Zeiss Distagon
T* 21mm f/2.8 ZE Canon-ef
 vs
Sigma
15mm f/2.8 EX DG Canon-ef

vs

differences

Reasons to consider the Zeiss T* 21mm f/2.8 ZE Canon-ef
LensHero is not aware of any important advantages of the Zeiss T* 21mm f/2.8 ZE Canon-ef vs the Sigma 15mm f/2.8 EX DG Canon-ef.
Zeiss Distagon T* 21mm f/2.8 ZE Canon-ef Learn more about
the Zeiss T* 21mm f/2.8 ZE Canon-ef

Reasons to consider the Sigma 15mm f/2.8 EX DG Canon-ef
Fisheye lens Yes vs No
Help
 Fisheye lenses take extremely wide 'circular' looking images
Auto focus Yes vs No
Help
Cheaper $609.00 vs $1,843.00
Help
 The best price we've seen is $1,234 cheaper (3x less)
Shorter 65 mm vs 109 mm
Help
 More than 40% shorter
Slightly more magnification 1:3.8 (0.3x) vs 1:5 (0.2x)
Help
 Take macro shots with subjects more than 30% larger in your photo
Slightly lighter 370 g vs 0.6 kg
Help
 More than 40% lighter
Slightly smaller diameter 73 mm vs 87 mm
Help
 Around 20% smaller lens at the end
Sigma 15mm f/2.8 EX DG Canon-ef Learn more about
the Sigma 15mm f/2.8 EX DG Canon-ef

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
T* 21mm f/2.8 ZE Canon-ef:21 mm
15mm f/2.8 EX DG Canon-ef:15 mm
Focus motor No silent focus motor Help
Louder and slower
Zoom range Poor zoom Help
1x

competitors

Shared Competitors

Advantages

Disadvantages
Zeiss Distagon T* 15mm f/2.8 ZE Canon-ef

Zeiss Distagon T* 15mm f/2.8 ZE Canon-ef

Wide angle lens

$2,950
Lowest price Is slightly more expensive
Compare the Distagon T* 15mm f/2.8 ZE Canon-ef vs the Distagon T* 21mm f/2.8 ZE Canon-ef
Compare the Distagon T* 15mm f/2.8 ZE Canon-ef vs the 15mm f/2.8 EX DG Canon-ef
Canon EF 14mm f/2.8L II USM

Canon EF 14mm f/2.8L II USM

Fisheye lens

$2,159
Focus motor Has a silent focus motor
Lowest price Is slightly more expensive
Compare the EF 14mm f/2.8L II USM vs the Distagon T* 21mm f/2.8 ZE Canon-ef
Compare the EF 14mm f/2.8L II USM vs the 15mm f/2.8 EX DG Canon-ef
Canon EF 17-40mm f/4L USM

Canon EF 17-40mm f/4L USM

Wide angle lens

$739
Focus motor Has a silent focus motor
Aperture Has a narrower aperture
Prime lens Is a zoom lens
Compare the EF 17-40mm f/4L USM vs the Distagon T* 21mm f/2.8 ZE Canon-ef
Compare the EF 17-40mm f/4L USM vs the 15mm f/2.8 EX DG Canon-ef
Canon EF 16-35mm f/2.8L II USM

Canon EF 16-35mm f/2.8L II USM

Fisheye lens

$1,499 - $1,699
Focus motor Has a silent focus motor
Prime lens Is a zoom lens
Compare the EF 16-35mm f/2.8L II USM vs the Distagon T* 21mm f/2.8 ZE Canon-ef
Compare the EF 16-35mm f/2.8L II USM vs the 15mm f/2.8 EX DG Canon-ef

Zeiss Distagon T* 21mm f/2.8 ZE Canon-ef Competitors

Advantages

Disadvantages
Canon TS-E 24mm f/3.5L II

Canon TS-E 24mm f/3.5L II

Tilt-shift lens

$1,999
Tilt-shift Tilt-shift lens
Magnification More magnification
Aperture Narrower aperture
Diameter Slightly larger diameter
Compare the TS-E 24mm f/3.5L II vs the Distagon T* 21mm f/2.8 ZE Canon-ef
Canon TS-E 17mm f/4L

Canon TS-E 17mm f/4L

Tilt-shift lens

$2,499
Tilt-shift Tilt-shift lens
Length Slightly shorter
Aperture Narrower aperture
Lowest price Slightly more expensive
Compare the TS-E 17mm f/4L vs the Distagon T* 21mm f/2.8 ZE Canon-ef
Canon EF 28mm f/1.8 USM

Canon EF 28mm f/1.8 USM

Low light lens

$449
Auto focus Auto focus
Focus motor Has a silent focus motor
Compare the EF 28mm f/1.8 USM vs the Distagon T* 21mm f/2.8 ZE Canon-ef
Zeiss Distagon T* 25mm f/2.8 ZF.2 Nikon-f

Zeiss Distagon T* 25mm f/2.8 ZF.2 Nikon-f

Wide angle lens

$1,004
Length Shorter
Lowest price Cheaper
Compare the Distagon T* 25mm f/2.8 ZF.2 Nikon-f vs the Distagon T* 21mm f/2.8 ZE Canon-ef
Zeiss Distagon T* 25mm f/2 ZE Canon-ef

Zeiss Distagon T* 25mm f/2 ZE Canon-ef

Low light lens

$1,699
Magnification More magnification
Aperture Wider aperture
Compare the Distagon T* 25mm f/2 ZE Canon-ef vs the Distagon T* 21mm f/2.8 ZE Canon-ef

Sigma 15mm f/2.8 EX DG Canon-ef Competitors

Advantages

Disadvantages
Canon EF 15mm f/2.8

Canon EF 15mm f/2.8

Fisheye lens

$646
Magnification Less magnification
Compare the EF 15mm f/2.8 vs the 15mm f/2.8 EX DG Canon-ef
Rokinon 14mm f/2.8 IF ED UMC Canon-ef

Rokinon 14mm f/2.8 IF ED UMC Canon-ef

Wide angle lens

$349
Lowest price Slightly cheaper
Fisheye Not a fisheye
Auto focus Auto focus
Compare the 14mm f/2.8 IF ED UMC Canon-ef vs the 15mm f/2.8 EX DG Canon-ef
Rokinon 8mm f/3.5 Nikon-f

Rokinon 8mm f/3.5 Nikon-f

Fisheye lens

$250
Lowest price Slightly cheaper
Auto focus Auto focus
Aperture Narrower aperture
Compare the 8mm f/3.5 Nikon-f vs the 15mm f/2.8 EX DG Canon-ef
Samyang 8mm f/2.8 Fish-eye Samsung-nx

Samyang 8mm f/2.8 Fish-eye Samsung-nx

Wide angle lens

$349
Lowest price Slightly cheaper
Fisheye Not a fisheye
Compare the 8mm f/2.8 Fish-eye Samsung-nx vs the 15mm f/2.8 EX DG Canon-ef
Sigma 10mm f/2.8 EX DC HSM Canon-ef

Sigma 10mm f/2.8 EX DC HSM Canon-ef

Fisheye lens

$649
Focus motor Has a silent focus motor
Magnification Slightly more magnification
Length Slightly longer
Compare the 10mm f/2.8 EX DC HSM Canon-ef vs the 15mm f/2.8 EX DG Canon-ef

discussion Which do you think is better?

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