5 Piece Set up lenses 1, 2, 4, 8, 10 diopters for macro photography 49mm eg for Sony NEX models (electronics)
Especially the +10 Dioprien lens turns a SAL-50F18 Ojektiv a Marco with which one can focus down to 2cm distance. As if you had one of the offered Macro lenses SAL-30M28 SAL-50M28 or pre-screwed. Except for the +10 lens, all lenses can be combined by