Fujifilm
GF 80mm F1.7 R WR
Fujifilm GFX Mount
World's fastest medium-format autofocus lens — F1.7 portrait prime with 795g body and weather sealing.
$2,299
Launch priceReleased Jan 2021
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
FE 300mm F2.8 GM OSS is 3 years newer.
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Wins
GF 80mm F1.7 R WR
Wins
FE 300mm F2.8 GM OSS
Which would you choose?
TL;DR — Key differences
- BFE 300mm F2.8 GM OSS has higher OIS effectiveness (5 stops vs 0 stops)
- AGF 80mm F1.7 R WR has lower Min focus distance (70 cm vs 200 cm)
- AGF 80mm F1.7 R WR has lower Length (99.2 mm vs 265 mm)
- AGF 80mm F1.7 R WR has lower Weight (795 g vs 1470 g)
- AGF 80mm F1.7 R WR has lower Max aperture (Wide) (f/1.7 vs f/2.8)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareGF 80mm F1.7 R WR
⌀95 × 99 mm
795 g (1.75 lb / 28.04 oz)
Credit card
85.6 × 54 mm
for scale
FE 300mm F2.8 GM OSS
⌀124 × 265 mm
1470 g (3.24 lb / 51.85 oz)
GF 80mm F1.7 R WR is 166mm shorter and 29mm narrower than FE 300mm F2.8 GM OSS.
GF 80mm F1.7 R WR is 675 g lighter than FE 300mm F2.8 GM OSS.
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 GF 80mm F1.7 R WR
- ✓
Special elements
Adds 1 Aspherical, 2 Super ED
- ✓
Min focus distance
70 cm vs 200 cm — lower is better
- ✓
Length
99.2 mm vs 265 mm — lower is better
- ✓
Weight
795 g vs 1470 g — lower is better
- ✓
Max aperture (Wide)
f/1.7 vs f/2.8 — lower is better
- ✓
Max aperture (Tele)
f/1.7 vs f/2.8 — lower is better
- ✓
Diameter
94.7 mm vs 124 mm — lower is better
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
- ✓
Max magnification
0.16 × vs 0.15 × — 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.
GF 80mm F1.7 R WR
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Fujifilm GFX mount compatibility
Cons
- –Premium price point
- –Third-party or older alternatives may offer better value
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
Decided which one is right for you?
Compare live prices for the GF 80mm F1.7 R WR and FE 300mm F2.8 GM OSS at major authorized retailers.
Fujifilm GF 80mm F1.7 R WR
Sony FE 300mm F2.8 GM OSS
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.