Soft Filter - 49mm to 58mm

The Soft filter softens highlights, causing them to "bleed" for a dreamy look typical of 1980s/1990s films...

You can find out your lens's filter holder size by measuring the internal thread; it does not correspond at all to the focal length: for example, a 50mm 1.8 lens can have a 49, 52, or 55mm thread...