Example: "The dichroic glass door"
| The colour gradation filter VARIOTRANS shows the observer a multiple colour spectrum, e.g. from yellow via magenta to soluble blue, even without a change in illumination and position. | Back |
| The colour gradation filter VARIOTRANS shows the observer a multiple colour spectrum, e.g. from yellow via magenta to soluble blue, even without a change in illumination and position. | Back |