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Lens category
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Pentax Lenses that have a f/2.8 or faster aperture

#1

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" bhphotovideo.com

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Aperture f/2.8
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Length 64 mm
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Min focal length 100 mm
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Weight 340 g
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Max focal length 100 mm
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Auto focus Yes
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Diameter 81 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." bhphotovideo.com

 
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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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Length 38 mm
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Min focal length 50 mm
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Weight 221 g
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Max focal length 50 mm
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Auto focus Yes
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Diameter 64 mm
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Zoom range 1x
#3

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." bhphotovideo.com

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Aperture f/1.8
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Length 48 mm
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Min focal length 77 mm
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Weight 269 g
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Max focal length 77 mm
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Auto focus Yes
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Diameter 74 mm
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Zoom range 1x
#4

Pentax SMC DA* 200mm f/2.8 ED SDM

Pentax SMC  DA* 200mm f/2.8 ED SDM

"Extremely well built, weather sealed, fast, and sharp at all F-stops." bhphotovideo.com

 
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Great telephoto lens
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200 mm
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Aperture f/2.8
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Length 135 mm
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Min focal length 200 mm
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Weight 0.8 kg
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Max focal length 200 mm
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Auto focus Yes
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Diameter 84 mm
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Zoom range 1x
#5

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." bhphotovideo.com

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Aperture f/1.8
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Length 69 mm
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Min focal length 31 mm
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Weight 346 g
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Max focal length 31 mm
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Auto focus Yes
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Diameter 66 mm
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Zoom range 1x
#6

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 38 mm
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Min focal length 50 mm
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Weight 122 g
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Max focal length 50 mm
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Auto focus Yes
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Diameter 64 mm
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Zoom range 1x
#7

Pentax SMC 55mm f/1.4 DA* SDM

Pentax SMC 55mm f/1.4 DA* SDM

"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." bhphotovideo.com

 
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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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Length 66 mm
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Min focal length 55 mm
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Weight 375 g
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Max focal length 55 mm
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Auto focus Yes
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Diameter 71 mm
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Zoom range 1x
#8

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 46 mm
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Min focal length 35 mm
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Weight 125 g
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Max focal length 35 mm
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Auto focus Yes
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Diameter 64 mm
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Zoom range 1x
#9

Pentax SMC D FA 50mm f/2.8 Macro

Pentax SMC  D FA 50mm f/2.8 Macro

"Very sharp lens, excellent image quality, great colours in the images. A great 50 mm all-rounder." bhphotovideo.com

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Aperture f/2.8
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Length 66 mm
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Min focal length 50 mm
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Weight 264 g
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Max focal length 50 mm
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Auto focus Yes
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Diameter 66 mm
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Zoom range 1x
#10

Pentax SMC DA 14mm f/2.8

Pentax SMC  DA 14mm f/2.8

"ALL IN ALL THIS LENSE DELIVERS BEAUTIFUL EXPOSURES IF YOU KNOW HOW TO USE YOUR CAMARA!!!" bhphotovideo.com

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Aperture f/2.8
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Length 69 mm
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Min focal length 14 mm
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Weight 420 g
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Max focal length 14 mm
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Auto focus Yes
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Diameter 84 mm
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Zoom range 1x