differences

Reasons to consider the Tamron 70-200mm f/2.8 Di LD Macro Pentax K

Significantly narrower aperture f/32 vs f/22
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At its narrowest, the 70-200mm f/2.8 Di LD Macro Pentax K goes 1.1 f-stops narrower
Lighter 1.1 kg vs 1.8 kg
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More than 30% lighter
Slightly more magnification 1:3.1 (0.3) vs 1:7.7 (0.1)
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Take macro shots with subjects around 2.5x larger in your photo
Slightly smaller diameter 89 mm vs 92 mm
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Almost the same
Slightly shorter 193 mm vs 203 mm
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Almost the same
Tamron 70-200mm f/2.8 Di LD Macro Pentax K Learn more about
the Tamron 70-200mm f/2.8 Di LD Macro Pentax K

Reasons to consider the Pentax HD D FA* 70-200mm f/2.8 ED DC AW

LensHero is not aware of any important advantages of the Pentax HD D FA* 70-200mm f/2.8 ED DC AW vs the Tamron 70-200mm f/2.8 Di LD Macro Pentax K.
Pentax SMC HD D FA* 70-200mm f/2.8 ED DC AW Learn more about
the Pentax HD D FA* 70-200mm f/2.8 ED DC AW

similarities

Compared to digital camera lenses

Common Strengths Common Weaknesses
Fixed aperture Constant aperture lenses Help
The same maximum aperture at all focal lengths
Max focal length Good telephoto Help
200 mm
Auto focus Auto focus Help
Easier to use
Prime lens Both are zoom lenses Help
Typically not as sharp as prime lenses
Length Quite long Help
70-200mm f/2.8 Di LD Macro Pentax K193 mm
HD D FA* 70-200mm f/2.8 ED DC AW203 mm

Compared to digital camera lenses

Common Strengths Common Weaknesses
Min focal length Good wide-angle Help
70 mm
Image stabilization No image stabilization Help
Risk of blur

competitors

Tamron 70-200mm f/2.8 Di LD Macro Pentax K Competitors

Pentax SMC HD D FA* 70-200mm f/2.8 ED DC AW Competitors

discussion Which do you think is better?

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