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Pentax K 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." 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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Max focal length 50 mm
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Fixed aperture n/a
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Zoom range 1x
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Length 38 mm
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Min focal length 50 mm
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Diameter 64 mm
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Weight 221 g
#2

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." 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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Max focal length 55 mm
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Fixed aperture n/a
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Zoom range 1x
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Length 66 mm
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Min focal length 55 mm
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Diameter 71 mm
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Weight 375 g
#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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Max focal length 77 mm
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Fixed aperture n/a
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Zoom range 1x
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Length 48 mm
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Min focal length 77 mm
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Diameter 74 mm
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Weight 269 g
#4

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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Max focal length 50 mm
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Fixed aperture n/a
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Zoom range 1x
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Length 66 mm
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Min focal length 50 mm
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Diameter 66 mm
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Weight 264 g
#5

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

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

"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..." bhphotovideo.com

 
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Fixed aperture
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The same maximum aperture at all focal lengths
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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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Zoom range 2.7x
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Length 137 mm
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Min focal length 50 mm
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Diameter 76 mm
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Weight 0.7 kg
#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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Max focal length 50 mm
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Fixed aperture n/a
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Zoom range 1x
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Length 38 mm
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Min focal length 50 mm
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Diameter 64 mm
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Weight 122 g
#7

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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Max focal length 35 mm
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Fixed aperture n/a
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Zoom range 1x
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Length 46 mm
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Min focal length 35 mm
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Diameter 64 mm
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Weight 125 g
#8

Pentax SMC FA 43mm f/1.9

Pentax SMC  FA 43mm f/1.9

"So far the results have been great. Nice and sharp. Great bokeh. Excellent lighted build quality." bhphotovideo.com

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Aperture f/1.9
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Max focal length 43 mm
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Fixed aperture n/a
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Zoom range 1x
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Length 28 mm
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Min focal length 43 mm
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Diameter 64 mm
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Weight 156 g
#9

Pentax SMC HD DA 20-40mm f/2.8-4 ED DC WR

Pentax SMC HD DA 20-40mm f/2.8-4 ED DC WR
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Aperture f/2.8
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Max focal length 40 mm
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Fixed aperture No
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Zoom range 2x
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Length 69 mm
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Min focal length 20 mm
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Diameter 71 mm
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Weight 283 g
#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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Max focal length 14 mm
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Fixed aperture n/a
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Zoom range 1x
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Length 69 mm
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Min focal length 14 mm
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Diameter 84 mm
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Weight 420 g