Knight Optical’s iris diaphragms offer dynamic control of beam width and light throughput in optical systems.
We can offer both stainless and sprung steel leaves.
| Name | Maximum Aperture (mm) | Minimum Aperture (mm) | Outer Diameter (mm) | Thickness (mm) | Number of Leaves | Pin Length (mm) | Price | Buy |
| GIQ0815 | 8 | 0.8 | 14.8 | 4.5 | 8 | 7 |
£39.30
|
|
| GIS7050 | 50 | 2.8 | 70 | 7.5 | 16 | 15 |
£145.90
|
|
| GIS5337 | 37 | 1.9 | 53 | 6 | 16 | 12.5 |
£70.20
|
|
| GIS5036 | 36 | 1.9 | 50 | 6 | 16 | 12.5 |
£67.90
|
|
| GIS3725 | 25 | 1.4 | 37 | 5.5 | 14 | 12.9 |
£55.40
|
|
| GIS3020 | 20 | 1.2 | 30 | 5.5 | 12 | 13.2 |
£51.10
|
|
| GIS2415 | 15 | 1.2 | 24 | 5 | 12 | 11.3 |
£46.50
|
|
| GIS2012 | 12 | 1 | 19.8 | 5 | 10 | 11.5 |
£44.90
|
|
| GIS1508 | 8 | 0.8 | 14.8 | 4.5 | 8 | 7 |
£48.20
|
|
| GIQ9270 | 70 | 4.5 | 92 | 9.0 | 20 | 13.5 |
£192.10
|


