Sigma
50-200mm f/4-5.6 DC OS HSM Pentax-k
 vs
Pentax SMC
DA 55-300mm f/4-5.8 ED

vs

differences

Reasons to consider the Sigma 50-200mm f/4-5.6 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
Sigma 50-200mm f/4-5.6 DC OS HSM Pentax-k Learn more about
the Sigma 50-200mm f/4-5.6 DC OS HSM Pentax-k

Reasons to consider the Pentax DA 55-300mm f/4-5.8 ED
Much narrower aperture f/22 vs f/5.6
Help
 At its narrowest, the DA 55-300mm f/4-5.8 ED goes 3.9 f-stops narrower
Better telephoto 300 mm vs 200 mm
Help
 50% more reach, less perspective distortion
More zoom 5.5x vs 4x
Help
 Around 40% more zoom, giving you more flexibility for photos
Slightly more magnification 1:3.5 (0.3x) vs 1:4.5 (0.2x)
Help
 Take macro shots with subjects around 30% larger in your photo
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

LensHero is not aware of any interesting strengths shared by these two products.
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Aperture Very narrow widest aperture size Help
f/4
Fixed aperture Both are variable aperture lenses Help
Narrower aperture at longer focal lengths

Compared to wildlife lenses

Common Strengths Common Weaknesses
Length Short Help
50-200mm f/4-5.6 DC OS HSM Pentax-k:102 mm
DA 55-300mm f/4-5.8 ED:111 mm
Min focal length Good wide-angle Help
50-200mm f/4-5.6 DC OS HSM Pentax-k:50 mm
DA 55-300mm f/4-5.8 ED:55 mm
Lowest price Inexpensive Help
50-200mm f/4-5.6 DC OS HSM Pentax-k:$159.00
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 50-200mm f/4-5.6 ED WR

Pentax SMC DA 50-200mm f/4-5.6 ED WR

Wildlife lens

$247
Compare the SMC DA 50-200mm f/4-5.6 ED WR vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
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 DG OS Pentax-k

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

Wildlife lens

$399
Compare the 70-300mm f/4-5.6 DG OS Pentax-k vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Compare the 70-300mm f/4-5.6 DG OS Pentax-k 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
Compare the Nikkor AF-S 55-300mm f/4.5-5.6G ED VR vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
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
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 Has better macro
Compare the 70-300mm f/4-5.6 APO DG Macro Pentax-k vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Compare the 70-300mm f/4-5.6 APO DG Macro Pentax-k vs the SMC DA 55-300mm f/4-5.8 ED
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 slightly large zoom range
Compare the SMC DA 18-135mm f/3.5-5.6 ED AL DC WR vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
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
Tamron 75-300mm f/4-5.6 LD Macro Pentax-k

Tamron 75-300mm f/4-5.6 LD Macro Pentax-k

Wildlife lens

$125
Compare the 75-300mm f/4-5.6 LD Macro Pentax-k vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Compare the 75-300mm f/4-5.6 LD Macro Pentax-k vs the SMC DA 55-300mm f/4-5.8 ED
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
Zoom range Has way more large zoom range
Compare the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Compare the 18-250mm f/3.5-6.3 DC OS HSM Pentax-k vs the SMC DA 55-300mm f/4-5.8 ED

Sigma 50-200mm f/4-5.6 DC OS HSM Pentax-k Competitors

Advantages

Disadvantages
Canon EF 70-200mm f/2.8L IS USM

Canon EF 70-200mm f/2.8L IS USM

Sports lens

$1,899
Wide maximum Much narrower aperture
Fixed aperture Has a consant aperture
Length Longer
Lowest price More expensive
Compare the EF 70-200mm f/2.8L IS USM vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Canon EF 70-200mm f/4L IS USM

Canon EF 70-200mm f/4L IS USM

Telephoto lens

$1,149
Wide maximum Much narrower aperture
Fixed aperture Has a consant aperture
Length Longer
Lowest price More expensive
Compare the EF 70-200mm f/4L IS USM vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Sony 2 55-200mm f/4-5.6 DT

Sony 2 55-200mm f/4-5.6 DT

Wildlife lens

$200
Wide maximum Much narrower aperture
Magnification Slightly more magnification
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the 2 55-200mm f/4-5.6 DT vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k
Tamron 70-300mm f/4-5.6 Di LD Macro Canon-ef

Tamron 70-300mm f/4-5.6 Di LD Macro Canon-ef

Macro lens

$199
Wide maximum Much narrower aperture
Magnification More magnification
Focus motor Doesn't have a silent focus motor
Image stabilization No image stabilization
Compare the 70-300mm f/4-5.6 Di LD Macro Canon-ef vs the 50-200mm f/4-5.6 DC OS HSM Pentax-k

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

Advantages

Disadvantages
Sigma 70-300mm f/4-5.6 DG OS Canon-ef

Sigma 70-300mm f/4-5.6 DG OS Canon-ef

Wildlife lens

$309
Image stabilization Image stabilization
Wide maximum Much wider aperture
Zoom range Less zoom
Compare the 70-300mm f/4-5.6 DG OS Canon-ef vs the SMC DA 55-300mm f/4-5.8 ED
Tamron 75-300mm f/4-5.6 LD Macro Nikon-f

Tamron 75-300mm f/4-5.6 LD Macro Nikon-f

Wildlife lens

$164
Zoom range Less zoom
Min focal length Slightly worse wide angle
Compare the 75-300mm f/4-5.6 LD Macro Nikon-f vs the SMC DA 55-300mm f/4-5.8 ED
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
Zoom range Much more zoom
Focus motor Has a silent focus motor
Max focal length Worse telephoto
Compare the 18-250mm f/3.5-6.3 DC Macro OS HSM 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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