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
OM System
M.Zuiko Digital ED 45mm F1.2 PRO
Micro Four Thirds Mount
90mm-equiv. F1.2 portrait prime with 50 cm close focus, 62 mm filter thread, and IPX1 weather sealing.
$1,199
Launch priceReleased Nov 2017
M.Zuiko Digital ED 45mm F1.2 PRO is 1.8 years newer.
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Wins
M.Zuiko Digital ED 300mm F4 IS PRO
Wins
M.Zuiko Digital ED 45mm F1.2 PRO
Which would you choose?
TL;DR — Key differences
- AM.Zuiko Digital ED 300mm F4 IS PRO has higher OIS effectiveness (4 stops vs 0 stops)
- BM.Zuiko Digital ED 45mm F1.2 PRO has lower Weight (410 g vs 1475 g)
- BM.Zuiko Digital ED 45mm F1.2 PRO has lower Max aperture (Wide) (f/1.2 vs f/4)
- BM.Zuiko Digital ED 45mm F1.2 PRO has lower Max aperture (Tele) (f/1.2 vs f/4)
- BM.Zuiko Digital ED 45mm F1.2 PRO has lower Min focus distance (50 cm vs 140 cm)
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
M.Zuiko Digital ED 45mm F1.2 PRO
⌀70 × 85 mm
410 g (0.90 lb / 14.46 oz)
M.Zuiko Digital ED 300mm F4 IS PRO is 142mm longer and 23mm wider than M.Zuiko Digital ED 45mm F1.2 PRO.
M.Zuiko Digital ED 300mm F4 IS PRO is 1065 g heavier than M.Zuiko Digital ED 45mm F1.2 PRO.
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
- ✓
OIS effectiveness
4 stops vs 0 stops — higher is better
- ✓
Optical stabilization
Only M.Zuiko Digital ED 300mm F4 IS PRO supports it
- ✓
Custom function button
Only M.Zuiko Digital ED 300mm F4 IS PRO supports it
- ✓
Max magnification
0.24 × vs 0.1 × — higher is better
Reasons to choose the M.Zuiko Digital ED 45mm F1.2 PRO
- ✓
Special elements
Adds 1 Aspherical, 1 DSA, 3 ED…
- ✓
Weight
410 g vs 1475 g — lower is better
- ✓
Max aperture (Wide)
f/1.2 vs f/4 — lower is better
- ✓
Max aperture (Tele)
f/1.2 vs f/4 — lower is better
- ✓
Min focus distance
50 cm vs 140 cm — lower is better
- ✓
Length
84.9 mm vs 227 mm — lower is better
- ✓
Diameter
70 mm vs 92.5 mm — lower is better
Shared specifications
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.
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
M.Zuiko Digital ED 45mm F1.2 PRO
Pros
- ✓Bright f/1.2 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓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 M.Zuiko Digital ED 300mm F4 IS PRO and M.Zuiko Digital ED 45mm F1.2 PRO at major authorized retailers.
OM System M.Zuiko Digital ED 300mm F4 IS PRO
OM System M.Zuiko Digital ED 45mm F1.2 PRO
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.