Sigma
4.5mm f/2.8 EX DC HSM Canon-ef
 vs
Rokinon
8mm f/3.5 Nikon-f

vs

differences

Reasons to consider the Sigma 4.5mm f/2.8 EX DC HSM Canon-ef
Auto focus Yes vs No
Help
Has a silent focus motor Sigma HSM vs None
Help
 Focuses quickly and silently
Wider aperture f/2.8 vs f/3.5
Help
 At its widest, the 4.5mm f/2.8 EX DC HSM Canon-ef captures slightly more light, 0.6 f-stops
Sigma 4.5mm f/2.8 EX DC HSM Canon-ef Learn more about
the Sigma 4.5mm f/2.8 EX DC HSM Canon-ef

Reasons to consider the Rokinon 8mm f/3.5 Nikon-f
Slightly cheaper $269.00 vs $799.00
Help
 The best price we've seen is $530 cheaper (3x less)
Rokinon 8mm f/3.5 Nikon-f Learn more about
the Rokinon 8mm f/3.5 Nikon-f

similarities

Compared to lenses

Common Strengths Common Weaknesses
Fisheye Both are fisheye lenses Help
Extremely wide circular images
Prime lens Fixed focal length prime lenses Help
Typically very sharp
Min focal length Good wide-angle Help
4.5mm f/2.8 EX DC HSM Canon-ef:4.5 mm
8mm f/3.5 Nikon-f:8 mm
Max focal length Poor telephoto Help
4.5mm f/2.8 EX DC HSM Canon-ef:4.5 mm
8mm f/3.5 Nikon-f:8 mm
Zoom range Poor zoom Help
1x

Compared to fisheye 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

Shared Competitors

Advantages

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

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

Fisheye lens

$649
Magnification Has better macro
Compare the 10mm f/2.8 EX DC HSM Canon-ef vs the 4.5mm f/2.8 EX DC HSM Canon-ef
Compare the 10mm f/2.8 EX DC HSM Canon-ef vs the 8mm f/3.5 Nikon-f
Nikon Nikkor 10.5mm f/2.8G ED DX

Nikon Nikkor 10.5mm f/2.8G ED DX

Fisheye lens

$649
Compare the Nikkor 10.5mm f/2.8G ED DX vs the 4.5mm f/2.8 EX DC HSM Canon-ef
Compare the Nikkor 10.5mm f/2.8G ED DX vs the 8mm f/3.5 Nikon-f
Tamron 14mm f/2.8 IF Nikon-f

Tamron 14mm f/2.8 IF Nikon-f

Wide angle lens

$799
Fisheye Is not a fisheye lens
Compare the 14mm f/2.8 IF Nikon-f vs the 4.5mm f/2.8 EX DC HSM Canon-ef
Compare the 14mm f/2.8 IF Nikon-f vs the 8mm f/3.5 Nikon-f
Canon EF 8-15mm f/4L USM

Canon EF 8-15mm f/4L USM

Fisheye lens

$1,499
Magnification Has better macro
Lowest price Is slightly more expensive
Aperture Has a narrower aperture
Compare the EF 8-15mm f/4L USM vs the 4.5mm f/2.8 EX DC HSM Canon-ef
Compare the EF 8-15mm f/4L USM vs the 8mm f/3.5 Nikon-f
Nikon Nikkor 16mm f/2.8D

Nikon Nikkor 16mm f/2.8D

Fisheye lens

$750
Compare the Nikkor 16mm f/2.8D vs the 4.5mm f/2.8 EX DC HSM Canon-ef
Compare the Nikkor 16mm f/2.8D vs the 8mm f/3.5 Nikon-f
Samyang 8mm f/2.8 Fish-eye Samsung-nx

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

Wide angle lens

$349
Fisheye Is not a fisheye lens
Compare the 8mm f/2.8 Fish-eye Samsung-nx vs the 4.5mm f/2.8 EX DC HSM Canon-ef
Compare the 8mm f/2.8 Fish-eye Samsung-nx vs the 8mm f/3.5 Nikon-f
Rokinon 14mm f/2.8 IF ED UMC Canon-ef

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

Wide angle lens

$349
Fisheye Is not a fisheye lens
Compare the 14mm f/2.8 IF ED UMC Canon-ef vs the 4.5mm f/2.8 EX DC HSM Canon-ef
Compare the 14mm f/2.8 IF ED UMC Canon-ef vs the 8mm f/3.5 Nikon-f

Sigma 4.5mm f/2.8 EX DC HSM Canon-ef Competitors

Advantages

Disadvantages
Samyang 24mm f/1.4 ED AS UMC Samsung-nx

Samyang 24mm f/1.4 ED AS UMC Samsung-nx

Low light lens

$675
Aperture Significantly wider aperture
Max focal length Slightly better telephoto
Fisheye Not a fisheye
Focus motor Doesn't have a silent focus motor
Compare the 24mm f/1.4 ED AS UMC Samsung-nx vs the 4.5mm f/2.8 EX DC HSM Canon-ef
Sigma 8mm f/3.5 EX DG Circular Nikon-f

Sigma 8mm f/3.5 EX DG Circular Nikon-f

Fisheye lens

$899
Magnification Slightly more magnification
Length Slightly shorter
Focus motor Doesn't have a silent focus motor
Aperture Narrower aperture
Compare the 8mm f/3.5 EX DG Circular Nikon-f vs the 4.5mm f/2.8 EX DC HSM Canon-ef
Lensbaby Composer Special Effects Fisheye Four-thirds

Lensbaby Composer Special Effects Fisheye Four-thirds

Fisheye lens

$179
Lowest price Slightly cheaper
Weight Slightly lighter
Focus motor Doesn't have a silent focus motor
Compare the Composer Special Effects Fisheye Four-thirds vs the 4.5mm f/2.8 EX DC HSM Canon-ef

Rokinon 8mm f/3.5 Nikon-f Competitors

Advantages

Disadvantages
Canon EF 15mm f/2.8

Canon EF 15mm f/2.8

Fisheye lens

$646
Auto focus Auto focus
Aperture Wider aperture
Lowest price Slightly more expensive
Compare the EF 15mm f/2.8 vs the 8mm f/3.5 Nikon-f
Samyang 8mm f/2.8 Samsung-nx

Samyang 8mm f/2.8 Samsung-nx

Fisheye lens

$349
Auto focus Auto focus
Aperture Wider aperture
Compare the 8mm f/2.8 Samsung-nx vs the 8mm f/3.5 Nikon-f

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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