S - SATYNA coversatin , REF. 17111
ELIMINATES THE GREEN TONE OF LIGHT AT ITS EDGES
ELIMINATES STREAKS IN THE LIGHT STREAM
The shape of the cover and its functions are identical to the focusing cover-S.
The difference is that Satin Cover-S eliminates the green tone of light at its edges of light distribution. Light coming through the satin S- cover is also more uniform . The Satin finish eliminates individual streaks and provides a homogenous line of light.