| LH 266 | Concave Lens, 50mm dia, F/L 5cm, |
| LH 267 | Concave Lens, 50mm dia, F/L 10cm, |
| LH 268 | Concave Lens, 50mm dia, F/L 15cm, |
| LH 269 | Concave Lens, 50mm dia, F/L 20, 25, 30 & 50Cm (Any One), |
| LH 270 | Concave Lens, 50mm dia, F/L 100Cm (Any One), |
| LH 271 | Convex Lens, 50mm dia, F/L 5cm, |
| LH 272 | Convex Lens, 50mm dia, F/L 10cm, |
| LH 273 | Convex Lens, 50mm dia, F/L 15cm, |
| LH 274 | Convex Lens, 50mm dia, F/L 20, 25, 30 & 50 Cm (Any One), |