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 $2,399.00 vs $2,860.00
Help
The best price we've seen is $461 cheaper (around 20% 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
Max focal length Poor telephoto Help
21mm Elmar-M21 mm
18mm f/3.8 Elmar-M18 mm
Lowest price Very expensive Help
21mm Elmar-M$2,399.00
18mm f/3.8 Elmar-M$2,860.00

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

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

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

Wide angle lens

$633 - $1,428

Lowest price Is slightly less expensive
Wide maximum Has a higher max f/stop
Aperture Has a narrower aperture
Length Is longer
Zeiss 35mm f/2.8 C Biogon T* ZM Leica-m

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

Lens

$756 - $860

Lowest price Is slightly less expensive
Aperture Has a wider aperture
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 21mm Elmar-M Competitors

Advantages

Disadvantages

Leica Elmarit 28mm f/2.8 M

Leica Elmarit 28mm f/2.8 M

Wide angle lens

$1,980 - $2,000

Aperture Wider aperture
Lowest price Slightly cheaper
Focus motor Doesn't have a silent focus motor
Auto focus Auto focus
Leica 24mm f/3.8 Elmar M

Leica 24mm f/3.8 Elmar M

Wide angle lens

$2,332 - $2,400

Focus motor Doesn't have a silent focus motor
Auto focus Auto focus
Canon EF 400mm f/2.8L IS II USM

Canon EF 400mm f/2.8L IS II USM

Sports lens

$9,999

Image stabilization Image stabilization
Max focal length Much better telephoto
Min focal length Much worse wide angle
Lowest price Much more expensive
Sony 24mm f/1.8 E-Mount Carl Zeiss Sonnar

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

Low light lens

$898

Aperture Significantly wider aperture
Lowest price Cheaper
Sony E-Mount 16mm f/2.8

Sony E-Mount 16mm f/2.8

Wide angle lens

$203 - $223

Lowest price Cheaper
Aperture Wider aperture

Leica 18mm f/3.8 Elmar-M Competitors

Advantages

Disadvantages

Zeiss 21mm f/2.8 ZM Leica-m

Zeiss 21mm f/2.8 ZM Leica-m

Wide angle lens

$1,428

Focus motor Has a silent focus motor
Wide maximum Narrower aperture
Tamron 180mm f/3.5 Macro Sony-alpha

Tamron 180mm f/3.5 Macro Sony-alpha

Macro lens

$739

Focus motor Has a silent focus motor
Auto focus Auto focus
Min focal length Significantly worse wide angle
Weight Heavier
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
Rokinon 24mm f/1.4 ED AS UMC Pentax-k

Rokinon 24mm f/1.4 ED AS UMC Pentax-k

Low light lens

Focus motor Has a silent focus motor
Aperture Much wider aperture

discussion Which do you think is better?

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