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A black and white portrait of a man

Pentax K Portrait lenses that have a f/1.8 or faster aperture

#1

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

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

$499

"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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Silent focus motor
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Silent and fast
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Supports autofocus
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Easier to use
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Aperture f/1.4
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Min focal length 50 mm
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Auto focus Yes
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Diameter 85 mm
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Focus motor Sigma HSM
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Weight 0.5 kg
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Length 68 mm
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Max focal length 50 mm
#2

Pentax SMC FA 50mm f/1.4

Pentax SMC  FA 50mm f/1.4

$447

"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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Supports autofocus
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Easier to use
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Aperture f/1.4
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Min focal length 50 mm
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Auto focus Yes
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Diameter 64 mm
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Focus motor None
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Weight 222 g
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Length 38 mm
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Max focal length 50 mm
#3

Pentax SMC FA 77mm f/1.8

Pentax SMC  FA 77mm f/1.8

$1,047

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

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Supports autofocus
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Easier to use
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Aperture f/1.8
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Min focal length 77 mm
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Auto focus Yes
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Diameter 48 mm
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Focus motor None
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Weight 272 g
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Length 64 mm
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Max focal length 77 mm
#4

Pentax SMC 55mm f/1.4 DA* SDM

Pentax SMC 55mm f/1.4 DA* SDM

$797

"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."

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Silent focus motor
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Silent and fast
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Supports autofocus
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Easier to use
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Aperture f/1.4
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Min focal length 55 mm
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Auto focus Yes
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Diameter n/a
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Focus motor Pentax SDM
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Weight 375 g
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Length n/a
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Max focal length 55 mm
#5

Sigma 85mm f/1.4 EX DG HSM Pentax-k

Sigma 85mm f/1.4 EX DG HSM Pentax-k

$899

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Silent focus motor
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Silent and fast
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Supports autofocus
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Easier to use
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Aperture f/1.4
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Min focal length 85 mm
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Auto focus Yes
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Diameter n/a
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Focus motor Sigma HSM
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Weight n/a
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Length n/a
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Max focal length 85 mm
#6

Rokinon 85mm f/1.4 Pentax-k

Rokinon 85mm f/1.4 Pentax-k

$269

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Aperture f/1.4
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Min focal length 85 mm
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Auto focus No
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Diameter n/a
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Focus motor None
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Weight 0.6 kg
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Length n/a
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Max focal length 85 mm
#7

Zeiss 85mm f/1.4 ZK Planar T* Pentax-k

Zeiss 85mm f/1.4 ZK Planar T* Pentax-k

$1,228

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Aperture f/1.4
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Min focal length 85 mm
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Auto focus No
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Diameter 77 mm
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Focus motor None
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Weight 0.6 kg
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Length 86 mm
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Max focal length 85 mm
#8

Zeiss 50mm f/1.4 ZK Pentax-k

Zeiss 50mm f/1.4 ZK Pentax-k

"It will be a 75mm in APS-C format, and great for portrait. The color rendition is much richer than my 43mm limited."

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Aperture f/1.4
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Min focal length 50 mm
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Auto focus No
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Diameter n/a
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Focus motor None
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Weight n/a
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Length n/a
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Max focal length 50 mm