Sigma
70-300mm f/4-5.6 APO DG Macro Pentax-k
 vs
Sigma
150-500mm f/5-6.3 DG HSM APO Pentax-k

vs

differences

Reasons to consider the Sigma 70-300mm f/4-5.6 APO DG Macro Pentax-k
Wider aperture f/4 vs f/5
Help
 At its widest, the 70-300mm f/4-5.6 APO DG Macro Pentax-k captures marginally more light, 0.6 f-stops
Better wide angle 70 mm vs 150 mm
Help
 2.1x better wide angle
More zoom 4.3x vs 3.3x
Help
 Around 30% more zoom, giving you more flexibility for photos
Sigma 70-300mm f/4-5.6 APO DG Macro Pentax-k Learn more about
the Sigma 70-300mm f/4-5.6 APO DG Macro Pentax-k

Reasons to consider the Sigma 150-500mm f/5-6.3 DG HSM APO Pentax-k
Has a silent focus motor Sigma HSM vs None
Help
 Focuses quickly and silently
Significantly better telephoto 500 mm vs 300 mm
Help
 Around 70% more reach, less perspective distortion
Sigma 150-500mm f/5-6.3 DG HSM APO Pentax-k Learn more about
the Sigma 150-500mm f/5-6.3 DG HSM APO Pentax-k

similarities

Compared to lenses

Common Strengths Common Weaknesses
Max focal length Good telephoto Help
70-300mm f/4-5.6 APO DG Macro Pentax-k:300 mm
150-500mm f/5-6.3 DG HSM APO Pentax-k:500 mm
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Aperture Very narrow widest aperture size Help
70-300mm f/4-5.6 APO DG Macro Pentax-k:f/4
150-500mm f/5-6.3 DG HSM APO Pentax-k:f/5
Fixed aperture Both are variable aperture lenses Help
Narrower aperture at longer focal lengths

Compared to wildlife lenses

Common Strengths Common Weaknesses

LensHero is not aware of any interesting strengths shared by these two products.
Image stabilization No image stabilization Help
Risk of blur

competitors

Shared Competitors

Advantages

Disadvantages
Sigma 100-300mm f/4 EX DG IF HSM Canon-ef

Sigma 100-300mm f/4 EX DG IF HSM Canon-ef

Wildlife lens

$1,049
Wide maximum Has a higher max f/stop
Fixed aperture Has a fixed aperture
Magnification Has worse macro
Length Is longer
Compare the 100-300mm f/4 EX DG IF HSM Canon-ef vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k
Compare the 100-300mm f/4 EX DG IF HSM Canon-ef vs the 150-500mm f/5-6.3 DG HSM APO Pentax-k
Sigma 28-300mm f/3.5-6.3 DG Macro Pentax-k

Sigma 28-300mm f/3.5-6.3 DG Macro Pentax-k

Wildlife lens

$279
Zoom range Has much large zoom range
Magnification Has worse macro
Compare the 28-300mm f/3.5-6.3 DG Macro Pentax-k vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k
Compare the 28-300mm f/3.5-6.3 DG Macro Pentax-k vs the 150-500mm f/5-6.3 DG HSM APO Pentax-k
Sigma 18-200mm f/3.5-6.3 DC Pentax-k

Sigma 18-200mm f/3.5-6.3 DC Pentax-k

Travel lens

$249
Min focal length Has a slightly wider wide angle lens
Zoom range Has way more large zoom range
Max focal length Has a slightly longer telephoto lens
Magnification Has worse macro
Compare the 18-200mm f/3.5-6.3 DC Pentax-k vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k
Compare the 18-200mm f/3.5-6.3 DC Pentax-k vs the 150-500mm f/5-6.3 DG HSM APO Pentax-k

Sigma 70-300mm f/4-5.6 APO DG Macro Pentax-k Competitors

Advantages

Disadvantages
Pentax SMC DA 55-300mm f/4-5.8 ED

Pentax SMC DA 55-300mm f/4-5.8 ED

Wildlife lens

$397
Zoom range More zoom
Min focal length Slightly better wide angle
Magnification Less magnification
Compare the SMC DA 55-300mm f/4-5.8 ED vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k
Tamron 90mm f/2.8 SP Di Macro Nikon-f

Tamron 90mm f/2.8 SP Di Macro Nikon-f

Macro lens

$499
Prime lens Is a prime lens
Magnification Significantly more magnification
Max focal length Significantly worse telephoto
Zoom range Less zoom
Compare the 90mm f/2.8 SP Di Macro Nikon-f vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k
Pentax SMC DA 50-200mm f/4-5.6 ED WR

Pentax SMC DA 50-200mm f/4-5.6 ED WR

Wildlife lens

$197
Weight Slightly lighter
Min focal length Slightly better wide angle
Magnification Less magnification
Max focal length Worse telephoto
Compare the SMC DA 50-200mm f/4-5.6 ED WR vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k
Sigma 300mm f/2.8 EX DG Pentax-k

Sigma 300mm f/2.8 EX DG Pentax-k

Sports lens

$2,999
Prime lens Is a prime lens
Wide maximum Significantly narrower aperture
Min focal length Much worse wide angle
Weight Significantly heavier
Compare the 300mm f/2.8 EX DG Pentax-k vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k
Sigma 70mm f/2.8 EX DG Macro Canon-ef

Sigma 70mm f/2.8 EX DG Macro Canon-ef

Macro lens

$449
Prime lens Is a prime lens
Magnification Significantly more magnification
Max focal length Significantly worse telephoto
Zoom range Less zoom
Compare the 70mm f/2.8 EX DG Macro Canon-ef vs the 70-300mm f/4-5.6 APO DG Macro Pentax-k

Sigma 150-500mm f/5-6.3 DG HSM APO Pentax-k Competitors

Advantages

Disadvantages
Sigma 120-400mm f/4.5-5.6 DG OS HSM APO Canon-ef

Sigma 120-400mm f/4.5-5.6 DG OS HSM APO Canon-ef

Wildlife lens

$899
Image stabilization Image stabilization
Aperture Wider aperture
Max focal length Worse telephoto
Compare the 120-400mm f/4.5-5.6 DG OS HSM APO Canon-ef vs the 150-500mm f/5-6.3 DG HSM APO Pentax-k
Tamron 200-500mm f/5-6.3 Di LD IF Sony-alpha

Tamron 200-500mm f/5-6.3 Di LD IF Sony-alpha

Wildlife lens

$949
Focus motor Doesn't have a silent focus motor
Min focal length Worse wide angle
Compare the 200-500mm f/5-6.3 Di LD IF Sony-alpha vs the 150-500mm f/5-6.3 DG HSM APO Pentax-k
Sigma 120-400mm f/4.5-5.6 DG HSM APO Pentax-k

Sigma 120-400mm f/4.5-5.6 DG HSM APO Pentax-k

Wildlife lens

$899
Aperture Wider aperture
Min focal length Slightly better wide angle
Max focal length Worse telephoto
Compare the 120-400mm f/4.5-5.6 DG HSM APO Pentax-k vs the 150-500mm f/5-6.3 DG HSM APO Pentax-k
Pentax SMC DA* 300mm f/4 ED SDM

Pentax SMC DA* 300mm f/4 ED SDM

Wildlife lens

$1,397
Prime lens Is a prime lens
Aperture Wider aperture
Min focal length Significantly worse wide angle
Max focal length Significantly worse telephoto
Compare the SMC DA* 300mm f/4 ED SDM vs the 150-500mm f/5-6.3 DG HSM APO Pentax-k
Nikon Nikkor AF-S VR 70-300mm f/4.5-5.6G IF-ED

Nikon Nikkor AF-S VR 70-300mm f/4.5-5.6G IF-ED

Wildlife lens

$587
Image stabilization Image stabilization
Min focal length Better wide angle
Max focal length Significantly worse telephoto
Compare the Nikkor AF-S VR 70-300mm f/4.5-5.6G IF-ED vs the 150-500mm f/5-6.3 DG HSM APO 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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