Brand
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Wide aperture
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Lens category
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Focus motor
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Type
Blue mountain view

Pentax Prime Landscape lenses that have a focus motor and have a f/4 or faster aperture

#1

Pentax SMC HD DA 15mm f/4 ED AL

Pentax SMC HD DA 15mm f/4 ED AL
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Aperture f/4
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Weight 190 g
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Focus motor Generic motor
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Min focal length 15 mm
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Diameter 64 mm
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Max focal length 15 mm
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Length 41 mm
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Auto focus Yes
#2

Pentax SMC DA 14mm f/2.8

Pentax SMC  DA 14mm f/2.8

"A really wonderful wide angle lens that I use for landscape photography. A fast lens with great field of view and little discernable distortion" bhphotovideo.com

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Aperture f/2.8
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Weight 420 g
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Focus motor Generic motor
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Min focal length 14 mm
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Diameter 84 mm
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Max focal length 14 mm
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Length 69 mm
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Auto focus Yes