differences

Reasons to consider the Panasonic 20mm f/1.7 II

Slightly shorter 26 mm vs 36 mm
Help
Around 30% shorter
Panasonic Lumix G  20mm f/1.7 II Learn more about
the Panasonic 20mm f/1.7 II

Reasons to consider the Olympus 17mm f/1.8

Narrower aperture f/22 vs f/16
Help
At its narrowest, the 17mm f/1.8 goes 0.9 f-stops narrower
Slightly smaller diameter 58 mm vs 63 mm
Help
Around 10% smaller lens at the end
Olympus M.Zuiko  17mm f/1.8 Learn more about
the Olympus 17mm f/1.8

similarities

Compared to digital camera lenses

Common Strengths Common Weaknesses
Aperture Wide aperture Help
20mm f/1.7 IIf/1.7
17mm f/1.8f/1.8
Length Short Help
20mm f/1.7 II26 mm
17mm f/1.836 mm
Prime lens Fixed focal length prime lenses Help
Typically very sharp
Diameter Small diameters Help
20mm f/1.7 II63 mm
17mm f/1.858 mm
Auto focus Auto focus Help
Easier to use
Weight Light weight Help
20mm f/1.7 II87 g
17mm f/1.8120 g
Max focal length Poor telephoto Help
20mm f/1.7 II20 mm
17mm f/1.817 mm

Compared to digital camera lenses

Common Strengths Common Weaknesses

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

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

competitors

Olympus M.Zuiko 17mm f/1.8 Competitors

Sigma 19mm f/2.8 DN

Sigma 19mm f/2.8 DN

Lens

$169 - $299

Lowest price Slightly cheaper
Aperture Narrower aperture
Fujifilm 18mm f/2 XF R

Fujifilm 18mm f/2 XF R

Low light lens

Wide minimum Wider aperture
Olympus M.Zuiko  25mm f/1.8

Olympus M.Zuiko 25mm f/1.8

Low light lens

$299

Panasonic Lumix G 20mm f/1.7 II Competitors

Leica Summilux 21mm f/1.4

Leica Summilux 21mm f/1.4

Low light lens

$54

Aperture Slightly wider aperture
Lowest price Slightly cheaper
Focus motor Doesn't have a silent focus motor
Panasonic Lumix G  X Vario 12-35mm f/2.8

Panasonic Lumix G X Vario 12-35mm f/2.8

Wide angle lens

$758 - $998

Wide minimum Narrower aperture
Zoom range More zoom
Prime lens Is a zoom lens
Panasonic Lumix G  Leica DG Summilux 15mm f/1.7

Panasonic Lumix G Leica DG Summilux 15mm f/1.7

Low light lens

$424 - $598

Diameter Slightly smaller diameter
Length Slightly longer

discussion Which do you think is better?

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