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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

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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Wide aperture
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f/1.4
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Aperture f/1.4
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Max focal length 50 mm
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Fixed aperture n/a
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Weight 221 g
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Zoom range 1x
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Auto focus Yes
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Min focal length 50 mm
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Fisheye No
#2

Pentax SMC DA FA 100mm f/2.8 WR Macro

Pentax SMC  DA FA 100mm f/2.8 WR Macro

"It is light weight, very smooth, very sharp images"

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Aperture f/2.8
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Max focal length 100 mm
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Fixed aperture n/a
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Weight 340 g
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Zoom range 1x
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Auto focus Yes
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Min focal length 100 mm
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Fisheye No
#3

Pentax SMC DA* 16-50mm f/2.8 ED SDM

Pentax SMC  DA* 16-50mm f/2.8 ED SDM

"Great construction, versatile and great image quality, especially the diaphragm closing a little more than 16mm focal length."

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Aperture f/2.8
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Max focal length 50 mm
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Fixed aperture Yes
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Weight 0.6 kg
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Zoom range 3.1x
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Auto focus Yes
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Min focal length 16 mm
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Fisheye No
#4

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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Wide aperture
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f/1.4
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Aperture f/1.4
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Max focal length 55 mm
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Fixed aperture n/a
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Weight 375 g
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Zoom range 1x
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Auto focus Yes
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Min focal length 55 mm
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Fisheye No
#5

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

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

"The build quality seems top notch, no play in the focus or zoom rings at all, and very smooth action of both."

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Aperture f/2.8
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Max focal length 135 mm
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Fixed aperture Yes
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Weight 0.7 kg
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Zoom range 2.7x
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Auto focus Yes
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Min focal length 50 mm
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Fisheye No
#6

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

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

"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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Aperture f/1.4
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Max focal length 50 mm
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Fixed aperture n/a
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Weight 0.5 kg
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Zoom range 1x
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Auto focus Yes
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Min focal length 50 mm
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Fisheye No
#7

Pentax SMC FA 77mm f/1.8

Pentax SMC  FA 77mm f/1.8

"Its color rendition is simply unbelievable. It exceeds even the abilities of my 43 mm Limited for sunsets and sunrises when coupled with the CTE White Balance settings and custom Hi/Lo Key Adjust features on my K-7."

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Aperture f/1.8
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Max focal length 77 mm
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Fixed aperture n/a
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Weight 269 g
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Zoom range 1x
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Auto focus Yes
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Min focal length 77 mm
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Fisheye No
#8

Pentax SMC D FA 50mm f/2.8 Macro

Pentax SMC  D FA 50mm f/2.8 Macro

"As expected this is a fast, versatile lens for taking macro photographs."

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Aperture f/2.8
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Max focal length 50 mm
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Fixed aperture n/a
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Weight 264 g
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Zoom range 1x
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Auto focus Yes
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Min focal length 50 mm
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Fisheye No
#9

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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Max focal length 50 mm
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Fixed aperture n/a
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Weight 122 g
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Zoom range 1x
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Auto focus Yes
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Min focal length 50 mm
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Fisheye No
#10

Sigma 17-70mm f/2.8-4 DC Macro HSM Pentax-k

Sigma 17-70mm f/2.8-4 DC Macro HSM Pentax-k
 
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Great zoom range
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4.1x
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Aperture f/2.8
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Max focal length 70 mm
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Fixed aperture No
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Weight 465 g
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Zoom range 4.1x
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Auto focus Yes
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Min focal length 17 mm
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Fisheye No