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

vs

differences

Reasons to consider the Sigma 8-16mm f/4.5-5.6 DC HSM Canon-ef
Lighter 0.6 kg vs 1.4 kg
Help
 2.5x lighter
Better wide angle 8 mm vs 70 mm
Help
 8.7x better wide angle
Sigma 8-16mm f/4.5-5.6 DC HSM Canon-ef Learn more about
the Sigma 8-16mm f/4.5-5.6 DC HSM Canon-ef

Reasons to consider the Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k
Has a consant aperture Yes vs No
Help
 Constant aperture lenses offer the same aperture at all focal lengths
Significantly wider aperture f/2.8 vs f/4.5
Help
 At its widest, the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k captures slightly more light, 1.4 f-stops
Significantly better telephoto 200 mm vs 16 mm
Help
 12.5x more reach, less perspective distortion
More magnification 1:3.5 (0.3x) vs 1:7.8 (0.1x)
Help
 Take macro shots with subjects more than 2x larger in your photo
Slightly more zoom 2.9x vs 2x
Help
 More than 40% more zoom, giving you more flexibility for photos
Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k 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
Focus motor Silent focus motor Help
Silent and fast
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses

competitors

Shared Competitors

Advantages

Disadvantages

No significant shared competitors found.

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

Advantages

Disadvantages
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
Aperture Wider aperture
Wide maximum Narrower aperture
Compare the EF-S 10-22mm f/3.5-4.5 USM vs the 8-16mm f/4.5-5.6 DC HSM Canon-ef
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

$599
Fixed aperture Has a consant aperture
Aperture Significantly wider aperture
Focus motor Doesn't have a silent focus motor
Zoom range Slightly less zoom
Compare the 11-16mm f/2.8 AT-X 116 Pro DX Canon-ef vs the 8-16mm f/4.5-5.6 DC HSM Canon-ef
Sigma 10-20mm f/4-5.6 EX DC HSM Canon-ef

Sigma 10-20mm f/4-5.6 EX DC HSM Canon-ef

Wide angle lens

$479
Aperture Wider aperture
Compare the 10-20mm f/4-5.6 EX DC HSM Canon-ef vs the 8-16mm f/4.5-5.6 DC HSM Canon-ef
Canon EF 16-35mm f/2.8L II USM

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

Fisheye lens

$1,699
Fisheye Fisheye lens
Fixed aperture Has a consant aperture
Lowest price More expensive
Compare the EF 16-35mm f/2.8L II USM vs the 8-16mm f/4.5-5.6 DC HSM Canon-ef
Tamron SP 10-24mm f/3.5-4.5 DI II Canon-ef

Tamron SP 10-24mm f/3.5-4.5 DI II Canon-ef

Wide angle lens

$499
Aperture Wider aperture
Magnification Slightly more magnification
Wide maximum Much wider aperture
Focus motor Doesn't have a silent focus motor
Compare the SP 10-24mm f/3.5-4.5 DI II Canon-ef vs the 8-16mm f/4.5-5.6 DC HSM Canon-ef

Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k Competitors

Advantages

Disadvantages
Pentax SMC DA 70mm f/2.4

Pentax SMC DA 70mm f/2.4

Low light lens

$697
Prime lens Is a prime lens
Length Significantly shorter
Focus motor Doesn't have a silent focus motor
Max focal length 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 50-200mm f/4-5.6 DC OS HSM Pentax-k

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

Wildlife lens

$159
Image stabilization Image stabilization
Length Shorter
Wide maximum Much wider aperture
Fixed 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

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

Wildlife lens

$1,397
Wide maximum Significantly narrower aperture
Zoom range More zoom
Aperture Narrower aperture
Magnification 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
Sigma 300-800mm f/5.6 EX DG APO IF HSM Canon-ef

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

Wildlife lens

$7,999
Max focal length Much better telephoto
Wide maximum Significantly narrower aperture
Length Much longer
Weight 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
Nikon Nikkor AF 80-200mm f/2.8D ED

Nikon Nikkor AF 80-200mm f/2.8D ED

Sports lens

$999
Focus motor Doesn't have a silent focus motor
Magnification Less magnification
Compare the Nikkor AF 80-200mm f/2.8D ED vs the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

discussion Which do you think is better?

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