vs

differences

Reasons to consider the Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k

More magnification 1:2 (0.5x) vs 1:4.2 (0.2x)
Help
Take macro shots with subjects more than 2x larger in your photo
Better telephoto 300 mm vs 200 mm
Help
50% more reach, less perspective distortion
Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k Learn more about
the Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k

Reasons to consider the Pentax DA 50-200mm f/4-5.6 ED WR

Slightly better wide angle 50 mm vs 70 mm
Help
Around 30% better wide angle
Slightly lighter 261 g vs 435 g
Help
40% lighter
Pentax SMC  DA 50-200mm f/4-5.6 ED WR Learn more about
the Pentax DA 50-200mm f/4-5.6 ED WR

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
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 wildlife lenses

Common Strengths Common Weaknesses
Weight Light weight Help
70-300mm f/4-5.6 Di LD Macro Pentax-k:435 g
DA 50-200mm f/4-5.6 ED WR:261 g
Lowest price Inexpensive Help
70-300mm f/4-5.6 Di LD Macro Pentax-k:$164.95
DA 50-200mm f/4-5.6 ED WR:$246.95
Min focal length Good wide-angle Help
70-300mm f/4-5.6 Di LD Macro Pentax-k:70 mm
DA 50-200mm f/4-5.6 ED WR:50 mm
Image stabilization No image stabilization Help
Risk of blur

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

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

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

Macro lens

$159

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

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

Wildlife lens

$159

Image stabilization Has image stabilization
Focus motor Has a silent focus motor
Wide maximum Has a lower max f/stop
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

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 significantly large zoom range
Pentax SMC 35mm DA L f/2.4 AL

Pentax SMC 35mm DA L f/2.4 AL

Low light lens

$217

Aperture Has a wider aperture
Length Is shorter
Max focal length Has a slightly longer telephoto lens
Zoom range Has significantly smaller zoom range

Tamron 70-300mm f/4-5.6 Di LD Macro Pentax-k Competitors

Advantages

Disadvantages

Sigma 120-400mm f/4.5-5.6 DG APO OS HSM Pentax-k

Sigma 120-400mm f/4.5-5.6 DG APO OS HSM Pentax-k

Wildlife lens

$999

Focus motor Has a silent focus motor
Image stabilization Image stabilization
Magnification Less magnification
Weight Heavier
Tamron SP 90mm f/2.8 Di Macro Pentax-k

Tamron SP 90mm f/2.8 Di Macro Pentax-k

Macro lens

$460

Prime lens Is a prime lens
Magnification Significantly more magnification
Max focal length Significantly worse telephoto
Zoom range Less zoom
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

Weight Slightly heavier

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

Advantages

Disadvantages

Pentax SMC  DA FA 100mm f/2.8 WR Macro

Pentax SMC DA FA 100mm f/2.8 WR Macro

Macro lens

$847

Magnification Much more magnification
Prime lens Is a prime lens
Zoom range Less zoom
Max focal length Worse telephoto

discussion Which do you think is better?

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