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| Photometry | |
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 | | EXCELLENT LUMINOUS FLUX CONTROL
The curved glass protector enables excellent flux control, reducing light pollution to a minimum.
The use of glass with a low internal refraction and the shallow depth of the protector account for this excellent result.
The curved protector nevertheless enables the lamp position to be lowered sufficiently to prevent the flash effect typical of flat glass.
As well as improving comfort, this results in a slightly more extensive light distribution, which allows a greater distance between lighting columns.
ON SITE ADJUSTMENT
The lampholder is fitted onto a support inside the plug.
Around twenty positions are possible.
This flexibility enables the light distribution to be adapted to the requirements of the site to be lit (width of the road, height of the installation, etc.).
| |  | | Onyx 2 ST | |  | | The curved glass protector allows excellent flux control, reducing light pollution to a minimum by enabling the lamp position to be lowered sufficiently to prevent the flash effect typical of flat glass.
As well as improving comfort, this results in a slightly more extensive light distribution, allowing a greater distance between lighting columns.
Around twenty lamp positions are possible to adapt the light distribution to the requirements of the site to be lit (width of the road, height of the installation, etc.). | |  | | | |
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