OM System

OM System M.Zuiko Digital 45mm f/1.8

One of the best-value portrait primes in the Micro Four Thirds system — the 45mm f/1.8 delivers a flattering 90mm full-frame equivalent field of view with beautiful background separation. Compact, sharp wide-open, and excellent value for money. Compatible with every Micro Four Thirds camera ever made.

GearFrame's Take

An outstanding portrait prime that punches far above its price point — compact, sharp, and beautifully built.

Starting from
£349 new
Available at 2 retailers
✓ Available at 2 retailers 🔒 No signup needed 📦 UK stock only
RetailerPrice
New
eBay
eBay
Lowest Buy It Now · marketplace
£240
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Wex Photo Video
Wex Photo Video
£349
Check on Wex Photo Video →
Clifton Cameras
Clifton Cameras
£349
Check on Clifton Cameras →
Prices are synced live from UK retailers. Not every product will be stocked by every retailer; older models may only be available second hand.
Core
Released
2011
Focal Length
45mm
Aperture
f/1.8
Compatible Mount
Micro Four Thirds
Dimensions
56mm diameter × 46.3mm length
Weight
116g
Weather Sealed
No
Optics & Focus
AF Motor
MSC (Movie and Still Compatible) — quiet, fast stepping motor AF
Optical IS
None (relies on body IBIS)
Min. Focus Distance
50cm minimum focus distance

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25 cameras compatible with the Micro Four Thirds mount.

GearScore™ — Suitability by Genre

Base score — computed from verified specs for an enthusiast shooting photo and video. Camera Match adjusts it for your skill level and priorities.

Portrait
6.7
Street
5.6
Travel
5.5
Wedding & Events
5.6
Filmmaking
4.6
Documentary
5.0
Landscape
4.7
Casual
5.8
Food
4.3
Architecture
4.3
Underwater
4.3
✅ Great For
🧑
Portrait 6.7 Strong on focal length and autofocus. The classic MFT portrait prime — 90mm equivalent and f/1.8 separation at a fraction of the cost of full-frame equivalents.
⚠️ Not Ideal For
🍽️
Food 4.3 Held back by close focusing and optical stabilisation.
🤿
Underwater 4.3 Held back by focal length and close focusing.
🏛️
Architecture 4.3 Held back by focal length and generation.
📝 How suitability scores are calculated GearScore™ genre scores are calculated from this camera's verified specifications — autofocus, sensor, weight, weather sealing and more — weighted by what matters for each type of photography. Where a spec sheet misses something (e.g. a manual-focus rangefinder for street), we apply a documented editorial adjustment. Scores are not based on customer reviews. See our full methodology →
Price History — M.Zuiko Digital 45mm f/1.8
New prices, last 30 days

Video reviews and hands-on coverage for the OM System M.Zuiko Digital 45mm f/1.8 from across YouTube.

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