Laowa 4mm f/2.8 Fisheye MFT vs Laowa 7.5mm f/2 MFT
The bottom line
These cover different focal lengths — the Laowa 4mm f/2.8 Fisheye MFT is 4mm, the Laowa 7.5mm f/2 MFT is 7mm — so they're not really substitutes. Pick by the field of view you actually need: the Laowa 4mm f/2.8 Fisheye MFT for wide-angle, the Laowa 7.5mm f/2 MFT for wide-angle.
Choose the Laowa 4mm f/2.8 Fisheye MFT if…
- ✓You shoot wide — it starts at 4mm vs 7mm for landscapes, interiors and architecture.
Choose the Laowa 7.5mm f/2 MFT if…
- ✓You want more light and background blur — f/2 is faster than f/2.8, better for low light and subject separation.
- ✓You need more reach — it goes to 7mm vs 4mm for distant subjects, wildlife and sport.
Where they differ
- ›Aperture: the Laowa 7.5mm f/2 MFT opens to f/2 vs the Laowa 4mm f/2.8 Fisheye MFT's f/2.8 — more light and shallower depth-of-field.
- ›Focal range: Laowa 4mm f/2.8 Fisheye MFT is 4mm, Laowa 7.5mm f/2 MFT is 7mm — different framing and reach.
Frequently asked
Is the Laowa 4mm f/2.8 Fisheye MFT or the Laowa 7.5mm f/2 MFT better?
These cover different focal lengths — the Laowa 4mm f/2.8 Fisheye MFT is 4mm, the Laowa 7.5mm f/2 MFT is 7mm — so they're not really substitutes. Pick by the field of view you actually need: the Laowa 4mm f/2.8 Fisheye MFT for wide-angle, the Laowa 7.5mm f/2 MFT for wide-angle.
Who should choose the Laowa 4mm f/2.8 Fisheye MFT?
Choose the Laowa 4mm f/2.8 Fisheye MFT if you shoot wide — it starts at 4mm vs 7mm for landscapes, interiors and architecture.
Who should choose the Laowa 7.5mm f/2 MFT?
Choose the Laowa 7.5mm f/2 MFT if you want more light and background blur — f/2 is faster than f/2.8, better for low light and subject separation. Choose it if you need more reach — it goes to 7mm vs 4mm for distant subjects, wildlife and sport.
What is the main difference between the Laowa 4mm f/2.8 Fisheye MFT and the Laowa 7.5mm f/2 MFT?
Aperture: the Laowa 7.5mm f/2 MFT opens to f/2 vs the Laowa 4mm f/2.8 Fisheye MFT's f/2.8 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 4mm | 7mm |
| Lens Type | Prime | Prime |
| Optical Elements | 7 | 10 |
| Optical Groups | 5 | 7 |
| Aperture & Iris | ||
| Maximum Aperture | f/2.8 | f/2 |
| Minimum Aperture | f/16 | 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 | 139° | 114° |
| 35mm Equivalent | 8-8mm | 15-15mm |
| Focus | ||
| Autofocus | No | No |
| Focus Motor | − | − |
| Focus Limiter | No | No |
| AF/MF Switch | No | No |
| Min Focus Distance | 12 cm | 7 cm |
| Max Magnification | 0.15x | 0.12x |
| Stabilization & Video | ||
| Optical Stabilization | No | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $249 | $249 |
| Filter Size | − | 49mm |
| Diameter | 43.5mm | 52.5mm |
| Length | 38mm | 55mm |
| Weight | 85g (3.0 oz) | 95g (3.4 oz) |
| Weather Sealed | No | No |
| Tripod Collar | No | No |






