Sigma 8mm f/3.5 EX DG Circular Nikon-f vs 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

differences

Reasons to consider the Sigma 8mm f/3.5 EX DG Circular Nikon-f

Fisheye lens

Yes

Fisheye lenses take extremely wide 'circular' looking images

Is a prime lens

Yes

Prime lenses have a single focal length, they are typically sharper and have wider apertures

Significantly shorter

68 mm

184 mm

2.7x shorter

Lighter

400 g

1.4 kg

3.4x lighter

Better wide angle

8 mm

70 mm

8.7x better wide angle

Learn more about
the Sigma 8mm f/3.5 EX DG Circular Nikon-f

Reasons to consider the Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Has a silent focus motor

Sigma HSM

None

Focuses quickly and silently

Significantly better telephoto

200 mm

8 mm

25x more reach, less perspective distortion

Wider aperture

f/2.8

f/3.5

At its widest, the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k captures slightly more light, 0.6 f-stops

More zoom

2.9x

Around 3x more zoom, giving you more flexibility for photos

Slightly more magnification

1:3.5 (0.3x)

1:4.6 (0.2x)

Take macro shots with subjects more than 30% larger in your photo

Learn more about
the Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

similarities

Compared to 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

Sigma 8-16mm f/4.5-5.6 DC HSM Canon-ef

Wide angle lens

$649

Has a narrower aperture

Has a variable aperture

Compare the 8-16mm f/4.5-5.6 DC HSM Canon-ef vs the 8mm f/3.5 EX DG Circular Nikon-f

Compare the 8-16mm f/4.5-5.6 DC HSM Canon-ef vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Nikon Nikkor 10.5mm f/2.8G ED DX

Fisheye lens

$649

Compare the Nikkor 10.5mm f/2.8G ED DX vs the 8mm f/3.5 EX DG Circular Nikon-f

Compare the Nikkor 10.5mm f/2.8G ED DX vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Sigma 15mm f/2.8 EX DG Nikon-f

Fisheye lens

$609

Wider aperture

Slightly more magnification

Compare the 15mm f/2.8 EX DG Nikon-f vs the 8mm f/3.5 EX DG Circular Nikon-f

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

Fisheye lens

$649

Has a silent focus motor

Wider aperture

Slightly longer

Compare the 10mm f/2.8 EX DC HSM Canon-ef vs the 8mm f/3.5 EX DG Circular Nikon-f

Rokinon 8mm f/3.5 Canon-ef

Fisheye lens

$269

Slightly cheaper

Auto focus

Compare the 8mm f/3.5 Canon-ef vs the 8mm f/3.5 EX DG Circular Nikon-f

Nikon Nikkor 16mm f/2.8D

Fisheye lens

$750

Wider aperture

Slightly shorter

Less magnification

Compare the Nikkor 16mm f/2.8D vs the 8mm f/3.5 EX DG Circular Nikon-f

Lensbaby Scout Mount Fisheye Nikon-f

Fisheye lens

$250

Slightly cheaper

Slightly lighter

Much wider aperture

Narrower aperture

Compare the Scout Mount Fisheye Nikon-f vs the 8mm f/3.5 EX DG Circular Nikon-f

Sigma 50-200mm f/4-5.6 DC OS HSM Pentax-k

Wildlife lens

$159

Image stabilization

Shorter

Much wider aperture

Has a variable aperture

Compare the 50-200mm f/4-5.6 DC OS HSM Pentax-k vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Pentax SMC 60-250mm f/4 ED DA SDM*

Wildlife lens

$1,397

Significantly narrower aperture

More zoom

Narrower aperture

Less magnification

Compare the SMC 60-250mm f/4 ED DA* SDM vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Pentax SMC DA 70mm f/2.4

Low light lens

$697

Is a prime lens

Significantly shorter

Doesn't have a silent focus motor

Worse telephoto

Compare the SMC DA 70mm f/2.4 vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Sigma 300-800mm f/5.6 EX DG APO IF HSM Canon-ef

Wildlife lens

$7,999

Much better telephoto

Significantly narrower aperture

Much longer

Much heavier

Compare the 300-800mm f/5.6 EX DG APO IF HSM Canon-ef vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

Pentax SMC DA FA 100mm f/2.8 WR Macro

Macro lens

$847

Much more magnification

Is a prime lens

Doesn't have a silent focus motor

Worse telephoto

Compare the SMC DA FA 100mm f/2.8 WR Macro vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

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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Sigma
8mm f/3.5 EX DG Circular Nikon-f
vs
Sigma
70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

differences

Reasons to consider the Sigma 8mm f/3.5 EX DG Circular Nikon-f

Reasons to consider the Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k