Sigma
50-200mm f/4-5.6 DC OS HSM Pentax-k
 vs
Sigma
150-500mm f/5-6.3 DG HSM APO Pentax-k

vs

differences

Reasons to consider the Sigma 50-200mm f/4-5.6 DC OS HSM Pentax-k
Image stabilization Sigma OS vs None
Help
 Helps eliminate blur caused by small camera movements
Wider aperture f/4 vs f/5
Help
 At its widest, the 50-200mm f/4-5.6 DC OS HSM Pentax-k captures marginally more light, 0.6 f-stops
Better wide angle 50 mm vs 150 mm
Help
 3x better wide angle
Slightly more zoom 4x vs 3.3x
Help
 Around 20% more zoom, giving you more flexibility for photos
Sigma 50-200mm f/4-5.6 DC OS HSM Pentax-k Learn more about
the Sigma 50-200mm f/4-5.6 DC OS HSM Pentax-k

Reasons to consider the Sigma 150-500mm f/5-6.3 DG HSM APO Pentax-k
Much better telephoto 500 mm vs 200 mm
Help
 2.5x 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
Focus motor Silent focus motor Help
Silent and fast
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Aperture Very narrow widest aperture size Help
50-200mm f/4-5.6 DC OS HSM 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.

LensHero is not aware of any interesting weaknesses shared by these two products.

competitors

Shared Competitors

Advantages

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

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

Macro lens

$209
Wide maximum Has a higher max f/stop
Magnification Has better macro
Focus motor Lacks a silent focus motor
Compare the 70-300mm f/4-5.6 APO DG Macro Pentax-k vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Compare the 70-300mm f/4-5.6 APO DG Macro Pentax-k vs the 150-500mm f/5-6.3 DG HSM APO Pentax-k
Sigma 18-250mm f/3.5-6.3 DC OS HSM Pentax-k

Sigma 18-250mm f/3.5-6.3 DC OS HSM Pentax-k

Travel lens

$479
Wide maximum Has a higher max f/stop
Zoom range Has way more large zoom range
Compare the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Compare the 18-250mm f/3.5-6.3 DC OS HSM 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
Wide maximum Has a higher max f/stop
Zoom range Has way more large zoom range
Focus motor Lacks a silent focus motor
Compare the 18-200mm f/3.5-6.3 DC Pentax-k vs the 50-200mm f/4-5.6 DC OS HSM 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 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

$299
Wide maximum Has a higher max f/stop
Zoom range Has way more large zoom range
Focus motor Lacks a silent focus motor
Compare the 28-300mm f/3.5-6.3 DG Macro Pentax-k vs the 50-200mm f/4-5.6 DC OS HSM 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 50-500mm f/4.5-6.3 APO DG OS HSM Pentax-k

Sigma 50-500mm f/4.5-6.3 APO DG OS HSM Pentax-k

Wildlife lens

$1,599
Wide maximum Has a higher max f/stop
Zoom range Has much large zoom range
Lowest price Is slightly more expensive
Length Is longer
Compare the 50-500mm f/4.5-6.3 APO DG OS HSM Pentax-k vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Compare the 50-500mm f/4.5-6.3 APO DG OS HSM Pentax-k vs the 150-500mm f/5-6.3 DG HSM APO Pentax-k

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

Advantages

Disadvantages
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
Wide maximum Much narrower aperture
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the SMC DA 50-200mm f/4-5.6 ED WR vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Tamron SP 90mm f/2.8 Di Macro Pentax-k

Tamron SP 90mm f/2.8 Di Macro Pentax-k

Macro lens

$460
Wide maximum Much narrower aperture
Magnification Much more magnification
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the SP 90mm f/2.8 Di Macro Pentax-k vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Sigma 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k

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

Sports lens

$799
Wide maximum Much narrower aperture
Fixed aperture Has a consant aperture
Image stabilization No image stabilization
Length Longer
Compare the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Pentax SMC DA 55-300mm f/4-5.8 ED

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

Wildlife lens

$397
Wide maximum Much narrower aperture
Max focal length Better telephoto
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the SMC DA 55-300mm f/4-5.8 ED vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Sony 2 55-200mm f/4-5.6 DT

Sony 2 55-200mm f/4-5.6 DT

Wildlife lens

$200
Wide maximum Much narrower aperture
Magnification Slightly more magnification
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the 2 55-200mm f/4-5.6 DT vs the 50-200mm f/4-5.6 DC OS HSM 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 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
Fixed aperture Has a consant aperture
Aperture Wider aperture
Max focal length Significantly worse telephoto
Zoom range Slightly less zoom
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
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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