OM System
M.Zuiko Digital ED 100-400mm F5.0-6.3 IS
Micro Four Thirds Mount
M.Zuiko Digital ED 100-400mm F5.0-6.3 IS — 100–400mm f/5-6.3 for Micro Four Thirds, a popular choice in the om-system lineup.
$1,499
Launch priceReleased Sep 2020
OM System
M.Zuiko Digital ED 100-400mm F5.0-6.3 IS II
Micro Four Thirds Mount
Updated 200–800mm-equiv. telephoto with 5-axis Sync IS, improved AF, and 1125g body.
$1,499
Launch priceReleased Sep 2024
M.Zuiko Digital ED 100-400mm F5.0-6.3 IS II is 4 years newer.
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Wins
M.Zuiko Digital ED 100-400mm F5.0-6.3 IS
Wins
M.Zuiko Digital ED 100-400mm F5.0-6.3 IS II
5 categories tied
Which would you choose?
TL;DR — Key differences
- BM.Zuiko Digital ED 100-400mm F5.0-6.3 IS II has higher OIS effectiveness (5 stops vs 3 stops)
- AM.Zuiko Digital ED 100-400mm F5.0-6.3 IS has lower Weight (1120 g vs 1125 g)
- BM.Zuiko Digital ED 100-400mm F5.0-6.3 IS II has lower Length (205.6 mm vs 205.7 mm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareM.Zuiko Digital ED 100-400mm F5.0-6.3 IS
⌀86 × 206 mm
1120 g (2.47 lb / 39.51 oz)
Credit card
85.6 × 54 mm
for scale
M.Zuiko Digital ED 100-400mm F5.0-6.3 IS II
⌀86 × 206 mm
1125 g (2.48 lb / 39.68 oz)
M.Zuiko Digital ED 100-400mm F5.0-6.3 IS and M.Zuiko Digital ED 100-400mm F5.0-6.3 IS II are virtually the same size.
M.Zuiko Digital ED 100-400mm F5.0-6.3 IS is 5 g lighter than M.Zuiko Digital ED 100-400mm F5.0-6.3 IS II.
Diameter (⌀) is the maximum barrel width; length is measured from the mount to the front of the lens.
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 M.Zuiko Digital ED 100-400mm F5.0-6.3 IS
- ✓
Weight
1120 g vs 1125 g — lower is better
Reasons to choose the M.Zuiko Digital ED 100-400mm F5.0-6.3 IS II
- ✓
OIS effectiveness
5 stops vs 3 stops — higher is better
- ✓
Length
205.6 mm vs 205.7 mm — lower is better
Shared specifications
Max aperture (Wide)
Both f/5
Max aperture (Tele)
Both f/6.3
Min focus distance
Both 130 cm
Max magnification
Both 0.29 ×
Internal focus
Both support internal focus
Optical stabilization
Both support optical stabilization
Pros & cons at a glance
Editorially curated highlights and trade-offs.
M.Zuiko Digital ED 100-400mm F5.0-6.3 IS
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
M.Zuiko Digital ED 100-400mm F5.0-6.3 IS II
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
Decided which one is right for you?
Compare live prices for the M.Zuiko Digital ED 100-400mm F5.0-6.3 IS and M.Zuiko Digital ED 100-400mm F5.0-6.3 IS II at major authorized retailers.
OM System M.Zuiko Digital ED 100-400mm F5.0-6.3 IS
OM System M.Zuiko Digital ED 100-400mm F5.0-6.3 IS II
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.