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A black and white portrait of a man

Pentax K Portrait lenses that have a f/2.8 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

"I have been very satisfied: this lens is absolutely great for low light, or portraiture, requiring large apertures. I shoot with a Pentax k-x, non full-frame, and so the focal length is closer to 85 mm, perfect for portraits."

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Wide aperture
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f/1.4
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Silent focus motor
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Silent and fast
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Aperture f/1.4
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Zoom range 1x
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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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Min focal length 50 mm
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Max focal length 50 mm
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Diameter 85 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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Wide aperture
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f/1.4
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Aperture f/1.4
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Zoom range 1x
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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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Min focal length 50 mm
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Max focal length 50 mm
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Diameter 64 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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Aperture f/1.8
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Zoom range 1x
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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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Min focal length 77 mm
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Max focal length 77 mm
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Diameter 48 mm
#4

Pentax SMC 55mm f/1.4 DA* SDM

Pentax SMC 55mm f/1.4 DA* SDM

$797

"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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Wide aperture
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f/1.4
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Silent focus motor
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Silent and fast
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Aperture f/1.4
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Zoom range 1x
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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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Min focal length 55 mm
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Max focal length 55 mm
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Diameter n/a
#5

Pentax SMC DA* 50-135mm f/2.8 ED SDM

Pentax SMC  DA* 50-135mm f/2.8 ED SDM

$1,397

"Great lens for taking pictures of the kids, fast, smooth zoom and I don't have to be in their face to get a shot, very sharp pictures..."

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Silent focus motor
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Silent and fast
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Aperture f/2.8
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Zoom range 2.7x
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Focus motor Pentax SDM
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Weight 0.7 kg
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Length 136 mm
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Min focal length 50 mm
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Max focal length 135 mm
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Diameter 76 mm
#6

Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

$799

"I purchased this product to shoot soccer photos and as a replacement for a 70-300mm f4.5-5.6 lens in order to shoot "under the lights". I have not been dissappointed."

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Silent focus motor
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Silent and fast
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Aperture f/2.8
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Zoom range 2.9x
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Focus motor Sigma HSM
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Weight 1.4 kg
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Length 184 mm
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Min focal length 70 mm
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Max focal length 200 mm
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Diameter 86 mm
#7

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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Wide aperture
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f/1.4
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Silent focus motor
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Silent and fast
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Aperture f/1.4
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Zoom range 1x
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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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Min focal length 85 mm
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Max focal length 85 mm
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Diameter n/a
#8

Sigma 50-150mm f/2.8 II EX DC HSM Pentax-k

Sigma 50-150mm f/2.8 II EX DC HSM Pentax-k

$749

"Well built, nicely damped MF, fast accurate AF, acceptably sharp wide open, even better at F/4, and really pleasing bokeh."

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Silent focus motor
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Silent and fast
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Aperture f/2.8
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Zoom range 3x
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Focus motor Sigma HSM
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Weight 0.8 kg
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Length 135 mm
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Min focal length 50 mm
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Max focal length 150 mm
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Diameter 76 mm
#9

Pentax SMC DA 70mm f/2.4

Pentax SMC  DA 70mm f/2.4

$697

"This lens is great for portraits, sharp, nice bokeh and with beatifull color rendition.Autofocus on k-r is really fast and accurate and it feel pretty solid."

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Quite short
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26 mm
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Aperture f/2.4
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Zoom range 1x
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Focus motor None
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Weight 130 g
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Length 26 mm
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Min focal length 70 mm
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Max focal length 70 mm
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Diameter 63 mm
#10

Sigma 24-70mm f/2.8 IF EX DG HSM Pentax-k

Sigma 24-70mm f/2.8 IF EX DG HSM Pentax-k

$899

"Great lens "portrait sharp" at 2.8 phenomenally sharp at f8 (equal if not better than 35ltd) great rendering. HSM is quiet and fast, build quality is great."

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Silent focus motor
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Silent and fast
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Aperture f/2.8
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Zoom range 2.9x
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Focus motor Sigma HSM
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Weight 0.8 kg
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Length 95 mm
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Min focal length 24 mm
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Max focal length 70 mm
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Diameter 89 mm