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

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

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
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
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
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

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

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
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
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
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

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
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
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

discussion Which do you think is better?

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