Sigma
18-200mm f/3.5-6.3 II DC Nikon-f
 vs
Pentax SMC
DA 18-135mm f/3.5-5.6 ED AL DC WR

vs

differences

Reasons to consider the Sigma 18-200mm f/3.5-6.3 II DC Nikon-f
More zoom 11.1x vs 7.5x
Help
 Around 50% more zoom, giving you more flexibility for photos
Better telephoto 200 mm vs 135 mm
Help
 Around 50% more reach, less perspective distortion
Slightly cheaper $249.00 vs $496.95
Help
 The best price we've seen is $248 cheaper (around 50% less)
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

Reasons to consider the Pentax DA 18-135mm f/3.5-5.6 ED AL DC WR
Much narrower aperture f/38 vs f/22
Help
 At its narrowest, the DA 18-135mm f/3.5-5.6 ED AL DC WR goes 1.6 f-stops narrower
Pentax SMC DA 18-135mm f/3.5-5.6 ED AL DC WR Learn more about
the Pentax DA 18-135mm f/3.5-5.6 ED AL DC WR

similarities

Compared to lenses

Common Strengths Common Weaknesses
Zoom range Incredible zoom Help
18-200mm f/3.5-6.3 II DC Nikon-f:11.1x
DA 18-135mm f/3.5-5.6 ED AL DC WR:7.5x
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
Nikon Nikkor AF-S DX 18-105mm f/3.5-5.6G ED VR

Nikon Nikkor AF-S DX 18-105mm f/3.5-5.6G ED VR

Travel lens
Image stabilization Has image stabilization
Focus motor Has a silent focus motor
Zoom range Has slightly smaller zoom range
Compare the Nikkor AF-S DX 18-105mm f/3.5-5.6G ED VR vs the 18-200mm f/3.5-6.3 II DC Nikon-f
Compare the Nikkor AF-S DX 18-105mm f/3.5-5.6G ED VR vs the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR
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 II DC Nikon-f
Compare the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k vs the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR
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 II DC Nikon-f
Compare the 18-200mm f/3.5-6.3 XR Di-II Macro Nikon-f vs the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR

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 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

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

Advantages

Disadvantages
Tamron 17-50mm f/2.8 XR Di-II LD [IF] Pentax-k

Tamron 17-50mm f/2.8 XR Di-II LD [IF] Pentax-k

Wide angle lens

$459
Fixed aperture Has a consant aperture
Aperture Wider aperture
Zoom range Significantly less zoom
Wide maximum Wider aperture
Compare the 17-50mm f/2.8 XR Di-II LD [IF] Pentax-k vs the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR
Pentax SMC DA 17-70mm f/4 AL SDM

Pentax SMC DA 17-70mm f/4 AL SDM

Wide angle lens

$597
Fixed aperture Has a consant aperture
Focus motor Has a silent focus motor
Wide maximum Much wider aperture
Zoom range Less zoom
Compare the SMC DA 17-70mm f/4 AL SDM vs the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR
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
Magnification Slightly more magnification
Wide maximum Much wider aperture
Zoom range Less zoom
Compare the SMC DA 55-300mm f/4-5.8 ED vs the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR
Pentax SMC DA 18-55mm f/3.5-5.6 AL WR

Pentax SMC DA 18-55mm f/3.5-5.6 AL WR

Wide angle lens

$197
Magnification More magnification
Weight Slightly lighter
Wide maximum Much wider aperture
Zoom range Significantly less zoom
Compare the SMC DA 18-55mm f/3.5-5.6 AL WR vs the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR
Samsung 50-200mm f/4-5.6

Samsung 50-200mm f/4-5.6

Wildlife lens

$266
Image stabilization Image stabilization
Max focal length Better telephoto
Zoom range Less zoom
Aperture Narrower aperture
Compare the 50-200mm f/4-5.6 vs the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR

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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