Canon
RF 85mm F2 Macro IS STM
Canon RF Mount
An affordable portrait and macro hybrid — f/2 aperture, 0.5x magnification, and 5-stop IS in a compact package.
$599
Launch priceReleased Jul 2020
Sony
FE 135mm F1.8 GM
Sony E Mount
FE 135mm F1.8 GM — 135mm f/1.8 for Sony E, a popular choice in the sony lineup.
$1,899
Launch priceReleased Feb 2019
RF 85mm F2 Macro IS STM is 1.3 years newer.
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Wins
RF 85mm F2 Macro IS STM
Wins
FE 135mm F1.8 GM
Which would you choose?
TL;DR — Key differences
- ARF 85mm F2 Macro IS STM has higher OIS effectiveness (5 stops vs 0 stops)
- ARF 85mm F2 Macro IS STM has higher Max magnification (0.5 × vs 0.15 ×)
- ARF 85mm F2 Macro IS STM has lower Length (78 mm vs 183 mm)
- ARF 85mm F2 Macro IS STM has lower Weight (500 g vs 950 g)
- BFE 135mm F1.8 GM has lower Min focus distance (30 cm vs 35 cm)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareRF 85mm F2 Macro IS STM
⌀79 × 78 mm
500 g (1.10 lb / 17.64 oz)
Credit card
85.6 × 54 mm
for scale
FE 135mm F1.8 GM
⌀81 × 183 mm
950 g (2.09 lb / 33.51 oz)
RF 85mm F2 Macro IS STM is 105mm shorter and 2mm narrower than FE 135mm F1.8 GM.
RF 85mm F2 Macro IS STM is 450 g lighter than FE 135mm F1.8 GM.
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 85mm F2 Macro IS STM
- ✓
Special elements
Adds 1 UD
- ✓
OIS effectiveness
5 stops vs 0 stops — higher is better
- ✓
Length
78 mm vs 183 mm — lower is better
- ✓
Optical stabilization
Only RF 85mm F2 Macro IS STM supports it
- ✓
Weight
500 g vs 950 g — lower is better
- ✓
Max magnification
0.5 × vs 0.15 × — higher is better
- ✓
Diameter
79 mm vs 81 mm — lower is better
Reasons to choose the FE 135mm F1.8 GM
- ✓
Special elements
Adds Aspherical
- ✓
Weather sealing
Only FE 135mm F1.8 GM supports it
- ✓
Custom function button
Only FE 135mm F1.8 GM supports it
- ✓
Min focus distance
30 cm vs 35 cm — lower is better
- ✓
Max aperture (Wide)
f/1.8 vs f/2 — lower is better
- ✓
Max aperture (Tele)
f/1.8 vs f/2 — lower is better
Shared specifications
Internal focus
Both support internal focus
Control ring
Both support control ring
Pros & cons at a glance
Editorially curated highlights and trade-offs.
RF 85mm F2 Macro IS STM
Pros
- ✓Excellent value for portrait and close-up work
- ✓0.5x macro magnification built in
- ✓5-stop optical image stabilization
- ✓Compact and lightweight (500g)
Cons
- –f/2 not as shallow as f/1.2 L lenses
- –Plastic construction, not L-series
- –AF slightly slower than USM lenses
FE 135mm F1.8 GM
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Sony E mount compatibility
Cons
- –Relatively heavy for extended handheld use
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the RF 85mm F2 Macro IS STM and FE 135mm F1.8 GM at major authorized retailers.
Canon RF 85mm F2 Macro IS STM
Sony FE 135mm F1.8 GM
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.