Olympus Zuiko OPTM5020M43O 50mm
The 50mm f/2.0 lens (100mm equivalent) delivers 0.52x macro magnification with an ED element and full weather sealing in a 193g body. Its manual focus-only design and 9-blade constant f/2.0 aperture provide smooth bokeh and rugged, water-shedding durability. Best for Micro Four Thirds portrait photographers and macro shooters who need a lightweight, weather-resistant lens without autofocus.
Focal length 50mm
Aperture f/2
Mount Micro Four Thirds
Weather Sealed Yes
Weight 193 g
af type manual focus only
lens type prime
49 Overall Score
Price ¥0
No listings available
Snapshot
Pros & Cons
Pros
- Strong build (94th percentile) 94th
- Strong bokeh (93rd percentile) 93rd
- Strong aperture (90th percentile) 90th
- Strong social proof (75th percentile) 75th
Cons
- Below average af (13th percentile)
- Below average versatility (34th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has cooled since launch
82/100Our AI sentiment read
Based on 9 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 50 |
| Focal Length Max | 50 |
| Elements | 6 |
| Groups | 5 |
| ED Elements | 1 |
| Coating | HD Anti-Reflection |
Aperture
| Max Aperture | f/2 |
| Min Aperture | f/2 |
| Constant | Yes |
| Diaphragm Blades | 9 |
Build
| Mount | Micro Four Thirds |
| Format | micro-four-thirds |
| Weather Sealed | Yes |
| Weight | 0.2 kg / 0.4 lbs |
| Filter Thread | 49 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 648 |
| Max Magnification | 0.52x |
vs Competition
| Spec | Olympus Zuiko OPTM5020M43O 50mm | Tamron Di III VC 28-300mm f/4-7.1 VXD | Sigma Contemporary 18-50mm f/2.8 DC DN | Nikon NIKKOR Z 17-28mm f/2.8 | Panasonic Leica DG Vario-Elmarit H-ES12035 | Sony E 18-135mm f/3.5-5.6 OSS |
|---|---|---|---|---|---|---|
| Focal Length | 50mm | 28-300mm | 18-50mm | 17-28mm | 12-35mm | 18-135mm |
| Max Aperture | f/2 | f/4 | f/2.8 | f/2.8 | f/2.8 | f/3.5 |
| Mount | Micro Four Thirds | Sony E | Sony E | Nikon Z | Micro Four Thirds | Sony E |
| Stabilization | false | true | false | false | true | true |
| Weather Sealed | true | true | true | true | true | false |
| Weight (g) | 193 | 590 | 290 | 450 | 306 | 326 |
| AF Type | manual focus only | VXD linear motor | stepping motor | Stepping Motor | Autofocus | Linear motor |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Olympus Zuiko OPTM5020M43O 50mm | 13.3 | 92.5 | 93.9 | 43.3 | 40.2 | 90.4 | 44.7 | 33.6 | 74.5 | 36.8 |
| Tamron Di III VC 28-300mm f/4-7.1 VXD Compare | 98 | 78.2 | 65.1 | 85.8 | 96.7 | 66.3 | 91.2 | 97.7 | 55 | 82.4 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 86.9 | 82.1 | 86.1 | 91.7 | 82.2 | 84.2 | 80.9 | 78.6 | 89.6 | 36.8 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 86.9 | 87.3 | 75.2 | 85.8 | 88.2 | 84.2 | 91.2 | 68 | 69.1 | 36.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.9 | 82.1 | 85.4 | 51 | 86.5 | 84.2 | 63.7 | 80.6 | 85.1 | 96.9 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98 | 75.7 | 72.5 | 40.3 | 78.5 | 77.6 | 44.7 | 95.8 | 89.6 | 82.4 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
