Canon
RF 24-70mm F2.8L IS USM
Canon RF Mount
The cornerstone zoom for Canon mirrorless, featuring 5 stops of optical image stabilization.
$2,399
Launch priceReleased Aug 2019
Viltrox
AF 28-75mm F2.8 Z
Nikon Z Mount
AF 28-75mm F2.8 Z — 28–75mm f/2.8 for Nikon Z, a popular choice in the viltrox lineup.
$699
Launch priceReleased Apr 2023
AF 28-75mm F2.8 Z is 3.7 years newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
RF 24-70mm F2.8L IS USM
Wins
AF 28-75mm F2.8 Z
2 categories tied
Which would you choose?
TL;DR — Key differences
- ARF 24-70mm F2.8L IS USM has higher OIS effectiveness (5 stops vs 0 stops)
- ARF 24-70mm F2.8L IS USM has lower Min focus distance (21 cm vs 38 cm)
- BAF 28-75mm F2.8 Z has lower Weight (550 g vs 900 g)
- BAF 28-75mm F2.8 Z has lower Diameter (75 mm vs 88 mm)
- ARF 24-70mm F2.8L IS USM has higher Max magnification (0.3 × vs 0.26 ×)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to share
RF 24-70mm F2.8L IS USM
⌀88 × 125 mm
900 g (1.98 lb / 31.75 oz)
Credit card
85.6 × 54 mm
for scale
AF 28-75mm F2.8 Z
⌀75 × 117 mm
550 g (1.21 lb / 19.40 oz)
RF 24-70mm F2.8L IS USM is 8mm longer and 13mm wider than AF 28-75mm F2.8 Z.
RF 24-70mm F2.8L IS USM is 350 g heavier than AF 28-75mm F2.8 Z.
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 24-70mm F2.8L IS USM
- ✓
OIS effectiveness
5 stops vs 0 stops — higher is better
- ✓
Special elements
Adds 3 UD
- ✓
Optical stabilization
Only RF 24-70mm F2.8L IS USM supports it
- ✓
Weather sealing
Only RF 24-70mm F2.8L IS USM supports it
- ✓
Control ring
Only RF 24-70mm F2.8L IS USM supports it
- ✓
Min focus distance
21 cm vs 38 cm — lower is better
- ✓
Max magnification
0.3 × vs 0.26 × — higher is better
Reasons to choose the AF 28-75mm F2.8 Z
- ✓
Special elements
Adds 3 ED, 1 HR
- ✓
Weight
550 g vs 900 g — lower is better
- ✓
Diameter
75 mm vs 88 mm — lower is better
- ✓
Length
117 mm vs 125 mm — lower is better
Shared specifications
Max aperture (Wide)
Both f/2.8
Max aperture (Tele)
Both f/2.8
Internal focus
Both support internal focus
Pros & cons at a glance
Editorially curated highlights and trade-offs.
RF 24-70mm F2.8L IS USM
Pros
- ✓Built-in optical image stabilization (up to 5 stops)
- ✓Excellent L-series sharpness and build quality
- ✓Fast and silent Nano USM focus motor
- ✓Very low chromatic aberration
Cons
- –Heavier than competitive options (900g)
- –Pricey entry threshold
- –Minor barrel distortion at 24mm
AF 28-75mm F2.8 Z
Pros
- ✓Versatile zoom range covers multiple focal lengths in one lens
- ✓Solid optical performance for the price tier
- ✓Native Nikon Z mount compatibility
Cons
- –No optical stabilization — relies on body IBIS
- –Third-party or older alternatives may offer better value
Decided which one is right for you?
Compare live prices for the RF 24-70mm F2.8L IS USM and AF 28-75mm F2.8 Z at major authorized retailers.
Canon RF 24-70mm F2.8L IS USM
Viltrox AF 28-75mm F2.8 Z
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.