differences

Reasons to consider the Sigma 20mm f/1.8 EX DG DF RF Canon EF

Better wide angle 20 mm vs 85 mm
Help
4.2x better wide angle
Slightly more magnification 1:4 (0.2) vs 1:7.7 (0.1)
Help
Take macro shots with subjects more than 90% larger in your photo
Sigma 20mm f/1.8 EX DG DF RF Canon EF Learn more about
the Sigma 20mm f/1.8 EX DG DF RF Canon EF

Reasons to consider the Canon EF 85mm f/1.8 USM

Smaller diameter 75 mm vs 89 mm
Help
Around 20% smaller lens at the end
Better telephoto 85 mm vs 20 mm
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Around 4.5x more reach, less perspective distortion
Cheaper $299.00 vs $849.23
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The best price we've seen is $550 cheaper (2.8x less)
Slightly shorter 72 mm vs 86 mm
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Around 20% shorter
Canon EF 85mm f/1.8 USM Learn more about
the Canon EF 85mm f/1.8 USM

similarities

Compared to digital camera lenses

Common Strengths Common Weaknesses
Aperture Wide aperture Help
f/1.8
Prime lens Fixed focal length prime lenses Help
Typically very sharp
Auto focus Auto focus Help
Easier to use

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

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

Canon EF 85mm f/1.8 USM Competitors

Canon EF 50mm f/1.8 STM

Canon EF 50mm f/1.8 STM

Low light lens

$109 - $125

Length Shorter
Min focal length Better wide angle
Max focal length Slightly worse telephoto
Olympus M.Zuiko  ED 75mm f/1.8

Olympus M.Zuiko ED 75mm f/1.8

Sports lens

$599 - $749

Diameter Smaller diameter
Weight Slightly lighter
Lowest price Slightly more expensive
Canon EF 100mm f/2.8 Macro USM

Canon EF 100mm f/2.8 Macro USM

Macro lens

$484 - $599

Wide minimum Significantly narrower aperture
Magnification Significantly more magnification
Aperture Narrower aperture

Sigma 20mm f/1.8 EX DG DF RF Canon EF Competitors

Zeiss Distagon  T* 21mm f/2.8 ZE Canon EF

Zeiss Distagon T* 21mm f/2.8 ZE Canon EF

Wide angle lens

$1,843

Auto focus Auto focus

discussion Which do you think is better?

Speech is free, but discussion at LensHero is moderated! Please discuss your opinion of these lenses here, and discuss feedback for LensHero at our support community.

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