Accessory for Ring Lights - Fresnel lens F50 d40
Characteristics
- focussing plate made of PMMA
- for focusing light in incident light applications
- the attachment to the lighting is done by the attachment ring M42x0.5
Technical data
| Optical material | PMMA |
| Spectral range | 400 nm - 1100 nm |
| Focal length | 50.8 mm (546 nm) |
| Refractive index | 1.49 |
| Outer diameter | 40.6 mm |
| Inner diameter | 22.4 mm |
| Material thickness | 1.8 mm |
| Weight | 1.7 g |
| Can be combined with: | |
| Ring light | RK1220 |
Drawings
Dimensional drawing in mm