Canon
RF 135mm F1.8 L IS USM
Canon RF Mount
RF 135mm F1.8 L IS USM — 135mm f/1.8 for Canon RF, a popular choice in the canon lineup.
$2,099
Launch priceReleased Aug 2023

Canon
RF 85mm F1.4 L VCM
Canon RF Mount
Hybrid L-series 85mm with VCM autofocus, manual iris ring, and weather sealing.
$1,649
Launch priceReleased Feb 2025
RF 85mm F1.4 L VCM is 1.4 years newer.
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Wins
RF 135mm F1.8 L IS USM
Wins
RF 85mm F1.4 L VCM
Which would you choose?
TL;DR — Key differences
- ARF 135mm F1.8 L IS USM has higher OIS effectiveness (5.5 stops vs 0 stops)
- ARF 135mm F1.8 L IS USM has higher Max magnification (0.29 × vs 0.12 ×)
- BRF 85mm F1.4 L VCM has lower Weight (636 g vs 935 g)
- BRF 85mm F1.4 L VCM has lower Length (99.3 mm vs 130.4 mm)
- BRF 85mm F1.4 L VCM has lower Max aperture (Wide) (f/1.4 vs f/1.8)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareRF 135mm F1.8 L IS USM
⌀89 × 130 mm
935 g (2.06 lb / 32.98 oz)

Credit card
85.6 × 54 mm
for scale

RF 85mm F1.4 L VCM
⌀77 × 99 mm
636 g (1.40 lb / 22.43 oz)
RF 135mm F1.8 L IS USM is 31mm longer and 13mm wider than RF 85mm F1.4 L VCM.
RF 135mm F1.8 L IS USM is 299 g heavier than RF 85mm F1.4 L VCM.
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 135mm F1.8 L IS USM
- ✓
OIS effectiveness
5.5 stops vs 0 stops — higher is better
- ✓
Optical stabilization
Only RF 135mm F1.8 L IS USM supports it
- ✓
Max magnification
0.29 × vs 0.12 × — higher is better
- ✓
Min focus distance
70 cm vs 75 cm — lower is better
Reasons to choose the RF 85mm F1.4 L VCM
- ✓
Weight
636 g vs 935 g — lower is better
- ✓
Length
99.3 mm vs 130.4 mm — lower is better
- ✓
Max aperture (Wide)
f/1.4 vs f/1.8 — lower is better
- ✓
Max aperture (Tele)
f/1.4 vs f/1.8 — lower is better
- ✓
Diameter
76.5 mm vs 89 mm — lower is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Custom function button
Both support custom function button
Pros & cons at a glance
Editorially curated highlights and trade-offs.
RF 135mm F1.8 L IS USM
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Built-in optical image stabilization
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Premium price point
- –Relatively heavy for extended handheld use
RF 85mm F1.4 L VCM
Pros
- ✓Bright f/1.4 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the RF 135mm F1.8 L IS USM and RF 85mm F1.4 L VCM at major authorized retailers.
Canon RF 135mm F1.8 L IS USM
Canon RF 85mm F1.4 L VCM
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.