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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
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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

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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.

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Canon RF 15-35mm F2.8 L IS USM vs Canon RF 20-50mm F4 L IS USM PZ

Key differences

  • —The RF 20-50mm F4 L IS USM PZ is 420g lighter (420g vs 840g).
  • —The RF 15-35mm F2.8 L IS USM is faster: f/2.8 vs f/4 (≈1.0 stops more light).
  • —At launch the RF 20-50mm F4 L IS USM PZ cost $900 less ($1,399 vs $2,299).
  • —For close-ups the RF 20-50mm F4 L IS USM PZ reaches 0.33× vs 0.21×.
Canon
RF 15-35mm F2.8 L IS USM
Canon RF 15-35mm F2.8 L IS USM
L
Canon
RF 20-50mm F4 L IS USM PZ
Canon RF 20-50mm F4 L IS USM PZ
L
Mount
Canon RF
Canon RF
Focal length
15–35mm
20–50mm
Max aperture
F2.8◆
F4
Weight
840g
420g◆
Dimensions ⌀ × L
88.5 × 126.8mm
79.9 × 98.4mm
Volume
780 cm³
493 cm³◆
Density
1.08 g/cm³
0.85 g/cm³
Filter thread
⌀82mm
⌀67mm
Min focus
0.28m
0.24m◆
Max magnification
0.21×
0.33×◆
Elements / groups
16 / 12
13 / 11
Aperture blades
9
9
Focus drive
Nano USM
Nano USM (x3)
Stabilisation
Yes
Yes
Weather sealed
Yes
Yes
Aperture ring
—
—
Released
2019
2026
MSRP (USD)
$2,299
$1,399◆
Sharpness
8.8◆
8.4
Bokeh Rendering
7.6◆
6.8
Autofocus Speed
9.0◆
8.8
Flare Resistance
8.3◆
7.0
Build / Sealing
9.3◆
9.0
Value / Size
7.2
7.4◆
SHARPBOKEHAFFLAREBUILDVALUE

Performance overlay

  • RF 15-35mm F2.8 L IS USM
  • RF 20-50mm F4 L IS USM PZ

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