Sony
FE 300mm F2.8 GM OSS
Sony E Mount
World's lightest 300mm F2.8 — 1470g with XD Linear AF, OSS, and G Master resolution.
$6,999
Launch priceReleased Jan 2024
Sony
FE 85mm F1.8
Sony E Mount
FE 85mm F1.8 — 85mm f/1.8 for Sony E, a popular choice in the sony lineup.
$599
Launch priceReleased Feb 2017
FE 300mm F2.8 GM OSS is 6.9 years newer.
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Wins
FE 300mm F2.8 GM OSS
Wins
FE 85mm F1.8
TL;DR — Key differences
- AFE 300mm F2.8 GM OSS has higher OIS effectiveness (5 stops vs 0 stops)
- BFE 85mm F1.8 has lower Min focus distance (30 cm vs 200 cm)
- BFE 85mm F1.8 has lower Weight (371 g vs 1470 g)
- BFE 85mm F1.8 has lower Length (102 mm vs 265 mm)
- BFE 85mm F1.8 has lower Max aperture (Wide) (f/1.8 vs f/2.8)
Key specs at a glance
Size and weight, to scale
FE 300mm F2.8 GM OSS
⌀124 × 265 mm
1470 g (3.24 lb / 51.85 oz)
Credit card
85.6 × 54 mm
for scale
FE 85mm F1.8
⌀81 × 102 mm
371 g (0.82 lb / 13.09 oz)
FE 300mm F2.8 GM OSS is 163mm longer and 43mm wider than FE 85mm F1.8.
FE 300mm F2.8 GM OSS is 1099 g heavier than FE 85mm F1.8.
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 300mm F2.8 GM OSS
- ✓
Special elements
Adds 3 Super ED, 1 ED
- ✓
OIS effectiveness
5 stops vs 0 stops — higher is better
- ✓
Optical stabilization
Only FE 300mm F2.8 GM OSS supports it
- ✓
Weather sealing
Only FE 300mm F2.8 GM OSS supports it
- ✓
Control ring
Only FE 300mm F2.8 GM OSS supports it
- ✓
Custom function button
Only FE 300mm F2.8 GM OSS supports it
- ✓
Max magnification
0.16 × vs 0.15 × — higher is better
Reasons to choose the FE 85mm F1.8
- ✓
Special elements
Adds Aspherical
- ✓
Min focus distance
30 cm vs 200 cm — lower is better
- ✓
Weight
371 g vs 1470 g — lower is better
- ✓
Length
102 mm vs 265 mm — lower is better
- ✓
Max aperture (Wide)
f/1.8 vs f/2.8 — lower is better
- ✓
Max aperture (Tele)
f/1.8 vs f/2.8 — lower is better
- ✓
Diameter
81 mm vs 124 mm — lower is better
Shared specifications
Internal focus
Both support internal focus
Pros & cons at a glance
Editorially curated highlights and trade-offs.
FE 300mm F2.8 GM OSS
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Built-in optical image stabilization
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Premium price point
- –Relatively heavy for extended handheld use
FE 85mm F1.8
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Lightweight design easy to carry all day
- ✓Native Sony E mount compatibility
Cons
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the FE 300mm F2.8 GM OSS and FE 85mm F1.8 at major authorized retailers.
Sony FE 300mm F2.8 GM OSS
Sony FE 85mm F1.8
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.