Canon
RF 14-35mm F4L IS USM
Canon RF Mount
A compact, lightweight ultra-wide zoom with 5.5-stop IS — ideal for vloggers, travelers, and landscape photographers.
$1,699
Launch priceReleased Aug 2022
Panasonic
LUMIX S 16-35mm F4
Leica L Mount
LUMIX S 16-35mm F4 — 16–35mm f/4 for Leica L, a popular choice in the panasonic lineup.
$1,299
Launch priceReleased Jan 2023
LUMIX S 16-35mm F4 is 4 months newer.
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Wins
RF 14-35mm F4L IS USM
Wins
LUMIX S 16-35mm F4
2 categories tied
Which would you choose?
TL;DR — Key differences
- ARF 14-35mm F4L IS USM has higher OIS effectiveness (5.5 stops vs 0 stops)
- ARF 14-35mm F4L IS USM has higher Max magnification (0.38 × vs 0.25 ×)
- ARF 14-35mm F4L IS USM has lower Min focus distance (20 cm vs 25 cm)
- BLUMIX S 16-35mm F4 has lower Diameter (73.6 mm vs 84 mm)
- BLUMIX S 16-35mm F4 has lower Weight (493 g vs 540 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareRF 14-35mm F4L IS USM
⌀84 × 112 mm
540 g (1.19 lb / 19.05 oz)
Credit card
85.6 × 54 mm
for scale
LUMIX S 16-35mm F4
⌀74 × 105 mm
493 g (1.09 lb / 17.39 oz)
RF 14-35mm F4L IS USM is 7mm longer and 10mm wider than LUMIX S 16-35mm F4.
RF 14-35mm F4L IS USM is 47 g heavier than LUMIX S 16-35mm F4.
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 14-35mm F4L IS USM
- ✓
Special elements
Adds 4 Aspherical, 2 UD
- ✓
OIS effectiveness
5.5 stops vs 0 stops — higher is better
- ✓
Optical stabilization
Only RF 14-35mm F4L IS USM supports it
- ✓
Min focus distance
20 cm vs 25 cm — lower is better
- ✓
Max magnification
0.38 × vs 0.25 × — higher is better
Reasons to choose the LUMIX S 16-35mm F4
- ✓
Special elements
Adds 2 Aspherical, 1 ED
- ✓
Custom function button
Only LUMIX S 16-35mm F4 supports it
- ✓
Diameter
73.6 mm vs 84 mm — lower is better
- ✓
Weight
493 g vs 540 g — lower is better
- ✓
Length
105.4 mm vs 112 mm — lower is better
Shared specifications
Max aperture (Wide)
Both f/4
Max aperture (Tele)
Both f/4
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Pros & cons at a glance
Editorially curated highlights and trade-offs.
RF 14-35mm F4L IS USM
Pros
- ✓Extremely compact for an ultra-wide zoom (540g)
- ✓14mm ultra-wide perspective for dramatic scenes
- ✓5.5-stop optical image stabilization
- ✓Center sharpness excellent across range
Cons
- –f/4 maximum aperture limits low-light use
- –More expensive than EF 16-35mm f/4 IS
- –Corner sharpness falls off at 14mm
LUMIX S 16-35mm F4
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Weather-sealed construction for outdoor shooting
- ✓Native Leica L mount compatibility
Cons
- –Slower maximum aperture limits low-light performance
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the RF 14-35mm F4L IS USM and LUMIX S 16-35mm F4 at major authorized retailers.
Canon RF 14-35mm F4L IS USM
Panasonic LUMIX S 16-35mm F4
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.