Full Frame Glass
FESony E278ZNikon Z141RFCanon RF96

Sony E-mount lenses

  • 7Artisans
  • Laowa
  • Samyang (Rokinon)
  • Sigma
  • Sirui
  • Sony
  • Tamron
  • Viltrox
  • Voigtländer
  • Zeiss
  • Ultra-Wide
  • Wide
  • Standard
  • Short Telephoto
  • Telephoto
  • Super-Telephoto
  • Macro

Nikon Z-mount lenses

  • 7Artisans
  • Laowa
  • Nikon
  • Samyang (Rokinon)
  • Sirui
  • Tamron
  • Viltrox
  • Voigtländer
  • Ultra-Wide
  • Wide
  • Standard
  • Short Telephoto
  • Telephoto
  • Super-Telephoto
  • Macro

Canon RF-mount lenses

  • 7Artisans
  • Canon
  • Laowa
  • Samyang (Rokinon)
  • Viltrox
  • Voigtländer
  • Ultra-Wide
  • Wide
  • Standard
  • Short Telephoto
  • Telephoto
  • Super-Telephoto
  • Macro

Full Frame Glass

Native full-frame mirrorless lenses only: no crop lenses, no adapted glass. Specifications, MTF charts and product images come from manufacturer publications and are credited on each page.

  • About & methodology
  • Affiliate disclosure
  • Privacy
  • Terms
  • Contact
  • © Full Frame Glass
Register/Compare

Sigma 300-600mm F4 DG OS | Sports vs Sony FE 400mm F2.8 GM OSS

Key differences

  • —The FE 400mm F2.8 GM OSS is 1075g lighter (2895g vs 3970g).
  • —The FE 400mm F2.8 GM OSS is faster: f/2.8 vs f/4 (≈1.0 stops more light).
  • —At launch the 300-600mm F4 DG OS | Sports cost $6,001 less ($5,999 vs $12,000).
  • —For close-ups the 300-600mm F4 DG OS | Sports reaches 0.17× vs 0.16×.
Sigma
300-600mm F4 DG OS | Sports
Sigma 300-600mm F4 DG OS | Sports
SPORTS
Sony
FE 400mm F2.8 GM OSS
Sony FE 400mm F2.8 GM OSS
G MASTER
Mount
Sony E (FE)
Sony E (FE)
Focal length
300–600mm
400mm
Max aperture
F4
F2.8◆
Weight
3,970g
2,895g◆
Dimensions ⌀ × L
167.0 × 469.9mm
158.1 × 359.0mm
Volume
10293 cm³
7048 cm³◆
Density
0.39 g/cm³
0.41 g/cm³
Filter thread
—
—
Min focus
2.80m
2.70m◆
Max magnification
0.17×◆
0.16×
Elements / groups
28 / 21
23 / 17
Aperture blades
13◆
11
Focus drive
HLA (High-response Linear Actuator)
XD Linear Motor (x2)
Stabilisation
Yes
Yes
Weather sealed
Yes
Yes
Aperture ring
—
—
Released
2025
2018
MSRP (USD)
$5,999◆
$12,000
Sharpness
9.3
9.5◆
Bokeh Rendering
8.8
9.4◆
Autofocus Speed
9.0
9.5◆
Flare Resistance
8.5
8.8◆
Build / Sealing
9.3
9.5◆
Value / Size
8.5◆
5.8
SHARPBOKEHAFFLAREBUILDVALUE

Performance overlay

  • 300-600mm F4 DG OS | Sports
  • FE 400mm F2.8 GM OSS

◆ marks the best value in a row. Scores are 0–10 editorial ratings.