OM System
M.Zuiko Digital ED 20mm F1.4 PRO
Micro Four Thirds Mount
40mm-equiv. F1.4 wide prime with 25 cm close focus, 58 mm filter thread, and IPX1 weather sealing.
$799
Launch priceReleased Oct 2020
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
M.Zuiko Digital ED 20mm F1.4 PRO is 4.7 years newer.
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Wins
M.Zuiko Digital ED 20mm F1.4 PRO
Wins
M.Zuiko Digital ED 300mm F4 IS PRO
Which would you choose?
TL;DR — Key differences
- BM.Zuiko Digital ED 300mm F4 IS PRO has higher OIS effectiveness (4 stops vs 0 stops)
- AM.Zuiko Digital ED 20mm F1.4 PRO has lower Weight (247 g vs 1475 g)
- AM.Zuiko Digital ED 20mm F1.4 PRO has lower Min focus distance (25 cm vs 140 cm)
- AM.Zuiko Digital ED 20mm F1.4 PRO has lower Length (61.7 mm vs 227 mm)
- AM.Zuiko Digital ED 20mm F1.4 PRO has lower Max aperture (Wide) (f/1.4 vs f/4)
Key specs at a glance
Size and weight, to scale
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M.Zuiko Digital ED 20mm F1.4 PRO
⌀63 × 62 mm
247 g (0.54 lb / 8.71 oz)
Credit card
85.6 × 54 mm
for scale
M.Zuiko Digital ED 300mm F4 IS PRO
⌀93 × 227 mm
1475 g (3.25 lb / 52.03 oz)
M.Zuiko Digital ED 20mm F1.4 PRO is 165mm shorter and 29mm narrower than M.Zuiko Digital ED 300mm F4 IS PRO.
M.Zuiko Digital ED 20mm F1.4 PRO is 1228 g lighter than M.Zuiko Digital ED 300mm F4 IS 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 20mm F1.4 PRO
- ✓
Special elements
Adds 1 Aspherical, 1 Super ED, 2 ED
- ✓
Weight
247 g vs 1475 g — lower is better
- ✓
Min focus distance
25 cm vs 140 cm — lower is better
- ✓
Length
61.7 mm vs 227 mm — lower is better
- ✓
Max aperture (Wide)
f/1.4 vs f/4 — lower is better
- ✓
Max aperture (Tele)
f/1.4 vs f/4 — lower is better
- ✓
Diameter
63.4 mm vs 92.5 mm — lower is better
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
- ✓
Max magnification
0.24 × vs 0.11 × — higher is better
Shared specifications
Internal focus
Both support internal focus
Weather sealing
Both support weather sealing
Control ring
Both support control ring
Custom function button
Both support custom function button
Pros & cons at a glance
Editorially curated highlights and trade-offs.
M.Zuiko Digital ED 20mm F1.4 PRO
Pros
- ✓Bright f/1.4 aperture for low light and subject separation
- ✓Prime design typically delivers strong sharpness and lighter weight
- ✓Weather-sealed construction for outdoor shooting
- ✓Lightweight design easy to carry all day
Cons
- –Third-party or older alternatives may offer better value
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
Decided which one is right for you?
Compare live prices for the M.Zuiko Digital ED 20mm F1.4 PRO and M.Zuiko Digital ED 300mm F4 IS PRO at major authorized retailers.
OM System M.Zuiko Digital ED 20mm F1.4 PRO
OM System M.Zuiko Digital ED 300mm F4 IS 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.