Sony
FE 100-400mm F4.5-5.6 GM OSS
Sony E Mount
FE 100-400mm F4.5-5.6 GM OSS — 100–400mm f/4.5-5.6 for Sony E, a popular choice in the sony lineup.
$2,499
Launch priceReleased Jul 2017

Sony
FE 16-35mm F2.8 GM II
Sony E Mount
FE 16-35mm F2.8 GM II — 16–35mm f/2.8 for Sony E, a popular choice in the sony lineup.
$2,299
Launch priceReleased Aug 2023
FE 16-35mm F2.8 GM II is 6.1 years newer.
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Wins
FE 100-400mm F4.5-5.6 GM OSS
Wins
FE 16-35mm F2.8 GM II
Which would you choose?
TL;DR — Key differences
- AFE 100-400mm F4.5-5.6 GM OSS has higher OIS effectiveness (5 stops vs 0 stops)
- BFE 16-35mm F2.8 GM II has lower Weight (547 g vs 1395 g)
- BFE 16-35mm F2.8 GM II has lower Length (111.5 mm vs 245 mm)
- BFE 16-35mm F2.8 GM II has lower Max aperture (Tele) (f/2.8 vs f/5.6)
- BFE 16-35mm F2.8 GM II has lower Min focus distance (22.1 cm vs 38 cm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareFE 100-400mm F4.5-5.6 GM OSS
⌀81 × 245 mm
1395 g (3.08 lb / 49.21 oz)

Credit card
85.6 × 54 mm
for scale

FE 16-35mm F2.8 GM II
⌀88 × 112 mm
547 g (1.21 lb / 19.29 oz)
FE 100-400mm F4.5-5.6 GM OSS is 134mm longer and 7mm narrower than FE 16-35mm F2.8 GM II.
FE 100-400mm F4.5-5.6 GM OSS is 848 g heavier than FE 16-35mm F2.8 GM 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 FE 100-400mm F4.5-5.6 GM OSS
- ✓
OIS effectiveness
5 stops vs 0 stops — higher is better
- ✓
Optical stabilization
Only FE 100-400mm F4.5-5.6 GM OSS supports it
- ✓
Diameter
81 mm vs 87.8 mm — lower is better
Reasons to choose the FE 16-35mm F2.8 GM II
- ✓
Weight
547 g vs 1395 g — lower is better
- ✓
Length
111.5 mm vs 245 mm — lower is better
- ✓
Max aperture (Tele)
f/2.8 vs f/5.6 — lower is better
- ✓
Min focus distance
22.1 cm vs 38 cm — lower is better
- ✓
Max aperture (Wide)
f/2.8 vs f/4.5 — lower is better
- ✓
Max magnification
0.32 × vs 0.25 × — higher is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Custom function button
Both support custom function button
Pros & cons at a glance
Editorially curated highlights and trade-offs.
FE 100-400mm F4.5-5.6 GM OSS
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Built-in optical image stabilization
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Premium price point
- –Relatively heavy for extended handheld use
- –Slower maximum aperture limits low-light performance
FE 16-35mm F2.8 GM II
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Sony E mount compatibility
Cons
- –Premium price point
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the FE 100-400mm F4.5-5.6 GM OSS and FE 16-35mm F2.8 GM II at major authorized retailers.
Sony FE 100-400mm F4.5-5.6 GM OSS
Sony FE 16-35mm F2.8 GM II
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.