Sigma
18-250mm f/3.5-6.3 DC OS HSM Pentax-k
 vs
Pentax SMC
60-250mm f/4 ED DA* SDM

vs

differences

Reasons to consider the Sigma 18-250mm f/3.5-6.3 DC OS HSM Pentax-k
Much more zoom 13.9x vs 4.2x
Help
 Around 3.5x more zoom, giving you more flexibility for photos
Image stabilization Sigma OS vs None
Help
 Helps eliminate blur caused by small camera movements
More magnification 1:3.4 (0.3x) vs 1:6.7 (0.1x)
Help
 Take macro shots with subjects around 2x larger in your photo
Wider aperture f/3.5 vs f/4
Help
 At its widest, the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k captures marginally more light, 0.4 f-stops
Lighter 0.6 kg vs 1.2 kg
Help
 Around 50% lighter
Better wide angle 18 mm vs 60 mm
Help
 3.3x better wide angle
Cheaper $479.00 vs $1,396.95
Help
 The best price we've seen is $918 cheaper (2.9x less)
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 Pentax 60-250mm f/4 ED DA* SDM
Has a consant aperture Yes vs No
Help
 Constant aperture lenses offer the same aperture at all focal lengths
Significantly narrower aperture f/32 vs f/22
Help
 At its narrowest, the 60-250mm f/4 ED DA* SDM goes 1.1 f-stops narrower
Pentax SMC 60-250mm f/4 ED DA* SDM Learn more about
the Pentax 60-250mm f/4 ED DA* SDM

similarities

Compared to lenses

Common Strengths Common Weaknesses
Focus motor Silent focus motor Help
18-250mm f/3.5-6.3 DC OS HSM Pentax-k:Sigma HSM
60-250mm f/4 ED DA* SDM:Pentax SDM
Max focal length Good telephoto Help
250 mm
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses

Compared to wildlife lenses

Common Strengths Common Weaknesses
Min focal length Good wide-angle Help
18-250mm f/3.5-6.3 DC OS HSM Pentax-k:18 mm
60-250mm f/4 ED DA* SDM:60 mm

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

competitors

Shared 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
Length Is shorter
Focus motor Lacks a silent focus motor
Compare the SMC DA 55-300mm f/4-5.8 ED vs the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k
Compare the SMC DA 55-300mm f/4-5.8 ED vs the SMC 60-250mm f/4 ED DA* SDM
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
Length Is shorter
Focus motor Lacks a silent focus motor
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
Compare the 28-300mm f/3.5-6.3 DG Macro Pentax-k vs the SMC 60-250mm f/4 ED DA* SDM
Pentax SMC DA* 50-135mm f/2.8 ED SDM

Pentax SMC DA* 50-135mm f/2.8 ED SDM

Sports lens

$1,397
Aperture Has a wider aperture
Max focal length Has a slightly longer telephoto lens
Compare the SMC DA* 50-135mm f/2.8 ED SDM vs the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k
Compare the SMC DA* 50-135mm f/2.8 ED SDM vs the SMC 60-250mm f/4 ED DA* SDM

Sigma 18-250mm f/3.5-6.3 DC OS HSM Pentax-k 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 Much narrower aperture
Weight Slightly lighter
Zoom range Much less zoom
Focus motor Doesn't have a silent focus motor
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
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
Zoom range More zoom
Weight Slightly lighter
Magnification Slightly less magnification
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
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

Pentax SMC 60-250mm f/4 ED DA* SDM Competitors

Advantages

Disadvantages
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
Length Much longer
Weight Much heavier
Compare the 300-800mm f/5.6 EX DG APO HSM Four-thirds vs the SMC 60-250mm f/4 ED DA* SDM
Tamron 70-200mm f/2.8 Di LD Macro Nikon-f

Tamron 70-200mm f/2.8 Di LD Macro Nikon-f

Sports lens

$769
Aperture Wider aperture
Magnification More magnification
Focus motor Doesn't have a silent focus motor
Zoom range Less zoom
Compare the 70-200mm f/2.8 Di LD Macro Nikon-f vs the SMC 60-250mm f/4 ED DA* SDM
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
Aperture Wider aperture
Magnification More magnification
Wide maximum Significantly wider aperture
Zoom range Less zoom
Compare the 70-200mm f/2.8 II EX DG APO Macro HSM Pentax-k vs the SMC 60-250mm f/4 ED DA* SDM
Pentax SMC DA* 200mm f/2.8 ED SDM

Pentax SMC DA* 200mm f/2.8 ED SDM

Sports lens

$1,197
Prime lens Is a prime lens
Aperture Wider aperture
Min focal length Significantly worse wide angle
Wide maximum Significantly wider aperture
Compare the SMC DA* 200mm f/2.8 ED SDM vs the SMC 60-250mm f/4 ED DA* SDM
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
Magnification More magnification
Min focal length Much worse wide angle
Zoom range Less zoom
Compare the SMC DA* 300mm f/4 ED SDM vs the SMC 60-250mm f/4 ED DA* SDM

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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