Canon
RF 28-70mm F2L USM
Canon RF Mount
The world's first f/2 standard zoom — unmatched low-light performance and shallow depth of field across the range.
$2,999
Launch priceReleased Oct 2018
Canon
RF 35mm F1.2 L USM
Canon RF Mount
RF 35mm F1.2 L USM — 35mm f/1.2 for Canon RF, a popular choice in the canon lineup.
$2,999
Launch priceReleased Dec 2018
RF 35mm F1.2 L USM is 2 months newer.
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Wins
RF 28-70mm F2L USM
Wins
RF 35mm F1.2 L USM
1 categories tied
TL;DR — Key differences
- BRF 35mm F1.2 L USM has lower Max aperture (Wide) (f/1.2 vs f/2)
- BRF 35mm F1.2 L USM has lower Max aperture (Tele) (f/1.2 vs f/2)
- BRF 35mm F1.2 L USM has lower Weight (950 g vs 1430 g)
- ARF 28-70mm F2L USM has lower Min focus distance (39 cm vs 50 cm)
- BRF 35mm F1.2 L USM has lower Length (111.5 mm vs 140 mm)
Key specs at a glance
Size and weight, to scale
RF 28-70mm F2L USM
⌀104 × 140 mm
1430 g (3.15 lb / 50.44 oz)

Credit card
85.6 × 54 mm
for scale
RF 35mm F1.2 L USM
⌀89 × 112 mm
950 g (2.09 lb / 33.51 oz)
RF 28-70mm F2L USM is 29mm longer and 15mm wider than RF 35mm F1.2 L USM.
RF 28-70mm F2L USM is 480 g heavier than RF 35mm F1.2 L USM.
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 RF 28-70mm F2L USM
- ✓
Special elements
Adds 1 Super UD, 2 UD, 1 Aspherical
- ✓
Min focus distance
39 cm vs 50 cm — lower is better
- ✓
Max magnification
0.21 × vs 0.17 × — higher is better
Reasons to choose the RF 35mm F1.2 L USM
- ✓
Special elements
Adds 3 Aspherical, 1 UD
- ✓
Custom function button
Only RF 35mm F1.2 L USM supports it
- ✓
Max aperture (Wide)
f/1.2 vs f/2 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/2 — lower is better
- ✓
Weight
950 g vs 1430 g — lower is better
- ✓
Length
111.5 mm vs 140 mm — lower is better
- ✓
Diameter
89 mm vs 104 mm — lower is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Pros & cons at a glance
Editorially curated highlights and trade-offs.
RF 28-70mm F2L USM
Pros
- ✓Constant f/2 aperture — unique among standard zooms
- ✓Exceptional low-light and indoor event performance
- ✓Outstanding build quality and weather sealing
- ✓Fast Ring USM autofocus
Cons
- –Extremely heavy (1430g) — not for casual carry
- –Highest price in the standard zoom category
- –No optical image stabilization
RF 35mm F1.2 L USM
Pros
- ✓Bright f/1.2 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓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 RF 28-70mm F2L USM and RF 35mm F1.2 L USM at major authorized retailers.
Canon RF 28-70mm F2L USM
Canon RF 35mm F1.2 L USM
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.