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Pentax K-5
Lens category
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Pentax K-5

Pentax K-5 Lenses for less than $800 that have a f/1.8 or faster aperture

#1

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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Min focal length 77 mm
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Auto focus Yes
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Weight 269 g
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Length 48 mm
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Max focal length 77 mm
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Diameter 74 mm
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Zoom range 1x
#2

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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Min focal length 50 mm
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Auto focus Yes
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Weight 122 g
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Length 38 mm
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Max focal length 50 mm
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Diameter 64 mm
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Zoom range 1x
#3

Samyang 35mm f/1.4 AS UMC Pentax K

Samyang 35mm f/1.4 AS UMC Pentax K
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Aperture f/1.4
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Min focal length 35 mm
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Auto focus No
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Weight 0.7 kg
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Length 110 mm
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Max focal length 35 mm
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Diameter 83 mm
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Zoom range 1x
#4

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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Aperture f/1.4
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Min focal length 50 mm
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Auto focus Yes
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Weight 221 g
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Length 38 mm
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Max focal length 50 mm
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Diameter 64 mm
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Zoom range 1x
#5

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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Aperture f/1.4
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Min focal length 55 mm
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Auto focus Yes
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Weight 375 g
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Length 66 mm
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Max focal length 55 mm
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Diameter 71 mm
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Zoom range 1x
#6

Sigma 18-35mm f/1.8 DC HSM Art Pentax-k

Placeholder
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Aperture f/1.8
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Min focal length 18 mm
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Auto focus Yes
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Weight 0.8 kg
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Length n/a
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Max focal length 35 mm
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Diameter n/a
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Zoom range 1.9x
#7

Samyang 24mm f/1.4 ED AS UMC Pentax K

Samyang 24mm f/1.4 ED AS UMC Pentax K
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Aperture f/1.4
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Min focal length 24 mm
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Auto focus No
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Weight n/a
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Length 95 mm
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Max focal length 24 mm
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Diameter 83 mm
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Zoom range 1x
#8

Samyang 50mm f/1.4 AS UMC Pentax K

Placeholder
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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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Weight 0.5 kg
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Length n/a
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Max focal length 50 mm
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Diameter n/a
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Zoom range 1x
#9

Samyang 85mm f/1.4 Pentax K

Samyang 85mm f/1.4 Pentax K
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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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Weight 0.5 kg
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Length 73 mm
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Max focal length 85 mm
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Diameter 78 mm
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Zoom range 1x