"Iris" is a beautiful kaleidoscope by Japanese artist Yasuko Nakazato. The bodies of these scopes are slumped glass with lovely iris flowers in relief and they have decorative soldering on the scope ends and the object cylinder. The object cylinder is oil-filled, bifercated in the middle and includes dichroic and polarized materials and lampworked glass. Theses scopes measure 7-1/4"L x 2"W at the eyepiece end. The object cylinder is 3-1/4"L. The stunning images in these scopes are created by a modified 3-mirror system and they are signed (Yasuko) by the artist.