Loupes Specification Comparison Chart
| Reading Magnifier L1 Series | Reading Magnifier S1 Series | Reading Magnifier U1-4D | Precision Loupe (for connoisseurs) | ||||
|---|---|---|---|---|---|---|---|
| L1-4D (Square type) |
L1-8D (Round type) |
S1-4D (Square type) |
S1-8D (Round type) |
S1-10D (Round type) |
10x | ||
| Effective size/diameter of lens (mm) | 100x54 | 80 | 100x54 | 80 | 60 | 100x54 | 13 |
| Refractive power (diopters) | 4 | 8 | 4 | 8 | 10 | 4 | - |
| Reference magnification (x) | 1.5 | 2 | 1.5 | 2 | 2.5 | 1.5 | 10 (±1％) |
| Lens material | Acrylic (PMMA) lens | Optical glasses consisting of three elements | |||||
| Lens form | Equiconvex aspherical lens | - | |||||
| Surface coating | Hard coating | - | |||||
| Dimensions (LxWxH) (mm) | 160x198x17 | 230x91x17 | 160x198x17 | 230x91x17 | 190x71x15 | 83×142 (up to 242 when the handle is open) x18 | 42x24x16* |
| Weight (g) | 115 (without battery) | 114 (without battery) | 109 | 108 | 65 | 103 | Approx. 15 |
| Light source | White LED x1 | - | |||||
| Power | LR03 (AAA size) alkaline battery x 1 | - | |||||
| Battery life (at a temperature of 25°C)** | Approx. 8 hours | - | |||||
- *When the lens is retracted to its original position.
- **Battery life varies depending on temperature, humidity and other conditions.
- Reference magnification is when an object is clearly visible at approx. 250mm.