I think it for only for film cameras not digital.
Explanation:
Using a sharp knife, trim off a portion of the stem's bottom, and remove the leaves that would end up below the water line. Take great care not to scuff or pinch flower stems. Damaged stem tissue significantly reduces flower performance by inhibiting water absorption. Scissors are never recommended for cutting flowers.
Artist.Jean-Antoine Houdon Artwork.Portrait sculpture
Artist.Giovanni Battista Artwork. Italian Classical archaeologist,
Got to school and ask somone or ask you mom or dad