Accessory for Ring Lights - Fresnel lens F50 d23
Characteristics
- focussing plate made of PMMA
- for focusing light in incident light applications
- attachment on the lighting is made with Attachment ring M103x0.5
Technical data
| Optical material | PMMA |
| Spectral range | 400 nm - 1100 nm |
| Focal length | 50.8 mm (546 nm) |
| Refractive index | 1.49 |
| Outer diameter | 24.4 mm |
| Inner diameter | 11.8 mm |
| Material thickness | 1.8 mm |
| Weight | 0.7 g |
| Can be combined with: | |
| Ring light | RK613 |
