vs

differences

Reasons to consider the Sigma 50mm f/1.4 EX DG HSM

Has a silent focus motor Sigma HSM vs None
Help
Focuses quickly and silently
Slightly wider aperture f/1.4 vs f/1.7
Help
At its widest, the 50mm f/1.4 EX DG HSM captures much more light, 0.6 f-stops
Slightly better telephoto 50 mm vs 20 mm
Help
2.5x more reach, less perspective distortion
Sigma 50mm f/1.4 EX DG HSM Learn more about
the Sigma 50mm f/1.4 EX DG HSM

Reasons to consider the Panasonic 20mm f/1.7 G

Shorter 26 mm vs 68 mm
Help
2.6x shorter
Lighter 100 g vs 0.5 kg
Help
5.1x lighter
Slightly better wide angle 20 mm vs 50 mm
Help
2.5x better wide angle
Slightly smaller diameter 63 mm vs 85 mm
Help
Around 30% smaller lens at the end
Panasonic Lumix  20mm f/1.7 G Learn more about
the Panasonic 20mm f/1.7 G

similarities

Compared to lenses

Common Strengths Common Weaknesses
Aperture Wide aperture Help
50mm f/1.4 EX DG HSM:f/1.4
20mm f/1.7 G:f/1.7
Prime lens Fixed focal length prime lenses Help
Typically very sharp
Length Short Help
50mm f/1.4 EX DG HSM:68 mm
20mm f/1.7 G:26 mm
Wide maximum Not very narrow apertures Help
f/16
Magnification Poor magnification Help
50mm f/1.4 EX DG HSM:1:7.4 (0.1x)
20mm f/1.7 G:1:7.7 (0.1x)
Zoom range Poor zoom Help
1x
Max focal length Poor telephoto Help
50mm f/1.4 EX DG HSM:50 mm
20mm f/1.7 G:20 mm

Compared to low light lenses

Common Strengths Common Weaknesses
Auto focus Auto focus Help
Easier to use

LensHero is not aware of any interesting weaknesses shared by these two products.

competitors

Shared Competitors

Advantages

Disadvantages

Nikon Nikkor AF-S 35mm f/1.8G DX

Nikon Nikkor AF-S 35mm f/1.8G DX

Low light lens

$197

Wide maximum Has a higher max f/stop
Canon EF 50mm f/1.8 II

Canon EF 50mm f/1.8 II

Low light lens

$98 - $125

Wide maximum Has a higher max f/stop

Sigma 50mm f/1.4 EX DG HSM Competitors

Advantages

Disadvantages

Nikon Nikkor AF-S 50mm f/1.4G

Nikon Nikkor AF-S 50mm f/1.4G

Low light lens

$439

Weight Slightly lighter
Length Slightly shorter
Sigma 30mm f/1.4 EX DC HSM Nikon-f

Sigma 30mm f/1.4 EX DC HSM Nikon-f

Low light lens

$289

Min focal length Slightly better wide angle
Max focal length Slightly worse telephoto
Magnification Slightly less magnification
Canon 50mm f/1.4 USM

Canon 50mm f/1.4 USM

Low light lens

Wide maximum Narrower aperture
Length Slightly shorter
Nikon Nikkor  85mm f/1.8D

Nikon Nikkor 85mm f/1.8D

Low light lens

$429

Max focal length Slightly better telephoto
Focus motor Doesn't have a silent focus motor
Aperture Narrower aperture
Nikon Nikkor  50mm f/1.8D

Nikon Nikkor 50mm f/1.8D

Low light lens

$115

Wide maximum Narrower aperture
Length Shorter
Focus motor Doesn't have a silent focus motor
Aperture Narrower aperture

Panasonic Lumix 20mm f/1.7 G Competitors

Advantages

Disadvantages

Panasonic 25mm f/1.4 Leica D

Panasonic 25mm f/1.4 Leica D

Low light lens

$900

Aperture Slightly wider aperture
Length Longer
Weight Heavier
Olympus M.Zuiko  17mm f/2.8

Olympus M.Zuiko 17mm f/2.8

Lens

$299

Wide maximum Narrower aperture
Aperture Narrower aperture
Panasonic Lumix G  14mm f/2.5

Panasonic Lumix G 14mm f/2.5

Low light lens

$325

Wide maximum Narrower aperture
Aperture Narrower aperture
Magnification Slightly less magnification
Olympus Zuiko M. ED 45mm f/1.8

Olympus Zuiko M. ED 45mm f/1.8

Low light lens

$399

Max focal length Slightly better telephoto
Min focal length Slightly worse wide angle
Olympus Zuiko 25mm f/2.8 ED

Olympus Zuiko 25mm f/2.8 ED

Lens

$249

Wide maximum Narrower aperture
Magnification Slightly more magnification
Aperture Narrower aperture

discussion Which do you think is better?

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