Lens Comparison
7Artisans 18mm f/6.3 II (Micro Four Thirds) vs TTArtisan 25mm f/2 C (Micro Four Thirds)
Key Differences
- TTArtisan 25mm f/2 C (Micro Four Thirds) has a better aperture blades (7 vs 0).
- 7Artisans 18mm f/6.3 II (Micro Four Thirds) has a better length (6.6mm vs 23.5mm).
- TTArtisan 25mm f/2 C (Micro Four Thirds) has a better maximum aperture (f/2 vs f/6.3).
- TTArtisan 25mm f/2 C (Micro Four Thirds) has a better min focus distance (15 cm vs 20 cm).
- 7Artisans 18mm f/6.3 II (Micro Four Thirds) has a better price (msrp) ($79 vs $99).
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 18mm | 25mm |
| Lens Type | Prime | Prime |
| Optical Elements | 4 | 6 |
| Optical Groups | 3 | 5 |
| Aperture & Iris | ||
| Maximum Aperture | f/6.3 | f/2 |
| Minimum Aperture | f/6.3 | f/16 |
| Aperture Blades | 0 | 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 | − | − |
| 35mm Equivalent | 36-36mm | 50-50mm |
| Focus | ||
| Autofocus | No | No |
| Focus Motor | − | − |
| Focus Limiter | No | No |
| AF/MF Switch | No | No |
| Min Focus Distance | 20 cm | 15 cm |
| Max Magnification | 0.1x | 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) | $79 | $99 |
| Filter Size | 46mm | 43mm |
| Diameter | 56mm | 40mm |
| Length | 6.6mm | 23.5mm |
| Weight | 55g (1.9 oz) | 66g (2.3 oz) |
| Weather Sealed | No | No |
| Tripod Collar | No | No |
