Sigma
18-250mm f/3.5-6.3 DC OS HSM
 vs
Pentax SMC
DA 55-300mm f/4-5.8 ED

vs

differences

Reasons to consider the Sigma 18-250mm f/3.5-6.3 DC OS HSM
Much more zoom 13.9x vs 5.5x
Help
 More than 2.5x more zoom, giving you more flexibility for photos
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
Wider aperture f/3.5 vs f/4
Help
 At its widest, the 18-250mm f/3.5-6.3 DC OS HSM captures marginally more light, 0.4 f-stops
Better wide angle 18 mm vs 55 mm
Help
 3.1x better wide angle
Sigma 18-250mm f/3.5-6.3 DC OS HSM Learn more about
the Sigma 18-250mm f/3.5-6.3 DC OS HSM

Reasons to consider the Pentax DA 55-300mm f/4-5.8 ED
Better telephoto 300 mm vs 250 mm
Help
 20% more reach, less perspective distortion
Slightly lighter 440 g vs 0.6 kg
Help
 More than 30% lighter
Pentax SMC DA 55-300mm f/4-5.8 ED Learn more about
the Pentax DA 55-300mm f/4-5.8 ED

similarities

Compared to lenses

Common Strengths Common Weaknesses
Zoom range Great zoom Help
18-250mm f/3.5-6.3 DC OS HSM:13.9x
DA 55-300mm f/4-5.8 ED:5.5x
Max focal length Good telephoto Help
18-250mm f/3.5-6.3 DC OS HSM:250 mm
DA 55-300mm f/4-5.8 ED:300 mm
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 wildlife lenses

Common Strengths Common Weaknesses
Min focal length Good wide-angle Help
18-250mm f/3.5-6.3 DC OS HSM:18 mm
DA 55-300mm f/4-5.8 ED:55 mm
Weight Light weight Help
18-250mm f/3.5-6.3 DC OS HSM:0.6 kg
DA 55-300mm f/4-5.8 ED:440 g
Lowest price Inexpensive Help
18-250mm f/3.5-6.3 DC OS HSM:$399.00
DA 55-300mm f/4-5.8 ED:$396.95

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

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
Max focal length Has a slightly longer telephoto lens
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
Compare the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR vs the SMC DA 55-300mm f/4-5.8 ED
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 Has better image stabilization
Aperture Has a narrower aperture
Compare the Nikkor AF-S 55-300mm f/4.5-5.6G ED VR vs the 18-250mm f/3.5-6.3 DC OS HSM
Compare the Nikkor AF-S 55-300mm f/4.5-5.6G ED VR vs the SMC DA 55-300mm f/4-5.8 ED
Nikon Nikkor 18-105mm f/3.5-5.6G ED VR AF-S DX

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

Travel lens

$330
Image stabilization Has better image stabilization
Max focal length Has a slightly longer telephoto lens
Compare the Nikkor 18-105mm f/3.5-5.6G ED VR AF-S DX vs the 18-250mm f/3.5-6.3 DC OS HSM
Compare the Nikkor 18-105mm f/3.5-5.6G ED VR AF-S DX vs the SMC DA 55-300mm f/4-5.8 ED

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

Advantages

Disadvantages
Sony E-Mount 18-200mm f/3.5-6.3

Sony E-Mount 18-200mm f/3.5-6.3

Travel lens

$898
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the E-Mount 18-200mm f/3.5-6.3 vs the 18-250mm f/3.5-6.3 DC OS HSM
Sigma 18-250mm f/3.5-6.3 DC Macro OS HSM

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

Wildlife lens

$399
Weight Slightly lighter
Compare the 18-250mm f/3.5-6.3 DC Macro OS HSM vs the 18-250mm f/3.5-6.3 DC OS HSM
Sigma 28-300mm f/3.5-6.3 DG IF Macro Canon-ef

Sigma 28-300mm f/3.5-6.3 DG IF Macro Canon-ef

Travel 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 IF Macro Canon-ef vs the 18-250mm f/3.5-6.3 DC OS HSM
Sigma 18-200mm f/3.5-6.3 II DC OS HSM

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

Wildlife lens

$349
Zoom range Less zoom
Max focal length Worse telephoto
Compare the 18-200mm f/3.5-6.3 II DC OS HSM vs the 18-250mm f/3.5-6.3 DC OS HSM
Canon EF 16-35mm f/2.8L II USM

Canon EF 16-35mm f/2.8L II USM

Fisheye lens

$1,467 - $1,699
Fisheye Fisheye lens
Fixed aperture Has a consant aperture
Zoom range Much less zoom
Image stabilization No image stabilization
Compare the EF 16-35mm f/2.8L II USM vs the 18-250mm f/3.5-6.3 DC OS HSM

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

Advantages

Disadvantages
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
Wide maximum Much wider aperture
Zoom range Less zoom
Compare the 70-300mm f/4-5.6 DG OS Pentax-k vs the SMC DA 55-300mm f/4-5.8 ED
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
Weight Slightly lighter
Max focal length Worse telephoto
Zoom range Less zoom
Compare the SMC DA 50-200mm f/4-5.6 ED WR vs the SMC DA 55-300mm f/4-5.8 ED
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
Magnification More magnification
Zoom range Less zoom
Min focal length Slightly worse wide angle
Compare the 70-300mm f/4-5.6 APO DG Macro Pentax-k vs the SMC DA 55-300mm f/4-5.8 ED
Tamron 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k

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

Travel lens

$290
Zoom range Significantly more zoom
Aperture Wider aperture
Max focal length Worse telephoto
Compare the 18-200mm f/3.5-6.3 XR Di-II Macro Pentax-k vs the SMC DA 55-300mm f/4-5.8 ED
Tamron 18-250mm f/3.5-6.3 Di-II LD Canon-ef

Tamron 18-250mm f/3.5-6.3 Di-II LD Canon-ef

Travel lens

$279
Zoom range Much more zoom
Aperture Wider aperture
Max focal length Worse telephoto
Compare the 18-250mm f/3.5-6.3 Di-II LD Canon-ef vs the SMC DA 55-300mm f/4-5.8 ED

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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