Canon
RF 50mm F1.2L USM
Canon RF Mount
Flagship RF 50mm f/1.2 L prime with Ring USM, 15-element design, and weather-sealed L-series build.
$2,299
Launch priceReleased Dec 2018
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
FE 70-200mm F2.8 GM OSS II is 2.8 years newer.
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Wins
RF 50mm F1.2L USM
Wins
FE 70-200mm F2.8 GM OSS II
1 categories tied
Which would you choose?
TL;DR — Key differences
- BFE 70-200mm F2.8 GM OSS II has higher OIS effectiveness (4.5 stops vs 0 stops)
- ARF 50mm F1.2L USM has lower Max aperture (Wide) (f/1.2 vs f/2.8)
- ARF 50mm F1.2L USM has lower Max aperture (Tele) (f/1.2 vs f/2.8)
- ARF 50mm F1.2L USM has lower Length (108 mm vs 200 mm)
- BFE 70-200mm F2.8 GM OSS II has higher Max magnification (0.3 × vs 0.19 ×)
Key specs at a glance
Size and weight, to scale
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RF 50mm F1.2L USM
⌀90 × 108 mm
950 g (2.09 lb / 33.51 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 50mm F1.2L USM is 92mm shorter and 2mm wider than FE 70-200mm F2.8 GM OSS II.
RF 50mm F1.2L USM is 95 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 50mm F1.2L USM
- ✓
Max aperture (Wide)
f/1.2 vs f/2.8 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/2.8 — lower is better
- ✓
Special elements
Adds 1 UD
- ✓
Control ring
Only RF 50mm F1.2L USM supports it
- ✓
Length
108 mm vs 200 mm — lower is better
- ✓
Weight
950 g vs 1045 g — lower is better
Reasons to choose the FE 70-200mm F2.8 GM OSS II
- ✓
OIS effectiveness
4.5 stops vs 0 stops — higher is better
- ✓
Special elements
Adds 1 XA, 1 Super ED, 2 ED
- ✓
Optical stabilization
Only FE 70-200mm F2.8 GM OSS II supports it
- ✓
Custom function button
Only FE 70-200mm F2.8 GM OSS II supports it
- ✓
Max magnification
0.3 × vs 0.19 × — higher is better
- ✓
Diameter
88 mm vs 89.8 mm — lower is better
Shared specifications
Min focus distance
Both 40 cm
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
RF 50mm F1.2L USM
Pros
- ✓Stunning sharpness even wide open at f/1.2
- ✓Beautiful, smooth bokeh with 10 rounded aperture blades
- ✓Fast and accurate Dual Pixel AF with Ring USM
- ✓Weather-sealed L-series construction
Cons
- –Heavy for a 50mm prime (950g)
- –Premium price for a single focal length
- –No optical image stabilization
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 50mm F1.2L USM and FE 70-200mm F2.8 GM OSS II at major authorized retailers.
Canon RF 50mm F1.2L 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 October 2026.