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
Sony
FE 70-200mm F2.8 GM OSS II
Sony E Mount
The standard telephoto zoom, completely redesigned to be 29% lighter and significantly sharper.
$2,799
Launch priceReleased Oct 2021
RF 135mm F1.8 L IS USM is 1.8 years newer.
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Wins
RF 135mm F1.8 L IS USM
Wins
FE 70-200mm F2.8 GM OSS II
Which would you choose?
TL;DR — Key differences
- BFE 70-200mm F2.8 GM OSS II has lower Min focus distance (40 cm vs 70 cm)
- ARF 135mm F1.8 L IS USM has lower Max aperture (Wide) (f/1.8 vs f/2.8)
- ARF 135mm F1.8 L IS USM has lower Max aperture (Tele) (f/1.8 vs f/2.8)
- ARF 135mm F1.8 L IS USM has lower Length (130.4 mm vs 200 mm)
- ARF 135mm F1.8 L IS USM has higher OIS effectiveness (5.5 stops vs 4.5 stops)
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
FE 70-200mm F2.8 GM OSS II
⌀88 × 200 mm
1045 g (2.30 lb / 36.86 oz)
RF 135mm F1.8 L IS USM is 70mm shorter and 1mm wider than FE 70-200mm F2.8 GM OSS II.
RF 135mm F1.8 L IS USM is 110 g lighter than FE 70-200mm F2.8 GM OSS II.
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
- ✓
Special elements
Adds 1 UD
- ✓
Control ring
Only RF 135mm F1.8 L IS USM supports it
- ✓
Max aperture (Wide)
f/1.8 vs f/2.8 — lower is better
- ✓
Max aperture (Tele)
f/1.8 vs f/2.8 — lower is better
- ✓
Length
130.4 mm vs 200 mm — lower is better
- ✓
OIS effectiveness
5.5 stops vs 4.5 stops — higher is better
- ✓
Weight
935 g vs 1045 g — lower is better
Reasons to choose the FE 70-200mm F2.8 GM OSS II
- ✓
Special elements
Adds 1 XA, 1 Super ED, 2 ED
- ✓
Min focus distance
40 cm vs 70 cm — lower is better
- ✓
Diameter
88 mm vs 89 mm — lower is better
- ✓
Max magnification
0.3 × vs 0.29 × — higher is better
Shared specifications
Internal focus
Both support internal focus
Optical stabilization
Both support optical stabilization
Weather sealing
Both support weather sealing
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
FE 70-200mm F2.8 GM OSS II
Pros
- ✓Extremely lightweight for an f/2.8 telephoto zoom (only 1045g)
- ✓Virtually instantaneous and silent autofocus with 4 XD Linear motors
- ✓Stunning optical performance and contrast across entire range
- ✓Outstanding built-in Optical SteadyShot stabilization
- ✓Dedicated physical aperture ring with click and lock switches
Cons
- –Very high price tag
- –Lens hood is bulky and can block storage space easily
Decided which one is right for you?
Compare live prices for the RF 135mm F1.8 L IS USM and FE 70-200mm F2.8 GM OSS II at major authorized retailers.
Canon RF 135mm F1.8 L IS USM
Sony FE 70-200mm F2.8 GM OSS II
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.