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 85mm F1.4 GM II
Sony E Mount
FE 85mm F1.4 GM II — 85mm f/1.4 for Sony E, a popular choice in the sony lineup.
$1,999
Launch priceReleased Sep 2024
FE 85mm F1.4 GM II is 7.1 years newer.
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Wins
FE 100-400mm F4.5-5.6 GM OSS
Wins
FE 85mm F1.4 GM II
1 categories tied
TL;DR — Key differences
- AFE 100-400mm F4.5-5.6 GM OSS has higher OIS effectiveness (5 stops vs 0 stops)
- BFE 85mm F1.4 GM II has lower Max aperture (Tele) (f/1.4 vs f/5.6)
- BFE 85mm F1.4 GM II has lower Max aperture (Wide) (f/1.4 vs f/4.5)
- BFE 85mm F1.4 GM II has lower Weight (642 g vs 1395 g)
- BFE 85mm F1.4 GM II has lower Length (140 mm vs 245 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 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
- ✓
Max magnification
0.25 × vs 0.15 × — higher is better
Reasons to choose the FE 85mm F1.4 GM II
- ✓
Max aperture (Tele)
f/1.4 vs f/5.6 — lower is better
- ✓
Max aperture (Wide)
f/1.4 vs f/4.5 — lower is better
- ✓
Weight
642 g vs 1395 g — lower is better
- ✓
Special elements
Adds ED
- ✓
Length
140 mm vs 245 mm — lower is better
- ✓
Min focus distance
30 cm vs 38 cm — lower is better
Shared specifications
Internal focus
Both support internal focus
Diameter
Both 81 mm
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 85mm F1.4 GM II
Pros
- ✓Bright f/1.4 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
Cons
- –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 85mm F1.4 GM II at major authorized retailers.
Sony FE 100-400mm F4.5-5.6 GM OSS
Sony FE 85mm F1.4 GM II
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.