Why does the choice of optics matter?
The use of optics, i.e. a specially profiled lens placed on the LED, is necessary to control the direction of light. Lighting parks, pedestrian crossings, and expressways require different types of optics.
Properly selected optics ensure the safety and comfort of users and can also create a pleasant atmosphere, e.g. in square s or residential estates. However, carefully selected optics also reduces energy costs and often the entire investment.
Properly selected optics ensure the safety and comfort of users and can also create a pleasant atmosphere, e.g. in square s or residential estates. However, carefully selected optics also reduces energy costs and often the entire investment.
How do we check optics parameters in the ROSA laboratory?
In the ROSA laboratory, we personally supervise the selection of optics for individual LED luminaires. We independently determine photometric curves using a goniophotometer. We provide the data we receive to clients who can use it to conduct photometric simulations. This allows to precisely determine which type of optics will work best for a specific investment.
Types of optics in ROSA products
Optics in ROSA products are adapted to:
Street lighting
DW optics - This is a universal optic used in street traffic with an even combination of lighting parameters.
ME optics - Dedicated to wider roads, it illuminates up to three lanes with sidewalks on both sides of the road when the luminaires are installed on one side.
ME optics - Dedicated to wider roads, it illuminates up to three lanes with sidewalks on both sides of the road when the luminaires are installed on one side.
T2 optics - It is suitable for lighting narrower roads with two lanes, as well as for installing luminaires on the middle lane dividing roads in a two-lane configuration (P and M road lighting classes).
T3 optics - Allows for wider forward light distribution than T2 optics and works similarly in illuminating roads with two lanes and sidewalks.
T3 optics - Allows for wider forward light distribution than T2 optics and works similarly in illuminating roads with two lanes and sidewalks.
LM optics - Dedicated to roads requiring M lighting classes, where the height of the column is close to the width of the road. It ensures very high uniformity of longitudinal luminance.
LW optics - Also dedicated to demanding roads where the width of the road is greater than the height of the column (up to 1.5 times).
LW optics - Also dedicated to demanding roads where the width of the road is greater than the height of the column (up to 1.5 times).
Lighting of pedestrian routes and residential roads
SP optics - It emits light very widely, so the distance between the luminaires can be up to eight times greater than the height of the column on which they are hung.
3L optics - Dedicated to bicycle paths, has a wide light distribution. Long distances from low columns.
3L optics - Dedicated to bicycle paths, has a wide light distribution. Long distances from low columns.
Park and area lighting
VS optics - Characterised by evenly symmetrical light distribution around the luminaire (square beam).
T4 optics - It works best in low-height luminaires designed at short distances from each other. It is characterised by light emission far forward.
T4 optics - It works best in low-height luminaires designed at short distances from each other. It is characterised by light emission far forward.
Pedestrian crossing lighting
P2 optics - the best optics for pedestrian crossings, designed specifically for the requirements of WR-D-41-4. It allows for lighting a pedestrian crossing on a road with three lanes in one direction from one luminaire.
PP optics - In order to avoid driver’s glare, it is recommended to use optics in pedestrian crossing luminaires with asymmetric light beam distribution to the right and left, respectively.
PL optics - Important! Optics for left-hand traffic also work well for right-hand traffic, in the case of columns lighting pedestrian crossings being installed on an island.
PP optics - In order to avoid driver’s glare, it is recommended to use optics in pedestrian crossing luminaires with asymmetric light beam distribution to the right and left, respectively.
PL optics - Important! Optics for left-hand traffic also work well for right-hand traffic, in the case of columns lighting pedestrian crossings being installed on an island.
The presented examples show how many different investments can be made with the appropriate selection of optics. Importantly, not only the location of the implementation has an impact on the final effect - the individual preferences of the investor are also important. By working with ROSA, you can be sure that the completed project will be tailor-made.