Previously a SON and metal halide lantern, the Stratum 450 is the smallest Stratum lantern available for 4m-8m mounting-heights. The lantern is now only sold in LED form, producing between 2872lm-15224lm. As well as their deep bowl, they are available in flat-glass for dark sky applications.

Birmingham

Woodcock Street is home to a variety of heritage and amenity lanterns. A healthy mix can be seen in the image below:

The stratum is actually the one farthest-right on the twin-arm column. These lanterns run 100W SON-T lamps.