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Samsung GX-20
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Samsung GX-20

Samsung GX-20 Landscape lenses that have a f/2.8 or faster aperture

#1

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

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

$449

"The is a great upgrade from a kit lens. Good focal length range, speed and macro ability."

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More advanced image stabilization
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Sigma OS
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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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Image stabilization Sigma OS
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Fixed aperture No
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Zoom range 4.1x
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Focus motor Sigma HSM
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Max focal length 70 mm
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Auto focus Yes
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Length 83 mm
#2

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

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

$1,297

"Great lens for everyday use... Fast and sharp.... The price was nice also"

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Fixed aperture
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The same aperture at all focal lengths
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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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Image stabilization None
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Fixed aperture Yes
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Zoom range 3.1x
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Focus motor Pentax SDM
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Max focal length 50 mm
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Auto focus Yes
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Length 99 mm
#3

Sigma 18-50mm f/2.8-4.5 DC OS HSM Pentax-k

Sigma 18-50mm f/2.8-4.5 DC OS HSM Pentax-k

$199

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More advanced image stabilization
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Sigma OS
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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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Image stabilization Sigma OS
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Fixed aperture No
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Zoom range 2.8x
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Focus motor Sigma HSM
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Max focal length 50 mm
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Auto focus Yes
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Length n/a
#4

Tamron 17-50mm f/2.8 XR Di-II LD [IF] Pentax-k

Tamron 17-50mm f/2.8 XR Di-II LD [IF] Pentax-k

$459

"It's razor sharp, even wide open. If that's all that matters to you in a lens, stop, do not pass Go! and buy this lens. Bokeh is pleasing for its price range as well."

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Fixed aperture
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The same aperture at all focal lengths
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Aperture f/2.8
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Image stabilization None
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Fixed aperture Yes
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Zoom range 2.9x
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Focus motor None
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Max focal length 50 mm
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Auto focus Yes
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Length 82 mm
#5

Pentax SMC DA 14mm f/2.8

Pentax SMC  DA 14mm f/2.8

$947

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

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Aperture f/2.8
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Image stabilization None
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Fixed aperture n/a
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Zoom range 1x
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Focus motor None
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Max focal length 14 mm
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Auto focus Yes
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Length 69 mm
#6

Sigma 17-50mm f/2.8 EX DC OS HSM Pentax-k

Sigma 17-50mm f/2.8 EX DC OS HSM Pentax-k

$669

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More advanced image stabilization
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Sigma OS
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Fixed aperture
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The same aperture at all focal lengths
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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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Image stabilization Sigma OS
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Fixed aperture Yes
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Zoom range 2.9x
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Focus motor Sigma HSM
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Max focal length 50 mm
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Auto focus Yes
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Length n/a
#7

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

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

$499

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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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Image stabilization None
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Fixed aperture No
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Zoom range 4.1x
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Focus motor Sigma HSM
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Max focal length 70 mm
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Auto focus Yes
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Length n/a
#8

Rokinon 14mm f/2.8 IF ED UMC Pentax-k

Rokinon 14mm f/2.8 IF ED UMC Pentax-k

$379

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Aperture f/2.8
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Image stabilization None
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Fixed aperture n/a
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Zoom range 1x
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Focus motor None
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Max focal length 14 mm
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Auto focus No
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Length n/a