Panasonic Lumix G H-H020AK 20mm
Its 40mm equivalent focal length and bright f/1.7 aperture make this pancake lens stand out, delivering sharp results from its 2 aspherical elements in an 86g body. The compact, discreet size pairs with a 7-blade rounded diaphragm for smooth background rendering, making it an ideal everyday carry lens. This lens is best for street photographers and travelers who prioritize portability without sacrificing low-light capability.
Snapshot
Pros & Cons
Pros
- Strong build (98th percentile) 98th
- Strong social proof (85th percentile) 85th
Cons
- Below average bokeh (28th 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.
Based on 60 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 20 |
| Focal Length Max | 20 |
| Elements | 7 |
| Groups | 5 |
| Aspherical Elements | 2 |
| Coating | Multi-coated |
Aperture
| Max Aperture | f/16 |
| Min Aperture | f/1.7 |
| Constant | No |
| Diaphragm Blades | 7 |
Build
| Mount | Micro Four Thirds |
| Format | micro-four-thirds |
| Weight | 0.1 kg / 0.2 lbs |
| Filter Thread | 46 |
AF & Stabilization
| AF Type | Contrast AF |
| Stabilization | No |
Focus
| Min Focus Distance | 200 |
| Max Magnification | 0.13x |
vs Competition
| Spec | Panasonic Lumix G H-H020AK 20mm | 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 | Sony E 18-135mm f/3.5-5.6 OSS | Viltrox Pro AF 27mm f/1.2 |
|---|---|---|---|---|---|---|
| Focal Length | 20mm | 28-300mm | 18-50mm | 17-28mm | 18-135mm | 27mm |
| Max Aperture | f/16 | f/4 | f/2.8 | f/2.8 | f/3.5 | f/1.2 |
| Mount | Micro Four Thirds | Sony E | Sony E | Nikon Z | Sony E | Sony E |
| Stabilization | false | true | false | false | true | false |
| Weather Sealed | false | true | true | true | false | true |
| Weight (g) | 87 | 590 | 290 | 450 | 326 | 560 |
| AF Type | Contrast AF | VXD linear motor | stepping motor | Stepping Motor | Linear motor | STM |
| Lens Type | prime | zoom | zoom | zoom | zoom | prime |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Panasonic Lumix G H-H020AK 20mm | 53.9 | 28.2 | 97.8 | 40.5 | 53.2 | 40.6 | 63.7 | 33.6 | 85.1 | 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 |
| 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 |
| Viltrox Pro AF 27mm f/1.2 Compare | 86.9 | 98.5 | 67.4 | 38.5 | 82.2 | 98.6 | 91.2 | 33.6 | 89.6 | 36.8 |
Price
Value & Pricing
We started tracking prices for this product on May 29, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
