Panasonic LUMIX G 14mm f/2.5 II ASPH. vs Panasonic LUMIX G 20mm f/1.7 ASPH.
The bottom line
These cover different focal lengths — the Panasonic LUMIX G 14mm f/2.5 II ASPH. is 14mm, the Panasonic LUMIX G 20mm f/1.7 ASPH. is 20mm — so they're not really substitutes. Pick by the field of view you actually need: the Panasonic LUMIX G 14mm f/2.5 II ASPH. for wide-angle, the Panasonic LUMIX G 20mm f/1.7 ASPH. for wide-angle.
Choose the Panasonic LUMIX G 14mm f/2.5 II ASPH. if…
- ✓You shoot wide — it starts at 14mm vs 20mm for landscapes, interiors and architecture.
- ✓You value portability — at 55g (1.9 oz) it's lighter than the 100g (3.5 oz) alternative for travel and all-day carry.
Choose the Panasonic LUMIX G 20mm f/1.7 ASPH. if…
- ✓You want more light and background blur — f/1.7 is faster than f/2.5, better for low light and subject separation.
- ✓You need more reach — it goes to 20mm vs 14mm for distant subjects, wildlife and sport.
Where they differ
- ›Aperture: the Panasonic LUMIX G 20mm f/1.7 ASPH. opens to f/1.7 vs the Panasonic LUMIX G 14mm f/2.5 II ASPH.'s f/2.5 — more light and shallower depth-of-field.
- ›Focal range: Panasonic LUMIX G 14mm f/2.5 II ASPH. is 14mm, Panasonic LUMIX G 20mm f/1.7 ASPH. is 20mm — different framing and reach.
Frequently asked
Is the Panasonic LUMIX G 14mm f/2.5 II ASPH. or the Panasonic LUMIX G 20mm f/1.7 ASPH. better?
These cover different focal lengths — the Panasonic LUMIX G 14mm f/2.5 II ASPH. is 14mm, the Panasonic LUMIX G 20mm f/1.7 ASPH. is 20mm — so they're not really substitutes. Pick by the field of view you actually need: the Panasonic LUMIX G 14mm f/2.5 II ASPH. for wide-angle, the Panasonic LUMIX G 20mm f/1.7 ASPH. for wide-angle.
Who should choose the Panasonic LUMIX G 14mm f/2.5 II ASPH.?
Choose the Panasonic LUMIX G 14mm f/2.5 II ASPH. if you shoot wide — it starts at 14mm vs 20mm for landscapes, interiors and architecture. Choose it if you value portability — at 55g (1.9 oz) it's lighter than the 100g (3.5 oz) alternative for travel and all-day carry.
Who should choose the Panasonic LUMIX G 20mm f/1.7 ASPH.?
Choose the Panasonic LUMIX G 20mm f/1.7 ASPH. if you want more light and background blur — f/1.7 is faster than f/2.5, better for low light and subject separation. Choose it if you need more reach — it goes to 20mm vs 14mm for distant subjects, wildlife and sport.
What is the main difference between the Panasonic LUMIX G 14mm f/2.5 II ASPH. and the Panasonic LUMIX G 20mm f/1.7 ASPH.?
Aperture: the Panasonic LUMIX G 20mm f/1.7 ASPH. opens to f/1.7 vs the Panasonic LUMIX G 14mm f/2.5 II ASPH.'s f/2.5 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 14mm | 20mm |
| Lens Type | Prime | Prime |
| Optical Elements | 6 | 7 |
| Optical Groups | 5 | 5 |
| Aperture & Iris | ||
| Maximum Aperture | f/2.5 | f/1.7 |
| Minimum Aperture | f/22 | f/16 |
| Aperture Blades | 7 | 7 |
| Rounded Aperture | No | No |
| Coverage & Angle | ||
| Format Coverage | Micro Four Thirds | Micro Four Thirds |
| Lens Mount | Micro Four Thirds | Micro Four Thirds |
| Angle of View | 75° | 57° |
| 35mm Equivalent | 28-28mm | 40-40mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Stepping | DC |
| Focus Limiter | No | No |
| AF/MF Switch | No | No |
| Min Focus Distance | 18 cm | 20 cm |
| Max Magnification | 0.1x | 0.13x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $299 | $299 |
| Filter Size | 46mm | 46mm |
| Diameter | 55.5mm | 63mm |
| Length | 22mm | 25.5mm |
| Weight | 55g (1.9 oz) | 100g (3.5 oz) |
| Weather Sealed | No | No |
| Tripod Collar | No | No |
