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

Olympus M.Zuiko  ED 12mm f/2

Olympus M.Zuiko ED 12mm f/2

Low light lens

$626 - $799

Lowest price Slightly more expensive
Olympus M.Zuiko  25mm f/1.8

Olympus M.Zuiko 25mm f/1.8

Low light lens

$279 - $299

Sigma 30mm f/1.4 DC HSM Sony Alpha

Sigma 30mm f/1.4 DC HSM Sony Alpha

Low light lens

$339

Aperture Wider aperture
Magnification Slightly more magnification
Wide minimum Wider aperture

Panasonic Lumix G 20mm f/1.7 II Competitors

Panasonic Lumix G  Leica DG Summilux 15mm f/1.7

Panasonic Lumix G Leica DG Summilux 15mm f/1.7

Low light lens

$450

Diameter Slightly smaller diameter
Length Slightly longer
Olympus M.Zuiko  25mm f/1.8

Olympus M.Zuiko 25mm f/1.8

Low light lens

$279 - $299

Wide minimum Narrower aperture
Diameter Slightly smaller diameter
Length Slightly longer
Panasonic Lumix G  14mm f/2.5

Panasonic Lumix G 14mm f/2.5

Low light lens

$365

Wide minimum Narrower aperture
Diameter Slightly smaller diameter
Aperture Narrower aperture

discussion Which do you think is better?

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