differences

Reasons to consider the Leica 21mm Elmar-M

Has a silent focus motor Generic motor vs None
Help
Almost the same
Auto focus Yes vs No
Help
Wider aperture f/3.4 vs f/3.8
Help
At its widest, the 21mm Elmar-M captures marginally more light (0.3 f-stops)
Slightly cheaper $2,635.60 vs $2,860.00
Help
The best price we've seen is $224 cheaper (around 10% less)
Leica 21mm Elmar-M Learn more about
the Leica 21mm Elmar-M

Reasons to consider the Leica 18mm f/3.8 Elmar-M

LensHero is not aware of any important advantages of the Leica 18mm f/3.8 Elmar-M vs the Leica 21mm Elmar-M.
Leica 18mm f/3.8 Elmar-M Learn more about
the Leica 18mm f/3.8 Elmar-M

similarities

Compared to lenses

Common Strengths Common Weaknesses
Prime lens Fixed focal length prime lenses Help
Typically very sharp
Lowest price Very expensive Help
21mm Elmar-M$2,635.60
18mm f/3.8 Elmar-M$2,860.00
Max focal length Poor telephoto Help
21mm Elmar-M21 mm
18mm f/3.8 Elmar-M18 mm

Compared to wide angle lenses

Common Strengths Common Weaknesses

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

Zoom range Poor zoom Help
1x
Image stabilization No image stabilization Help
Risk of blur

competitors

Shared Competitors

Advantages

Disadvantages

Leica Summilux 21mm f/1.4

Leica Summilux 21mm f/1.4

Low light lens

$6,732

Aperture Has a wider aperture
Lowest price Is significantly more expensive
Diameter Has a larger diameter
Leica Elmarit 28mm f/2.8 M

Leica Elmarit 28mm f/2.8 M

Wide angle lens

$1,980 - $2,250

Aperture Has a wider aperture
Wide maximum Has a higher max f/stop
Zeiss 35mm f/2.8 C Biogon T* ZM Leica-m

Zeiss 35mm f/2.8 C Biogon T* ZM Leica-m

Lens

$729 - $860

Lowest price Is slightly less expensive
Aperture Has a wider aperture
Leica Tri-Elmar-Mf/16-18-21mm f/4

Leica Tri-Elmar-Mf/16-18-21mm f/4

Wide angle lens

$4,796

Wide maximum Has a higher max f/stop
Diameter Has a small diameter
Lowest price Is slightly more expensive
Aperture Has a narrower aperture
Leica Summarit 35mm f/2.5

Leica Summarit 35mm f/2.5

Low light lens

$1,715 - $7,250

Aperture Has a wider aperture
Length Is shorter
Sony E-Mount 16mm f/2.8

Sony E-Mount 16mm f/2.8

Wide angle lens

$209 - $248

Lowest price Is slightly less expensive
Aperture Has a wider aperture
Zeiss Distagon 18mm f/4 T* ZM Leica-m

Zeiss Distagon 18mm f/4 T* ZM Leica-m

Wide angle lens

$599 - $1,428

Lowest price Is slightly less expensive
Wide maximum Has a higher max f/stop
Aperture Has a narrower aperture
Length Is longer

Leica 21mm Elmar-M Competitors

Advantages

Disadvantages

Sony 24mm f/1.8 E-Mount Carl Zeiss Sonnar

Sony 24mm f/1.8 E-Mount Carl Zeiss Sonnar

Low light lens

$16 - $1,098

Aperture Significantly wider aperture
Lowest price Significantly cheaper
Sony 30mm f/3.5 Macro

Sony 30mm f/3.5 Macro

Lens

$278

Lowest price Cheaper
Weight Slightly lighter
Olympus Zuiko 25mm f/2.8 ED

Olympus Zuiko 25mm f/2.8 ED

Lens

$219

Lowest price Cheaper
Aperture Wider aperture

Leica 18mm f/3.8 Elmar-M Competitors

Advantages

Disadvantages

Sigma 105mm f/2.8 EX DG OS Macro Sony-alpha

Sigma 105mm f/2.8 EX DG OS Macro Sony-alpha

Macro lens

$769

Focus motor Has a silent focus motor
Auto focus Auto focus
Min focal length Worse wide angle
Weight Heavier
Zeiss 21mm f/4.5 C Biogon T* ZM Leica-m

Zeiss 21mm f/4.5 C Biogon T* ZM Leica-m

Wide angle lens

$1,201

Length Significantly shorter
Diameter Significantly smaller diameter
Aperture Narrower aperture
Zeiss 85mm f/4 Tele-Tessar T* ZM Leica-m

Zeiss 85mm f/4 Tele-Tessar T* ZM Leica-m

Portrait lens

$900 - $940

Diameter Smaller diameter
Lowest price Cheaper
Length Much longer
Min focal length Worse wide angle

discussion Which do you think is better?

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