Tamron
18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k
 vs
Sigma
18-200mm f/3.5-6.3 II DC Nikon-f

vs

differences

Reasons to consider the Tamron 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k
Slightly more magnification 1:3.7 (0.3x) vs 1:4.4 (0.2x)
Help
 Take macro shots with subjects around 20% larger in your photo
Tamron 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k Learn more about
the Tamron 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k

Reasons to consider the Sigma 18-200mm f/3.5-6.3 II DC Nikon-f
LensHero is not aware of any important advantages of the Sigma 18-200mm f/3.5-6.3 II DC Nikon-f vs the Tamron 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k.
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
11.1x
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Focus motor No silent focus motor Help
Louder and slower
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.
Image stabilization No image stabilization Help
Risk of blur

competitors

Shared Competitors

Advantages

Disadvantages
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 18-200mm f/3.5-6.3 XR Di-II Macro 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 DC OS HSM Nikon-f

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

Travel lens

$369
Image stabilization Has image stabilization
Focus motor Has a silent focus motor
Compare the 18-200mm f/3.5-6.3 DC OS HSM Nikon-f vs the 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k
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
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
Image stabilization Has image stabilization
Focus motor Has a silent focus motor
Compare the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k vs the 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k
Compare the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k vs the 18-200mm f/3.5-6.3 II DC Nikon-f
Tamron 18-200mm f/3.5-6.3 XR Di-II Macro Nikon-f

Tamron 18-200mm f/3.5-6.3 XR Di-II Macro Nikon-f

Travel lens

$199
Compare the 18-200mm f/3.5-6.3 XR Di-II Macro Nikon-f vs the 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k
Compare the 18-200mm f/3.5-6.3 XR Di-II Macro Nikon-f vs the 18-200mm f/3.5-6.3 II DC Nikon-f

Tamron 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k Competitors

Advantages

Disadvantages
Sigma 18-125mm f/3.8-5.6 DC OS HSM Pentax-k

Sigma 18-125mm f/3.8-5.6 DC OS HSM Pentax-k

Travel lens

$339
Focus motor Has a silent focus motor
Image stabilization Image stabilization
Wide maximum Much wider aperture
Zoom range Significantly less zoom
Compare the 18-125mm f/3.8-5.6 DC OS HSM Pentax-k vs the 18-200mm f/3.5-6.3 XR Di-II Macro 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
Magnification Slightly less magnification
Compare the 18-200mm f/3.5-6.3 DC Pentax-k vs the 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k
Sigma 70-300mm f/4-5.6 DG OS Pentax-k

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

Wildlife lens

$399
Image stabilization Image stabilization
Max focal length Better telephoto
Zoom range Much less zoom
Wide maximum Much wider aperture
Compare the 70-300mm f/4-5.6 DG OS Pentax-k vs the 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k
Nikon Nikkor AF-S 70-200mm f/2.8G ED VR II

Nikon Nikkor AF-S 70-200mm f/2.8G ED VR II

Sports lens

$2,397
Image stabilization Image stabilization
Fixed aperture Has a consant aperture
Zoom range Much less zoom
Length Significantly longer
Compare the Nikkor AF-S 70-200mm f/2.8G ED VR II vs the 18-200mm f/3.5-6.3 XR Di-II Macro 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
Max focal length Better telephoto
Zoom range Significantly less zoom
Aperture Narrower aperture
Compare the SMC DA 55-300mm f/4-5.8 ED vs the 18-200mm f/3.5-6.3 XR Di-II Macro 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
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
Focus motor Has a silent focus motor
Image stabilization Image stabilization
Length Slightly longer
Lowest price Slightly more expensive
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
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 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
Focus motor Has a silent focus motor
Zoom range Much less zoom
Length Significantly longer
Compare the 100-300mm f/4 EX DG IF HSM Canon-ef 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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