Sigma
100-400mm F5-6.3 DG DN OS Contemporary
Sony E Mount
100-400mm F5-6.3 DG DN OS Contemporary — 100–400mm f/5-6.3 for Sony E, a popular choice in the sigma lineup.
$949
Launch priceReleased Jul 2020
Sigma
70-200mm F2.8 DG DN OS Sports
Sony E Mount
70-200mm F2.8 DG DN OS Sports — 70–200mm f/2.8 for Sony E, a popular choice in the sigma lineup.
$1,499
Launch priceReleased Jul 2023
70-200mm F2.8 DG DN OS Sports is 3.1 years newer.
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Wins
100-400mm F5-6.3 DG DN OS Contemporary
Wins
70-200mm F2.8 DG DN OS Sports
4 categories tied
TL;DR — Key differences
- B70-200mm F2.8 DG DN OS Sports has lower Max aperture (Tele) (f/2.8 vs f/6.3)
- B70-200mm F2.8 DG DN OS Sports has lower Max aperture (Wide) (f/2.8 vs f/5)
- A100-400mm F5-6.3 DG DN OS Contemporary has lower Weight (1140 g vs 1345 g)
- A100-400mm F5-6.3 DG DN OS Contemporary has lower Length (210 mm vs 238 mm)
Key specs at a glance
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose the 100-400mm F5-6.3 DG DN OS Contemporary
- ✓
Weight
1140 g vs 1345 g — lower is better
- ✓
Length
210 mm vs 238 mm — lower is better
Reasons to choose the 70-200mm F2.8 DG DN OS Sports
- ✓
Max aperture (Tele)
f/2.8 vs f/6.3 — lower is better
- ✓
Custom function button
Only 70-200mm F2.8 DG DN OS Sports supports it
- ✓
Max aperture (Wide)
f/2.8 vs f/5 — lower is better
Shared specifications
Min focus distance
Both 38 cm
Max magnification
Both 0.25 ×
Internal focus
Both support internal focus
Optical stabilization
Both support optical stabilization
OIS effectiveness
Both 5 stops
Diameter
Both 81 mm
Pros & cons at a glance
Editorially curated highlights and trade-offs.
100-400mm F5-6.3 DG DN OS Contemporary
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Built-in optical image stabilization
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Relatively heavy for extended handheld use
- –Slower maximum aperture limits low-light performance
70-200mm F2.8 DG DN OS Sports
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Built-in optical image stabilization
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Relatively heavy for extended handheld use
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the 100-400mm F5-6.3 DG DN OS Contemporary and 70-200mm F2.8 DG DN OS Sports at major authorized retailers.
Sigma 100-400mm F5-6.3 DG DN OS Contemporary
Sigma 70-200mm F2.8 DG DN OS Sports
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.