The retable or altarpiece (17th c.) File:Eglise Saint-Nicolas des Champs @ Paris (33851453770).jpg|Retable of Saint-Nicolas-des-Champs (1629) File:Sarrazin, Jacques, Anges du maître-autel.jpg|The Assumption of the Virgin" (top painting), by
Simon Vouet File:Vouet, détail.jpg|Detail of "The Assumption of the Virgin" lower painting in Retable by
Simon Vouet File:Trasaltar St. Nicolas des Champs.jpg|The Retable (1629) The most dramatic feature of the interior is the retable, or altarpiece. It was finished in 1629, and is one of the rare examples a major altarpiece from the 17th century in Paris. The altar was made by the sculptor
Jacques Sarazin (1592–1660. It occupies the entire choir, and takes the architectural form of the Jesuit churches of Rome. It was designed primarily to display two paintings by
Simon Vouet (1590–1649): "The Apostles at the Tomb of the Virgin" (Bottom) and "The Assumption of the Virgin", top. depicting the glory of heaven. A group of angels at the top the lower painting serves as a link between the two subjects. One important early work is "The Madonna of the Vic Family", by the celebrated Flemish portrait painter,
Frans Pourbus the Younger (1617). It portrays
Louis IX with his sword, sceptre, and golden spurs, adoring the Virgin and the Christ Child. It takes its name from the donors, Méry and Dominique Vic, who also appear in the painting. It is found in chapel 23, the Chapel of Saint Anne,on the disambulatory around the apse. The more modern Spanish realist painter
Leon Bonnat (1833-1922) is represented by the painting "Saint Vincent de Paul repurchases the galley slaves", found in the Chapel of the Holy Family in the left collateral aisle. His works are also found in the
Panthéon and the
Hotel de Ville, Paris. The disambulatory is also decorated with a modern work by the contemporary artist
Jean-Paul Froidevaux. an updated version of the Stations of the Cross. in vivid and warm colors.
Stained glass File:Paris Saint-Nicolas-des-Champs45.JPG|Stained glass of the choir File:Paris Saint-Nicolas-des-Champs121.JPG|Stained glass of the choir File:Paris-Saint-Nicolas-des-Champs4.JPG|Stained glass depicting of marriage of Mary and Joseph File:Paris-Saint-Nicolas-des-Champs2.JPG|Detail of stained glass File:Paris-Saint-Nicolas-des-Champs98.JPG|Detail of border of stained glass The stained glass windows, like most such windows during the Baroque and classical period, were made with largely white glass, designed to admit a maximum of light, to make reading text easier and to make the art inside more visible. The figures and details on most of the stained glass in this period was painted on the glass with various mineral compounds such as
silver stain, then baked onto the glass, to give three dimensions and shading and other effects similar to paintings. ==Organs==