Lens category
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Focus motor
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Type

Prime Lenses that have a Pentax SDM focus motor

#1

Pentax SMC 55mm f/1.4 DA* SDM

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"I love the lens in almost all ways. It's sharp, fast focusing, needs very little light in F1.4 and the quick shift to manual focus is really OK to have." bhphotovideo.com

 
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Wide angle lens
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55 mm
 
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Wide aperture
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f/1.4
 
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Quite short
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66 mm
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Focus motor Pentax SDM
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Length 66 mm
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Min focal length 55 mm
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Weight 375 g
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Aperture f/1.4
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Diameter 71 mm
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Max focal length 55 mm
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Auto focus Yes
#2

Pentax SMC DA* 300mm f/4 ED SDM

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"Incredible! From the very first moment you look through the view-finder, you'll see the difference. It puts other lenses to shame, especially zooms. Razor sharp!" bhphotovideo.com

 
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Great telephoto lens
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300 mm
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Focus motor Pentax SDM
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Length 183 mm
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Min focal length 300 mm
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Weight 1.1 kg
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Aperture f/4
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Diameter 84 mm
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Max focal length 300 mm
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Auto focus Yes
#3

Pentax SMC DA* 200mm f/2.8 ED SDM

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

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Focus motor Pentax SDM
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Length 135 mm
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Min focal length 200 mm
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Weight 0.8 kg
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Aperture f/2.8
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Diameter 84 mm
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Max focal length 200 mm
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Auto focus Yes