differences

Reasons to consider the Sigma 8mm f/3.5 EX DG Circular Canon EF

Is a prime lens Yes vs No
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Prime lenses have a single focal length, they are typically sharper and have wider apertures
Wider aperture f/3.5 vs f/4
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At its widest, the 8mm f/3.5 EX DG Circular Canon EF captures marginally more light (0.4 f-stops)
Slightly smaller diameter 74 mm vs 79 mm
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Around 10% smaller lens at the end
Slightly shorter 69 mm vs 83 mm
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Around 20% shorter
Slightly cheaper $893.85 vs $1,081.99
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The best price we've seen is $188 cheaper (around 20% less)
Slightly lighter 400 g vs 0.5 kg
Help
Around 30% lighter
Sigma 8mm f/3.5 EX DG Circular Canon EF Learn more about
the Sigma 8mm f/3.5 EX DG Circular Canon EF

Reasons to consider the Canon EF 8-15mm f/4L USM

More zoom 1.9x vs 1x
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Around 90% more zoom, giving you more flexibility for photos
Slightly more magnification 1:2.9 (0.3) vs 1:4.8 (0.2)
Help
Take macro shots with subjects more than 60% larger in your photo
Canon EF 8-15mm f/4L USM Learn more about
the Canon EF 8-15mm f/4L USM

similarities

Compared to digital camera lenses

Common Strengths Common Weaknesses
Fisheye Both are fisheye lenses Help
Extremely wide circular images
Auto focus Auto focus Help
Easier to use
Min focal length Good wide-angle Help
8 mm
Max focal length Poor telephoto Help
8mm f/3.5 EX DG Circular Canon EF8 mm
EF 8-15mm f/4L USM15 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

Canon EF 8-15mm f/4L USM Competitors

Samyang 8mm f/2.8 Fish-eye

Samyang 8mm f/2.8 Fish-eye

Lens

$467

Prime lens Is a prime lens
Aperture Wider aperture
Fisheye Not a fisheye
Rokinon 8mm f/3.5 Canon EF

Rokinon 8mm f/3.5 Canon EF

Fisheye lens

$190 - $199

Prime lens Is a prime lens
Lowest price Cheaper
Auto focus Auto focus
Canon EF 11-24mm f/4L USM

Canon EF 11-24mm f/4L USM

Wide angle lens

$2,309 - $2,699

Zoom range Slightly more zoom
Fisheye Not a fisheye

Sigma 8mm f/3.5 EX DG Circular Canon EF Competitors

discussion Which do you think is better?

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