On sale 31%
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/2.0
Mount Micro Four Thirds
Weather Sealed Yes
Weight 193 g
af type manual focus only
lens type prime
48 Overall Score
Price $138
Snapshot
Pros & Cons
Pros
- Strong bokeh (93th percentile) 93th
- Strong build (92th percentile) 92th
- Strong aperture (91th percentile) 91th
- Strong social proof (71th percentile) 71th
Cons
- Below average af (15th percentile)
- Below average optical (30th percentile)
- Below average versatility (34th percentile)
- Below average macro (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/2.0 |
| Min Aperture | 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 28-75mm f/2.8 Di III VXD G2 | Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR | Canon EF-S 18-135mm f/3.5-5.6 IS USM | Sony E SELP1650 | Meike 50mm F1.8 Full Frame STM Auto Focus Prime |
|---|---|---|---|---|---|---|
| Focal Length | 50mm | 28-75mm | 16-85mm | 18-135mm | 16-50mm | 50mm |
| Max Aperture | f/2.0 | f/2.8 | f/3.5 | f/3.5 | f/3.5 | f/1.8 |
| Mount | Micro Four Thirds | Sony E | Nikon F | Canon EF-S | Sony E | Sony E |
| Stabilization | false | false | true | true | true | true |
| Weather Sealed | true | true | false | false | false | false |
| Weight (g) | 193 | 550 | 59 | 515 | 116 | 369 |
| AF Type | manual focus only | VXD | AF-S | STM | Stepping motor | STM |
| Lens Type | prime | zoom | zoom | zoom | zoom | Wide-Angle |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Olympus Zuiko OPTM5020M43O 50mm | 15.1 | 92.9 | 91.7 | 34.2 | 29.7 | 90.6 | 44.6 | 34 | 71.2 | 35.8 |
| Tamron Di III 28-75mm f/2.8 Di III VXD G2 Compare | 55 | 87.3 | 62.9 | 85.1 | 91.2 | 85.1 | 81.1 | 78.4 | 91.8 | 35.8 |
| Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR Compare | 55 | 76.8 | 98.5 | 59.6 | 64.6 | 78.8 | 81.1 | 94.2 | 87.9 | 92.3 |
| Canon EF-S 18-135mm f/3.5-5.6 IS USM Compare | 86.2 | 76.8 | 46 | 33 | 79.5 | 78.8 | 0 | 96 | 77.9 | 92.3 |
| Sony E SELP1650 Compare | 86.2 | 76.8 | 93.6 | 34.9 | 63.6 | 78.8 | 63.9 | 83.5 | 74 | 92.3 |
| Meike 50mm F1.8 Full Frame STM Auto Focus Prime Compare | 86.2 | 96.4 | 62.5 | 95.9 | 37.6 | 93.4 | 86.3 | 34 | 50.1 | 80.8 |
Price
Value & Pricing
From $138
Amazon 1 offers From $138
May 6, 2026 $138
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
