Many techniques have been developed for diffusing or softening images, whether to create a mood in a landscape or portrait or simply as an aid to make people look glamorous.
This filter produces a silky-smooth texture, even in tight close-ups without sacrificing image clarity. The Black Diffusion F/X filter offers the most advanced diffuser ever developed by Tiffen. Creates a diffused image that doesn't look like it's been shot through a filter.
Reviewed by 2 customers
I just use it to soften the images and of course prtect my lens
Their item description states: 1)Eyes stay clear and sharp and 2)Does spectacular job of suppressing facial blemishes and wrinkles Neither of these statements are true. The filter produced eyes that were out of focus and no noticable difference in blemishes (except they look a little blury).