Lens Kit
This is a perfect lens kit suitable for use in many areas from teaching materials to research and development. The special Lens Kit comes with 27 lenses that are commonly used including plano convex (9 Focal lengths), biconvex (6 Focal lengths), plano concave (6 Focal lengths) and biconcave (6 Focal lengths).
Outer diameter of the lenses are all 25.4mm diameter.Focal length are provided in a wide range of –200 - 1,000 mm.
A special case made of wood is provided for convenient storage.
| Composition | ||||
|---|---|---|---|---|
| Part Number | Focal Length f |
Edge Thickness te |
Center Thickness tc |
Back Focal Length fb |
| 〔mm〕 | 〔mm〕 | 〔mm〕 | 〔mm〕 | |
| Plano Convex Lenses | ||||
| SLB-25.4-30P | 30 | 1.7 | 8.3 | 24.5 |
| SLB-25.4-50P | 50 | 1.9 | 5.2 | 46.6 |
| SLB-25.4-70P | 70 | 1.9 | 4.2 | 67.2 |
| SLB-25.4-100P | 100 | 1.9 | 3.5 | 97.7 |
| SLB-25.4-150P | 150 | 2 | 3 | 148 |
| SLB-25.4-200P | 200 | 2 | 2.8 | 198.2 |
| SLB-25.4-300P | 300 | 2 | 2.5 | 298.4 |
| SLB-25.4-500P | 500 | 2 | 2.3 | 498.4 |
| SLB-25.4-1000P | 1000 | 2 | 2.2 | 998.5 |
| Biconvex Lenses | ||||
| SLB-25.4B-25P | 26.5 | 1.8 | 8.4 | 23.6 |
| SLB-25.4B-50P | 50.8 | 1.9 | 5.1 | 49.2 |
| SLB-25.4B-70P | 70.7 | 1.9 | 4.1 | 69.3 |
| SLB-25.4B-100P | 100.6 | 1.9 | 3.5 | 99.4 |
| SLB-25.4B-150P | 150.5 | 2 | 3 | 149.5 |
| SLB-25.4B-200P | 200.5 | 2 | 2.8 | 199.6 |
| Plano Concave Lenses | ||||
| SLB-25.4-30N | -30 | 8.6 | 2 | -31.3 |
| SLB-25.4-50N | -50 | 5.3 | 2 | -51.3 |
| SLB-25.4-70N | -70 | 4.3 | 2 | -71.3 |
| SLB-25.4-100N | -100 | 3.6 | 2 | -101.3 |
| SLB-25.4-150N | -150 | 3 | 2 | -151.3 |
| SLB-25.4-200N | -200 | 2.8 | 2 | -201.3 |
| Biconcave Lenses | ||||
| SLB-25.4B-25N | -24.7 | 8.6 | 2 | -25.4 |
| SLB-25.4B-50N | -49.7 | 5.2 | 2 | -50.4 |
| SLB-25.4B-70N | -69.7 | 4.2 | 2 | -70.4 |
| SLB-25.4B-100N | -99.7 | 3.6 | 2 | -100.4 |
| SLB-25.4B-150N | -149.7 | 3 | 2 | -150.4 |
| SLB-25.4B-200N | -199.7 | 2.8 | 2 | -200.4 |
