Canon
RF 24mm F1.8 Macro IS STM
Canon RF Mount
RF 24mm F1.8 Macro IS STM — 24mm f/1.8 for Canon RF, a popular choice in the canon lineup.
$499
Launch priceReleased Sep 2020
Canon
RF 85mm F1.2L USM
Canon RF Mount
The definitive portrait prime for RF — f/1.2 aperture delivers unmatched subject separation and dreamy backgrounds.
$2,699
Launch priceReleased Feb 2019
RF 24mm F1.8 Macro IS STM is 1.6 years newer.
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Wins
RF 24mm F1.8 Macro IS STM
Wins
RF 85mm F1.2L USM
1 categories tied
Which would you choose?
TL;DR — Key differences
- ARF 24mm F1.8 Macro IS STM has lower Min focus distance (14 cm vs 85 cm)
- ARF 24mm F1.8 Macro IS STM has lower Weight (270 g vs 1195 g)
- ARF 24mm F1.8 Macro IS STM has higher Max magnification (0.5 × vs 0.12 ×)
- ARF 24mm F1.8 Macro IS STM has lower Length (63.1 mm vs 117 mm)
- BRF 85mm F1.2L USM has lower Max aperture (Wide) (f/1.2 vs f/1.8)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareRF 24mm F1.8 Macro IS STM
⌀74 × 63 mm
270 g (0.60 lb / 9.52 oz)

Credit card
85.6 × 54 mm
for scale
RF 85mm F1.2L USM
⌀103 × 117 mm
1195 g (2.63 lb / 42.15 oz)
RF 24mm F1.8 Macro IS STM is 54mm shorter and 29mm narrower than RF 85mm F1.2L USM.
RF 24mm F1.8 Macro IS STM is 925 g lighter than RF 85mm F1.2L 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 24mm F1.8 Macro IS STM
- ✓
Min focus distance
14 cm vs 85 cm — lower is better
- ✓
Weight
270 g vs 1195 g — lower is better
- ✓
Length
63.1 mm vs 117 mm — lower is better
- ✓
Max magnification
0.5 × vs 0.12 × — higher is better
- ✓
Diameter
74.4 mm vs 103 mm — lower is better
Reasons to choose the RF 85mm F1.2L USM
- ✓
Weather sealing
Only RF 85mm F1.2L USM supports it
- ✓
Control ring
Only RF 85mm F1.2L USM supports it
- ✓
Max aperture (Wide)
f/1.2 vs f/1.8 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/1.8 — lower is better
Shared specifications
Internal focus
Both support internal focus
Pros & cons at a glance
Editorially curated highlights and trade-offs.
RF 24mm F1.8 Macro IS STM
Pros
- ✓Lightweight design easy to carry all day
- ✓Solid optical performance for the price tier
- ✓Native Canon RF mount compatibility
Cons
- –Third-party or older alternatives may offer better value
RF 85mm F1.2L USM
Pros
- ✓Class-leading portrait focal length with f/1.2 aperture
- ✓Exceptional subject isolation and bokeh quality
- ✓Excellent eye-AF tracking on Canon R bodies
- ✓Premium L-series weather sealing
Cons
- –Very heavy (1195g) — tiring for handheld sessions
- –Expensive flagship pricing
- –No built-in stabilization
Decided which one is right for you?
Compare live prices for the RF 24mm F1.8 Macro IS STM and RF 85mm F1.2L USM at major authorized retailers.
Canon RF 24mm F1.8 Macro IS STM
Canon RF 85mm F1.2L USM
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.