Wide aperture
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Lens category
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Lens mount
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Type
A low light shot without a flash

Pentax K Prime Low light lenses that have a f/2.8 or faster aperture

#1

Pentax SMC 35mm DA L f/2.4 AL

Pentax SMC 35mm DA L f/2.4 AL
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Aperture f/2.4
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Length n/a
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Min focal length 35 mm
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Diameter n/a
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Weight 125 g
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Auto focus Yes
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Max focal length 35 mm
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Zoom range 1x
#2

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."

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Aperture f/1.4
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Length n/a
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Min focal length 50 mm
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Diameter n/a
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Weight 221 g
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Auto focus Yes
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Max focal length 50 mm
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Zoom range 1x
#3

Pentax SMC FA 31mm f/1.8

Pentax SMC  FA 31mm f/1.8

"The autofocus is fast and accurate and its size and weight balances out the K7 with or without the battery grip."

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Aperture f/1.8
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Length n/a
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Min focal length 31 mm
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Diameter n/a
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Weight 346 g
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Auto focus Yes
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Max focal length 31 mm
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Zoom range 1x
#4

Pentax SMC DA 50mm f/1.8

Pentax SMC  DA 50mm f/1.8
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Aperture f/1.8
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Length n/a
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Min focal length 50 mm
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Diameter n/a
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Weight 122 g
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Auto focus Yes
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Max focal length 50 mm
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Zoom range 1x
#5

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."

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Aperture f/1.8
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Length n/a
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Min focal length 77 mm
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Diameter n/a
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Weight 269 g
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Auto focus Yes
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Max focal length 77 mm
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Zoom range 1x
#6

Pentax SMC 55mm f/1.4 DA* SDM

Pentax SMC 55mm f/1.4 DA* SDM

"This lens produces an accurate reproduction. The f/1.4 aperature has opened-up a whole new range of photo oppurtunities."

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Aperture f/1.4
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Length n/a
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Min focal length 55 mm
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Diameter n/a
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Weight 375 g
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Auto focus Yes
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Max focal length 55 mm
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Zoom range 1x
#7

Pentax SMC FA 43mm f/1.9

Pentax SMC  FA 43mm f/1.9

"The build quality alone is just so superior; this little beauty is just a joy to handle."

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Aperture f/1.9
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Length n/a
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Min focal length 43 mm
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Diameter n/a
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Weight 156 g
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Auto focus Yes
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Max focal length 43 mm
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Zoom range 1x
#8

Sigma 50mm f/1.4 EX DG HSM Pentax-k

Sigma 50mm f/1.4 EX DG HSM Pentax-k

"First off it's a solid lens, a bit heavy but it takes a beating. Fast focus and quiet. I use it with k20 and I am very happy with the results. A must for low light photography."

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Aperture f/1.4
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Length n/a
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Min focal length 50 mm
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Diameter n/a
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Weight 0.5 kg
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Auto focus Yes
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Max focal length 50 mm
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Zoom range 1x
#9

Pentax SMC 35mm f/2 FA AL

Pentax SMC 35mm f/2 FA AL
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Aperture f/2
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Length 46 mm
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Min focal length 35 mm
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Diameter 64 mm
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Weight 200 g
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Auto focus Yes
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Max focal length 35 mm
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Zoom range 1x
#10

Pentax SMC HD DA 70mm f/2.4

Pentax SMC HD DA 70mm f/2.4
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Aperture f/2.4
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Length n/a
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Min focal length 70 mm
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Diameter n/a
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Weight 130 g
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Auto focus Yes
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Max focal length 70 mm
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Zoom range 1x