Reference:
L1403.16
Fresnel lenses offer a valuable compromise:
- Large reading area.
- Minimal thickness.
- Can be cut to size.
- Focus at the focal length
- Drawback: lower contrast, except when viewed head-on.
Characteristics:
| Reference | L1403.16 |
| Diopters | 4 D |
| Commercial magnification | 2.5 x |
| Bifocal segment | 3 x |
| Lens size | 140 x 90 mm |
| Net weight | 124 g |
| Diopters | 8 D |
| Commercial magnification | 3 x |
| Material | Organic |
| Lighting | |
| Case |
| Public price (Tax incl.) | 23.44 € |