OM System
M.Zuiko Digital ED 300mm F4 IS PRO
Micro Four Thirds Mount
600mm-equiv. F4 super-telephoto with Sync IS (6 stops), 1475g weight, removable rotating tripod collar, and PRO weather sealing.
$3,499
Launch priceReleased Feb 2016
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 5.7 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
M.Zuiko Digital ED 300mm F4 IS PRO
Wins
FE 70-200mm F2.8 GM OSS II
Which would you choose?
TL;DR — Key differences
- BFE 70-200mm F2.8 GM OSS II has lower Min focus distance (40 cm vs 140 cm)
- BFE 70-200mm F2.8 GM OSS II has lower Max aperture (Wide) (f/2.8 vs f/4)
- BFE 70-200mm F2.8 GM OSS II has lower Max aperture (Tele) (f/2.8 vs f/4)
- BFE 70-200mm F2.8 GM OSS II has lower Weight (1045 g vs 1475 g)
- BFE 70-200mm F2.8 GM OSS II has higher Max magnification (0.3 × vs 0.24 ×)
Key specs at a glance
Size and weight, to scale
📸 Snap this lens size diff to share
M.Zuiko Digital ED 300mm F4 IS PRO
⌀93 × 227 mm
1475 g (3.25 lb / 52.03 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)
M.Zuiko Digital ED 300mm F4 IS PRO is 27mm longer and 5mm wider than FE 70-200mm F2.8 GM OSS II.
M.Zuiko Digital ED 300mm F4 IS PRO is 430 g heavier 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 M.Zuiko Digital ED 300mm F4 IS PRO
- ✓
Special elements
Adds 3 Super ED, 3 HR, 1 E-HR
- ✓
Control ring
Only M.Zuiko Digital ED 300mm F4 IS PRO supports it
Reasons to choose the FE 70-200mm F2.8 GM OSS II
- ✓
Special elements
Adds 1 XA, 1 Aspherical, 1 Super ED…
- ✓
Min focus distance
40 cm vs 140 cm — lower is better
- ✓
Max aperture (Wide)
f/2.8 vs f/4 — lower is better
- ✓
Max aperture (Tele)
f/2.8 vs f/4 — lower is better
- ✓
Weight
1045 g vs 1475 g — lower is better
- ✓
Length
200 mm vs 227 mm — lower is better
- ✓
OIS effectiveness
4.5 stops vs 4 stops — higher is better
- ✓
Max magnification
0.3 × vs 0.24 × — higher is better
Shared specifications
Internal focus
Both support internal focus
Optical stabilization
Both support optical stabilization
Weather sealing
Both support weather sealing
Custom function button
Both support custom function button
Pros & cons at a glance
Editorially curated highlights and trade-offs.
M.Zuiko Digital ED 300mm F4 IS PRO
Pros
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Built-in optical image stabilization
- ✓Weather-sealed construction for outdoor shooting
Cons
- –Premium price point
- –Relatively heavy for extended handheld use
- –Slower maximum aperture limits low-light performance
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 M.Zuiko Digital ED 300mm F4 IS PRO and FE 70-200mm F2.8 GM OSS II at major authorized retailers.
OM System M.Zuiko Digital ED 300mm F4 IS PRO
Sony FE 70-200mm F2.8 GM OSS II
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.