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Canon RF 45mm F1.2 STM vs Laowa Argus 45mm f/0.95 FF (Canon RF)

Key differences

  • —The RF 45mm F1.2 STM is 489g lighter (346g vs 835g).
  • —The Argus 45mm f/0.95 FF (Canon RF) is faster: f/0.95 vs f/1.2 (≈0.7 stops more light).
  • —At launch the RF 45mm F1.2 STM cost $329 less ($470 vs $799).
  • —The Argus 45mm f/0.95 FF (Canon RF) is manual focus only.
  • —For close-ups the RF 45mm F1.2 STM reaches 0.13× vs 0.12×.
Canon
RF 45mm F1.2 STM
Canon RF 45mm F1.2 STM
Laowa
Argus 45mm f/0.95 FF (Canon RF)
Laowa Argus 45mm f/0.95 FF (Canon RF)
16842ARGUS
Mount
Canon RF
Canon RF
Focal length
45mm
45mm
Max aperture
F1.2
F0.95◆
Weight
346g◆
835g
Dimensions ⌀ × L
78.0 × 75.0mm
76.8 × 110.0mm
Volume
358 cm³◆
510 cm³
Density
0.97 g/cm³
1.64 g/cm³
Filter thread
⌀67mm
⌀72mm
Min focus
0.45m◆
0.50m
Max magnification
0.13×◆
0.12×
Elements / groups
9 / 7
13 / 9
Aperture blades
9
15◆
Focus drive
STM
Manual Helicoid
Stabilisation
—
—
Weather sealed
—
—
Aperture ring
—
Yes · de-click
Released
2025
2021
MSRP (USD)
$470◆
$799
Sharpness
7.0
7.5◆
Bokeh Rendering
7.3
8.2◆
Autofocus Speed
7.2
MF
Flare Resistance
7.0◆
6.5
Build / Sealing
7.0
8.4◆
Value / Size
8.3◆
7.8
SHARPBOKEHAFFLAREBUILDVALUE

Performance overlay

  • RF 45mm F1.2 STM
  • Argus 45mm f/0.95 FF (Canon RF)

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