vs

differences

Reasons to consider the Sigma 12-24mm f/4.5-5.6 Pentax-k

Auto focus Yes vs No
Help
More zoom 2x vs 1x
Help
2x more zoom, giving you more flexibility for photos
Sigma 12-24mm f/4.5-5.6 Pentax-k Learn more about
the Sigma 12-24mm f/4.5-5.6 Pentax-k

Reasons to consider the Rokinon 14mm f/2.8 IF ED UMC Canon-ef

Is a prime lens Yes vs No
Help
Prime lenses have a single focal length, they are typically sharper and have wider apertures
Significantly wider aperture f/2.8 vs f/4.5
Help
At its widest, the 14mm f/2.8 IF ED UMC Canon-ef captures slightly more light, 1.4 f-stops
Slightly cheaper $349.00 vs $859.00
Help
The best price we've seen is $510 cheaper (2.5x less)
Slightly lighter 454 g vs 0.6 kg
Help
Around 30% lighter
Rokinon 14mm f/2.8 IF ED UMC Canon-ef Learn more about
the Rokinon 14mm f/2.8 IF ED UMC Canon-ef

similarities

Compared to lenses

Common Strengths Common Weaknesses
Min focal length Good wide-angle Help
12-24mm f/4.5-5.6 Pentax-k:12 mm
14mm f/2.8 IF ED UMC Canon-ef:14 mm
Max focal length Poor telephoto Help
12-24mm f/4.5-5.6 Pentax-k:24 mm
14mm f/2.8 IF ED UMC Canon-ef:14 mm
Focus motor No silent focus motor Help
Louder and slower

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
12-24mm f/4.5-5.6 Pentax-k:2x
14mm f/2.8 IF ED UMC Canon-ef:1x
Image stabilization No image stabilization Help
Risk of blur

competitors

Shared Competitors

Advantages

Disadvantages

Canon EF 8-15mm f/4L USM

Canon EF 8-15mm f/4L USM

Fisheye lens

$1,349

Magnification Has better macro
Fisheye Is a fisheye lens
Aperture Has a narrower aperture
Rokinon 8mm f/3.5 Nikon-f

Rokinon 8mm f/3.5 Nikon-f

Fisheye lens

$250

Fisheye Is a fisheye lens
Aperture Has a narrower aperture
Tamron 14mm f/2.8 IF Nikon-f

Tamron 14mm f/2.8 IF Nikon-f

Wide angle lens

$799

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
Fixed aperture Has a fixed aperture
Aperture Has a narrower aperture
Canon EF-S 10-22mm f/3.5-4.5 USM

Canon EF-S 10-22mm f/3.5-4.5 USM

Wide angle lens

$759

Wide maximum Has a higher max f/stop
Focus motor Has a silent focus motor
Aperture Has a narrower aperture
Canon EF 15mm f/2.8

Canon EF 15mm f/2.8

Fisheye lens

$646

Fisheye Is a fisheye lens
Nikon Nikkor 16mm f/2.8D

Nikon Nikkor 16mm f/2.8D

Fisheye lens

$750

Fisheye Is a fisheye lens

Sigma 12-24mm f/4.5-5.6 Pentax-k Competitors

Advantages

Disadvantages

Nikon Nikkor AF-S 16-35mm f/4G ED VR

Nikon Nikkor AF-S 16-35mm f/4G ED VR

Wide angle lens

$1,257

Image stabilization Image stabilization
Fixed aperture Has a consant aperture
Length Slightly longer
Lowest price Slightly more expensive
Nikon Nikkor  18-35mm f/3.5-4.5D ED-IF

Nikon Nikkor 18-35mm f/3.5-4.5D ED-IF

Wide angle lens

$569

Aperture Wider aperture
Length Slightly shorter
Tokina 17-35mm f/4 Pro FX Nikon-f

Tokina 17-35mm f/4 Pro FX Nikon-f

Wide angle lens

$575

Fixed aperture Has a consant aperture
Aperture Wider aperture
Rokinon 8mm f/2.8 Samsung-nx

Rokinon 8mm f/2.8 Samsung-nx

Fisheye lens

$349

Fisheye Fisheye lens
Prime lens Is a prime lens
Auto focus Auto focus
Zoom range Less zoom
Pentax SMC  DA 12-24mm f/4 ED AL

Pentax SMC DA 12-24mm f/4 ED AL

Wide angle lens

$897

Fixed aperture Has a consant aperture
Aperture Wider aperture

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

Advantages

Disadvantages

Sigma 15mm f/2.8 EX DG Canon-ef

Sigma 15mm f/2.8 EX DG Canon-ef

Fisheye lens

$609

Fisheye Fisheye lens
Auto focus Auto focus
Lowest price Slightly more expensive
Samyang 8mm f/2.8 Fish-eye Samsung-nx

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

Wide angle lens

$349

Auto focus Auto focus
Tokina 11-16mm f/2.8 AT-X 116 Pro DX Canon-ef

Tokina 11-16mm f/2.8 AT-X 116 Pro DX Canon-ef

Wide angle lens

$569

Auto focus Auto focus
Zoom range Slightly more zoom
Prime lens Is a zoom lens
Canon EF 14mm f/2.8L II USM

Canon EF 14mm f/2.8L II USM

Fisheye lens

$2,159

Fisheye Fisheye lens
Auto focus Auto focus
Lowest price More expensive
Weight Slightly heavier
Tokina AT-X 16-28mm f/2.8 Pro FX Canon-ef

Tokina AT-X 16-28mm f/2.8 Pro FX Canon-ef

Wide angle lens

$749

Auto focus Auto focus
Zoom range Slightly more zoom
Prime lens Is a zoom lens
Weight Heavier

discussion Which do you think is better?

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