Demist Shield to prevent eye-piece fogging: these disposable protective covers screw in to the ocular of Night Vision Devices; they prevent condensation from forming on the optical surfaces during dynamic temperature conditions.
Demist Shield
| Optics | |
|
Type of glass |
PMMA |
|
Glass thickness, mm |
1 |
|
Refraction index (nd) |
1,4918 |
|
Abbe number (νd) |
57,44 |
|
Wavelength range (λt), mkm |
0,33-2,33 |
| Mechanics | |
|
Dimensions (mm) |
8 x Ø30 |
|
Weight (g) |
3,5 |
|
Thread |
M26x 0,75 |