Text this: Orientation conjugation of reflecting prism rotation and second-order approximation of image rotation

__    __    _____     _____     _____     ______  
\ \\ / //  |  ___||  /  ___||  |  ___||  /_   _// 
 \ \/ //   | ||__   | // __    | ||__      | ||   
  \  //    | ||__   | \\_\ ||  | ||__     _| ||   
   \//     |_____||  \____//   |_____||  /__//    
    `      `-----`    `---`    `-----`   `--`