 mm
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Zoom range 1x
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Diameter 74 mm
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Max focal length 77 mm
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Weight 269 g
#5

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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Focus motor Generic motor
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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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Zoom range 1x
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Diameter 66 mm
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Max focal length 50 mm
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Weight 264 g
#6

Pentax SMC HD DA 15mm f/4 ED AL

Pentax SMC HD DA 15mm f/4 ED AL
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Focus motor Generic motor
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Length 41 mm
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Aperture f/4
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Min focal length 15 mm
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Zoom range 1x
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Diameter 64 mm
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Max focal length 15 mm
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Weight 190 g
#7

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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Length 38 mm
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Aperture f/1.8
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Min focal length 50 mm
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Zoom range 1x
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Diameter 64 mm
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Max focal length 50 mm
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Weight 122 g
#8

Pentax SMC 35mm DA L f/2.4 AL

Pentax SMC 35mm DA L f/2.4 AL
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Focus motor Generic motor
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Length 46 mm
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Aperture f/2.4
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Min focal length 35 mm
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Zoom range 1x
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Diameter 64 mm
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Max focal length 35 mm
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Weight 125 g
#9

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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Length 112 mm
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Aperture f/4
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Min focal length 55 mm
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Zoom range 5.5x
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Diameter 71 mm
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Max focal length 300 mm
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Weight 466 g
#10

Pentax SMC FA 43mm f/1.9

Pentax SMC  FA 43mm f/1.9

"So far the results have been great. Nice and sharp. Great bokeh. Excellent lighted build quality." bhphotovideo.com

 
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Wide aperture
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f/1.9
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Focus motor Generic motor
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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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Zoom range 1x
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Diameter 64 mm
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Max focal length 43 mm
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Weight 156 g