OM System
M.Zuiko Digital ED 8-25mm F4 PRO
Micro Four Thirds Mount
Ultra-wide 8–25mm F4 PRO zoom (16–50mm equiv.) with IP53 sealing, 0.21× magnification, and retracting design.
$1,099
Launch priceReleased Jun 2020
Tamron
28-75mm F2.8 Di III VXD G2
Sony E Mount
An incredibly popular third-party zoom updated with vastly improved sharpness and autofocus.
$899
Launch priceReleased Aug 2021
28-75mm F2.8 Di III VXD G2 is 1.2 years newer.
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Wins
M.Zuiko Digital ED 8-25mm F4 PRO
Wins
28-75mm F2.8 Di III VXD G2
1 categories tied
Which would you choose?
TL;DR — Key differences
- B28-75mm F2.8 Di III VXD G2 has higher Max magnification (0.37 × vs 0.21 ×)
- B28-75mm F2.8 Di III VXD G2 has lower Max aperture (Wide) (f/2.8 vs f/4)
- B28-75mm F2.8 Di III VXD G2 has lower Max aperture (Tele) (f/2.8 vs f/4)
- AM.Zuiko Digital ED 8-25mm F4 PRO has lower Length (88.5 mm vs 118 mm)
- AM.Zuiko Digital ED 8-25mm F4 PRO has lower Weight (411 g vs 540 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to shareM.Zuiko Digital ED 8-25mm F4 PRO
⌀77 × 89 mm
411 g (0.91 lb / 14.50 oz)
Credit card
85.6 × 54 mm
for scale
28-75mm F2.8 Di III VXD G2
⌀76 × 118 mm
540 g (1.19 lb / 19.05 oz)
M.Zuiko Digital ED 8-25mm F4 PRO is 30mm shorter and 1mm wider than 28-75mm F2.8 Di III VXD G2.
M.Zuiko Digital ED 8-25mm F4 PRO is 129 g lighter than 28-75mm F2.8 Di III VXD G2.
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 M.Zuiko Digital ED 8-25mm F4 PRO
- ✓
Special elements
Adds 1 DSA, 2 Aspherical ED, 1 Super ED…
- ✓
Control ring
Only M.Zuiko Digital ED 8-25mm F4 PRO supports it
- ✓
Length
88.5 mm vs 118 mm — lower is better
- ✓
Weight
411 g vs 540 g — lower is better
Reasons to choose the 28-75mm F2.8 Di III VXD G2
- ✓
Special elements
Adds 2 LD, 2 GM
- ✓
Custom function button
Only 28-75mm F2.8 Di III VXD G2 supports it
- ✓
Max aperture (Wide)
f/2.8 vs f/4 — lower is better
- ✓
Max aperture (Tele)
f/2.8 vs f/4 — lower is better
- ✓
Min focus distance
18 cm vs 23 cm — lower is better
- ✓
Max magnification
0.37 × vs 0.21 × — higher is better
- ✓
Diameter
76 mm vs 77 mm — lower is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
M.Zuiko Digital ED 8-25mm F4 PRO
Pros
- ✓Constant F4 across 8–25mm
- ✓IP53 weather sealing with ZERO coating
- ✓Retracting barrel — only 411g
Cons
- –No front filter thread (optional CP adapter)
- –Extending zoom barrel
28-75mm F2.8 Di III VXD G2
Pros
- ✓Superb value for money compared to first-party options
- ✓Excellent sharpness throughout the range, even at f/2.8
- ✓Very lightweight and compact (only 540g)
- ✓Fast VXD linear motor focus drive
- ✓Customizable lens functions via Tamron Lens Utility software
Cons
- –Starts at 28mm instead of the wider 24mm standard
- –Slightly weaker corner sharpness at 75mm wide open
- –Weather sealing is basic compared to Sony GM lenses
Decided which one is right for you?
Compare live prices for the M.Zuiko Digital ED 8-25mm F4 PRO and 28-75mm F2.8 Di III VXD G2 at major authorized retailers.
OM System M.Zuiko Digital ED 8-25mm F4 PRO
Tamron 28-75mm F2.8 Di III VXD G2
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Full specifications
✓ = category winner
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.