17.2 Altering beam angles by inserting diffusion filters.
Several optional and interchangeable diffusion filters may be utilised on the unit to vary the beam characteristics in particular appli-
cations.
All filters are rotatable through 360°
- Beam shape: circular
Diffusion lense
cod. VT 171/3
1/2 peak angle: 9,5°
1/10 peak angle: 20°
- Beam shape: circular
Prismatic, semi-diffusion lense
cod. VT171/1
1/2 peak angle: 13,5°
1/10 peak angle: 31°
- Beam shape: square
Prismatic, maximum diffusion lense
cod. VT 171/2
1/2 peak angle: 71°
1/10 peak angle: 71°
- Beam shape: rectangular
Prismatic outline/shaped lense
cod. VT 171
vertical projection
1/2 peak angle: 24°
1/10 peak angle: 40°
horizontal projection
1/2 peak angle: 55°
1/10 peak angle: 68°
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