Adolf Luther, Lichtschleuse (light trap), 1962, Stripes of glass in between glass plates, aluminium frame, steel rack, 51 x 38 x 14 cm, Photo: Inka Recke, Adolf Luther, Sphärisches Hohlspiegelobjekt, 1990, Semitransparent concave mirror, acrylic glass, 40 x 40 x 9 cm, Photo: Marcus Schneider, Adolf Luther, L+M (Licht und Materie), 1961, Black matter-object on wooden panel, pastose mass made of oil, pigment and chalk, 57,5 x 57,5 x 5,5 cm, Photo: setform.de, Adolf Luther, Hohlspiegelobjekt mit Licht, 1974, Semitransparent concave mirror, in acrylic glass box, 62 x 62 x 16 cm, Ø 60 cm , setform.de, Adolf Luther, Hohlspiegelobjekt, 1969, 49 concave, square, tinted mirrors on aluminum, in acrylic glass frame with aluminium ledge and wooden panel, 95 x 91 x 8,5 cm, Photo: Sasa Fuis, Adolf Luther, Hohlspiegelobjekt, 1971, 8 x 3 concave mirror stripes on black wooden panel in aluminum frame, 101 x 101 x 9,5 cm, Photo: Archive, Adolf Luther, Stehlinsen (Lens on metal foot), 1977-78, Concave mirror, semitransparent, synthetic framework, steel pole with foot, ∅ ca. 60 cm and ∅ ca. 50 cm, height variable, max. 240 cm, Photo: Archive, Adolf Luther, Stehlinsen (Detail), 1977-78, Concave mirror, semitransparent, synthetic framework, steel pole with foot, ∅ 60 cm, height ca. 240 cm, Photo: Archive, Adolf Luther, Sphärisches Hohlspiegelobjekt (Spheric concave mirror object), 1972, 5 concave semitransparent mirror stripes in acrylic glass box , 30 x 50 x 9 cm, Photo: Marcus Schneider, Adolf Luther, Lichtharfe (light harp), 1966, Semitransparent concave mirror stripes, acrylic glass, 27 x 44.5 x 7 cm, Photo: Marcus Schneider, Adolf Luther, Lichtschleuse (light trap), 1964, Stripes of glass between glass plate, aluminium frame, steel rack, 50 x 14 x 25 cm, Photo: Archive, Adolf Luther, Struktur für Licht (Structure for light), 1962, Eggshells, gesso, oil and pigment on wood, 54 x 54 x 10 cm, Photo: Archive, Adolf Luther, Hohlspiegelobjekt mit Licht, 1974, Semitransparent concave mirror, in acrylic glass box, 62 x 62 x 16 cm, Ø 60 cm , setform.de, Adolf Luther, Laserraum, 1972, Installation with 2 lasers, rotating acrylic glass stele, mirror, fog machine , Size variable, Photo: setform.de, Adolf Luther, Salinas (Ibiza), 1974, Photomontage on concave mirror stripes in acrylic glass, 28,5 x 51 x 7,5 cm, Photo: setform.de, Adolf Luther, Hohlspiegelobjekt, 1972, 3 x 13 circular concave mirrors in front of 2 x 12 circular concave mirrors, aluminium frame, glass on black wooden panel , 150 x 36,5 x 4,5 cm, Photo: setform.de, Adolf Luther, Hohlspiegelobjekt, 1971, 8 x 3 concave mirror stripes on black wooden panel in aluminum frame, 101 x 101 x 9,5 cm, setform.de, Adolf Luther, Sphärische Wandstele, 1977, 30 semitransparent, tinted concave mirror stripes, plane mirror, acrylic glass, 245 x 58,5 x 17,5 cm, setform.de, Adolf Luther, Hohlspiegelobjekt, 1974, 4 x 4 mirror objects on black wooden panel in aluminum frame, acylic glass top, 41 x 41 x 4,5 cm, setform.de, Adolf Luther, Hohlspiegelobjekt, 1967, 49 square concave mirrors with chamfered edges on mirror surface , 53 x 53 x 8 cm, setform.de, Adolf Luther, Stehlinse (Lens on metal foot), 1978, Concave mirror, semitransparent, synthetic framework, steel pole with foot, ∅ ca. 60 cm and ∅ ca. 50 cm, height variable, max. 240 cm, Photo: Archive, Adolf Luther, Lichtintegration, 1974/75, 12 wall steles, each with 6 cicular semitransparent concave mirrors in front of plane mirror, 274 x 540 x 16 cm, setform.de, Adolf Luther, Hängelinsen, 1976, concave mirror, semitransparent, synthetic framework, wire, ∅ ca 75 cm x 12 cm, setform.de, Adolf Luther, Hängelinse, 1978, Concave mirror, semitransparent, synthetic framework, wire, Ø 75 cm x 12 cm, setform.de, Adolf Luther, Sphärisches Hohlspiegelobjekt (beleuchtet), 1979, 8 x semitransparent mirrorstripes, 1 flat mirror, plexiglass, flourescent lamp, 40 x 40 x 16.5 cm , Signature: Luther 79, Stamp: Sehen ist schön, Photo: Archiv Adolf-Luther-Stiftung, Krefeld, Adolf Luther, Laser Raum, 1970, 3 ruby-laser, rotating acrylic glass stele, electric motor, size variable, Photo: Archiv Adolf-Luther-Stiftung, Krefeld,