differences

Reasons to consider the Sigma 105mm f/2.8 EX DG OS Macro

Auto focus Yes vs No
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Image stabilization Sigma OS vs None
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Helps eliminate blur caused by small camera movements
Slightly shorter 127 mm vs 148 mm
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More than 10% shorter
Sigma 105mm f/2.8 EX DG OS Macro Learn more about
the Sigma 105mm f/2.8 EX DG OS Macro

Reasons to consider the Samyang 100mm f/2.8 ED UMC Macro

Significantly narrower aperture f/32 vs f/22
Help
At its narrowest, the 100mm f/2.8 ED UMC Macro goes 1.1 f-stops narrower
Slightly smaller diameter 73 mm vs 79 mm
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Around 10% smaller lens at the end
Placeholder Learn more about
the Samyang 100mm f/2.8 ED UMC Macro

similarities

Compared to digital camera lenses

Common Strengths Common Weaknesses
Prime lens Fixed focal length prime lenses Help
Typically very sharp

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

Compared to digital camera lenses

Common Strengths Common Weaknesses
Weight Light weight Help
0.7 kg
Diameter Small diameters Help
105mm f/2.8 EX DG OS Macro79 mm
100mm f/2.8 ED UMC Macro73 mm
Lowest price Inexpensive Help
105mm f/2.8 EX DG OS Macro$529.35
100mm f/2.8 ED UMC Macro$455.00
Max focal length Poor telephoto Help
105mm f/2.8 EX DG OS Macro105 mm
100mm f/2.8 ED UMC Macro100 mm

competitors

Samyang 100mm f/2.8 ED UMC Macro Competitors

Tamron 90mm f/2.8 SP Di Macro Nikon F

Tamron 90mm f/2.8 SP Di Macro Nikon F

Macro lens

$298 - $499

Auto focus Auto focus
Length Shorter
Sony FE 90mm f/2.8 Macro G OSS

Sony FE 90mm f/2.8 Macro G OSS

Macro lens

$1,048 - $1,098

Auto focus Auto focus
Image stabilization Image stabilization
Wide minimum Significantly wider aperture

Sigma 105mm f/2.8 EX DG OS Macro Competitors

Pentax SMC  DA FA 100mm f/2.8 WR Macro

Pentax SMC DA FA 100mm f/2.8 WR Macro

Macro lens

$500 - $547

Wide minimum Significantly narrower aperture
Length Shorter
Image stabilization No image stabilization
Sigma 70mm f/2.8 EX DG Macro Nikon F

Sigma 70mm f/2.8 EX DG Macro Nikon F

Macro lens

$413

Length Shorter
Min focal length Better wide angle
Image stabilization No image stabilization
Tokina 100mm f/2.8 AT-X Pro D Macro Canon EF

Tokina 100mm f/2.8 AT-X Pro D Macro Canon EF

Macro lens

$341 - $349

Wide minimum Significantly narrower aperture
Length Shorter
Image stabilization No image stabilization

discussion Which do you think is better?

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