Canon
RF 70-200mm F2.8L IS USM
Canon RF Mount
An incredibly compact, extending telephoto zoom with L-series optics and 5 stops of stabilization.
$2,799
Launch priceReleased Oct 2019
Panasonic
LEICA DG NOCTICRON 42.5mm F1.2
Micro Four Thirds Mount
LEICA DG NOCTICRON 42.5mm F1.2 — 42.5mm f/1.2 for Micro Four Thirds, a popular choice in the panasonic lineup.
$1,599
Launch priceReleased Aug 2014
RF 70-200mm F2.8L IS USM is 5.2 years newer.
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Wins
RF 70-200mm F2.8L IS USM
Wins
LEICA DG NOCTICRON 42.5mm F1.2
1 categories tied
TL;DR — Key differences
- BLEICA DG NOCTICRON 42.5mm F1.2 has lower Weight (425 g vs 1070 g)
- BLEICA DG NOCTICRON 42.5mm F1.2 has lower Max aperture (Wide) (f/1.2 vs f/2.8)
- BLEICA DG NOCTICRON 42.5mm F1.2 has lower Max aperture (Tele) (f/1.2 vs f/2.8)
- BLEICA DG NOCTICRON 42.5mm F1.2 has lower Min focus distance (38 cm vs 70 cm)
- BLEICA DG NOCTICRON 42.5mm F1.2 has lower Length (110 mm vs 146 mm)
Key specs at a glance
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 70-200mm F2.8L IS USM
- ✓
Special elements
Adds 1 Super UD, 1 UD, 2 Aspherical
Reasons to choose the LEICA DG NOCTICRON 42.5mm F1.2
- ✓
Special elements
Adds Aspherical, ED
- ✓
Weight
425 g vs 1070 g — lower is better
- ✓
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
- ✓
Internal focus
Only LEICA DG NOCTICRON 42.5mm F1.2 supports it
- ✓
Custom function button
Only LEICA DG NOCTICRON 42.5mm F1.2 supports it
- ✓
Min focus distance
38 cm vs 70 cm — lower is better
- ✓
Length
110 mm vs 146 mm — lower is better
Shared specifications
Optical stabilization
Both support optical stabilization
OIS effectiveness
Both 5 stops
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Pros & cons at a glance
Editorially curated highlights and trade-offs.
RF 70-200mm F2.8L IS USM
Pros
- ✓Unbelievably compact storage size thanks to extending barrel
- ✓Very lightweight design (only 1070g)
- ✓Excellent center sharpness at all focal lengths
- ✓Dual Nano USM focus motors offer fast, silent AF
- ✓Exceptional 5-stop optical image stabilization
Cons
- –Extending barrel can draw in dust/moisture over time
- –Not compatible with RF teleconverters (due to rear element position)
- –Vignetting is quite heavy wide open
LEICA DG NOCTICRON 42.5mm F1.2
Pros
- ✓Bright f/1.2 aperture for low light and subject separation
- ✓Built-in optical image stabilization
- ✓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 70-200mm F2.8L IS USM and LEICA DG NOCTICRON 42.5mm F1.2 at major authorized retailers.
Canon RF 70-200mm F2.8L IS USM
Panasonic LEICA DG NOCTICRON 42.5mm F1.2
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.