Sigma
18-250mm f/3.5-6.3 DC OS HSM Pentax-k
 vs
Sigma
18-200mm f/3.5-6.3 II DC Nikon-f

vs

differences

Reasons to consider the Sigma 18-250mm f/3.5-6.3 DC OS HSM Pentax-k
Has a silent focus motor Sigma HSM vs None
Help
 Focuses quickly and silently
Image stabilization Sigma OS vs None
Help
 Helps eliminate blur caused by small camera movements
More zoom 13.9x vs 11.1x
Help
 Around 30% more zoom, giving you more flexibility for photos
Better telephoto 250 mm vs 200 mm
Help
 Around 30% more reach, less perspective distortion
Slightly more magnification 1:3.4 (0.3x) vs 1:4.4 (0.2x)
Help
 Take macro shots with subjects around 30% larger in your photo
Sigma 18-250mm f/3.5-6.3 DC OS HSM Pentax-k Learn more about
the Sigma 18-250mm f/3.5-6.3 DC OS HSM Pentax-k

Reasons to consider the Sigma 18-200mm f/3.5-6.3 II DC Nikon-f
Slightly lighter 405 g vs 0.6 kg
Help
 Around 40% lighter
Sigma 18-200mm f/3.5-6.3 II DC Nikon-f Learn more about
the Sigma 18-200mm f/3.5-6.3 II DC Nikon-f

similarities

Compared to lenses

Common Strengths Common Weaknesses
Zoom range Incredible zoom Help
18-250mm f/3.5-6.3 DC OS HSM Pentax-k:13.9x
18-200mm f/3.5-6.3 II DC Nikon-f:11.1x
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Fixed aperture Both are variable aperture lenses Help
Narrower aperture at longer focal lengths

Compared to travel 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
Tamron 18-270mm f/3.5-6.3 Di II VC PZD Nikon-f

Tamron 18-270mm f/3.5-6.3 Di II VC PZD Nikon-f

Travel lens

$649
Compare the 18-270mm f/3.5-6.3 Di II VC PZD Nikon-f vs the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k
Compare the 18-270mm f/3.5-6.3 Di II VC PZD Nikon-f vs the 18-200mm f/3.5-6.3 II DC Nikon-f
Pentax SMC DA 18-135mm f/3.5-5.6 ED AL DC WR

Pentax SMC DA 18-135mm f/3.5-5.6 ED AL DC WR

Travel lens

$497
Wide maximum Has a higher max f/stop
Zoom range Has significantly smaller zoom range
Compare the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR vs the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k
Compare the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR vs the 18-200mm f/3.5-6.3 II DC Nikon-f
Sigma 18-200mm f/3.5-6.3 II DC OS HSM Nikon-f

Sigma 18-200mm f/3.5-6.3 II DC OS HSM Nikon-f

Travel lens

$349
Compare the 18-200mm f/3.5-6.3 II DC OS HSM Nikon-f vs the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k
Compare the 18-200mm f/3.5-6.3 II DC OS HSM Nikon-f vs the 18-200mm f/3.5-6.3 II DC Nikon-f

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

Advantages

Disadvantages
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
Max focal length Better telephoto
Magnification Slightly more magnification
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the 28-300mm f/3.5-6.3 DG Macro Pentax-k vs the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k
Tamron 18-250mm f/3.5-6.3 Di-II LD IF Macro Nikon-f

Tamron 18-250mm f/3.5-6.3 Di-II LD IF Macro Nikon-f

Travel lens

$279
Weight Slightly lighter
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the 18-250mm f/3.5-6.3 Di-II LD IF Macro Nikon-f vs the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k
Tamron 28-75mm f/2.8 XR Di Pentax-k

Tamron 28-75mm f/2.8 XR Di Pentax-k

Portrait lens

$499
Fixed aperture Has a consant aperture
Wide maximum Significantly narrower aperture
Zoom range Much less zoom
Focus motor Doesn't have a silent focus motor
Compare the 28-75mm f/2.8 XR Di Pentax-k vs the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k
Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k

Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k

Macro lens

$165
Magnification More magnification
Max focal length Better telephoto
Zoom range Much less zoom
Focus motor Doesn't have a silent focus motor
Compare the 70-300mm f/4-5.6 Di LD Macro Pentax-k vs the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k
Sigma 150-500mm f/5-6.3 DG HSM APO Pentax-k

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

Wildlife lens
Max focal length Significantly better telephoto
Zoom range Much less zoom
Image stabilization No image stabilization
Compare the 150-500mm f/5-6.3 DG HSM APO Pentax-k vs the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k

Sigma 18-200mm f/3.5-6.3 II DC Nikon-f Competitors

Advantages

Disadvantages
Nikon Nikkor AF-S DX 18-200mm f/3.5-5.6G ED VR II

Nikon Nikkor AF-S DX 18-200mm f/3.5-5.6G ED VR II

Travel lens

$847
Image stabilization Image stabilization
Focus motor Has a silent focus motor
Lowest price Slightly more expensive
Length Slightly longer
Compare the Nikkor AF-S DX 18-200mm f/3.5-5.6G ED VR II vs the 18-200mm f/3.5-6.3 II DC Nikon-f
Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Nikon-f

Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM Nikon-f

Travel lens

$399
Focus motor Has a silent focus motor
Image stabilization Image stabilization
Compare the 18-250mm f/3.5-6.3 DC Macro OS HSM Nikon-f vs the 18-200mm f/3.5-6.3 II DC Nikon-f
Sigma 300-800mm f/5.6 EX DG APO HSM Four-thirds

Sigma 300-800mm f/5.6 EX DG APO HSM Four-thirds

Wildlife lens

$6,999
Max focal length Much better telephoto
Fixed aperture Has a consant aperture
Length Much longer
Weight Much heavier
Compare the 300-800mm f/5.6 EX DG APO HSM Four-thirds vs the 18-200mm f/3.5-6.3 II DC Nikon-f
Sigma 18-200mm f/3.5-6.3 DC OS HSM Nikon-f

Sigma 18-200mm f/3.5-6.3 DC OS HSM Nikon-f

Travel lens

$369
Focus motor Has a silent focus motor
Image stabilization Image stabilization
Length Slightly longer
Weight Slightly heavier
Compare the 18-200mm f/3.5-6.3 DC OS HSM Nikon-f vs the 18-200mm f/3.5-6.3 II DC Nikon-f
Nikon Nikkor AF-S 55-300mm f/4.5-5.6G ED VR

Nikon Nikkor AF-S 55-300mm f/4.5-5.6G ED VR

Wildlife lens

$397
Image stabilization Image stabilization
Focus motor Has a silent focus motor
Zoom range Significantly less zoom
Aperture Narrower aperture
Compare the Nikkor AF-S 55-300mm f/4.5-5.6G ED VR vs the 18-200mm f/3.5-6.3 II DC Nikon-f

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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