differences

Reasons to consider the Panasonic Leica DG Summilux 15mm f/1.7

Slightly smaller diameter 58 mm vs 63 mm
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Around 10% smaller lens at the end
Panasonic Lumix G  Leica DG Summilux 15mm f/1.7 Learn more about
the Panasonic Leica DG Summilux 15mm f/1.7

Reasons to consider the Panasonic 20mm f/1.7 II

Slightly shorter 26 mm vs 36 mm
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Around 30% shorter
Slightly cheaper $267.99 vs $443.38
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The best price we've seen is $175 cheaper (around 40% less)
Panasonic Lumix G  20mm f/1.7 II Learn more about
the Panasonic 20mm f/1.7 II

similarities

Compared to digital camera lenses

Common Strengths Common Weaknesses
Aperture Wide aperture Help
f/1.7
Length Short Help
Leica DG Summilux 15mm f/1.736 mm
20mm f/1.7 II26 mm
Prime lens Fixed focal length prime lenses Help
Typically very sharp
Diameter Small diameters Help
Leica DG Summilux 15mm f/1.758 mm
20mm f/1.7 II63 mm
Auto focus Auto focus Help
Easier to use
Weight Light weight Help
Leica DG Summilux 15mm f/1.7115 g
20mm f/1.7 II87 g
Max focal length Poor telephoto Help
Leica DG Summilux 15mm f/1.715 mm
20mm f/1.7 II20 mm
Wide minimum Not very narrow apertures Help
f/16

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

Panasonic Lumix G 20mm f/1.7 II Competitors

Olympus M.Zuiko  25mm f/1.8

Olympus M.Zuiko 25mm f/1.8

Low light lens

$279 - $359

Wide minimum Narrower aperture
Diameter Slightly smaller diameter
Length Slightly longer
Olympus M.Zuiko  17mm f/1.8

Olympus M.Zuiko 17mm f/1.8

Low light lens

$389 - $449

Wide minimum Narrower aperture
Diameter Slightly smaller diameter
Length Slightly longer
Olympus M.Zuiko  ED 12mm f/2

Olympus M.Zuiko ED 12mm f/2

Low light lens

$642 - $719

Wide minimum Narrower aperture
Diameter Slightly smaller diameter
Lowest price Slightly more expensive

Panasonic Lumix G Leica DG Summilux 15mm f/1.7 Competitors

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

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

Wide angle lens

$723 - $898

Wide minimum Narrower aperture
Zoom range More zoom
Prime lens Is a zoom lens
Panasonic Lumix G  14mm f/2.5

Panasonic Lumix G 14mm f/2.5

Low light lens

$278

Wide minimum Narrower aperture
Length Slightly shorter
Aperture Narrower aperture
Olympus M.Zuiko  25mm f/1.8

Olympus M.Zuiko 25mm f/1.8

Low light lens

$279 - $359

Wide minimum Narrower aperture
Lowest price Slightly cheaper
Min focal length Slightly worse wide angle

discussion Which do you think is better?

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