This B&W 52 mm 081 Medium Blue Extra Wide Glass filter produces the same results as the 080 Light Blue filter only more intensely. Therefore, it has the same application. Its stronger effect makes it a mood creating filter photographing in fog or when aerial perspective is to be accentuated.
B&W Extra-Wides are special filters for wide-angle lenses. In order to prevent vignetting, the accessory thread on the front is larger
Tonal separation in the photography of objects is increased more than with an 080 Light Blue filter
"Mood" creating filter