| 1 | Parfocal Spacer Ring M25x0.75 / 11mm | O-303-21 | on request |   |   | 
                                                                                                      
                                    | 2 | Parfocal Spacer Ring M25x0.75 / 11.5mm | O-303-22 | on request |   |   | 
                                                                                                      
                                    | 3 | Parfocal Spacer Ring M25x0.75 / 14.5mm | O-303-24 | on request |   |   | 
                                                                                                      
                                    | 4 | Parfocal Spacer Ring M25x0.75 / 22mm | O-303-23 | on request |   |   | 
                                                                                                      
                                    | 5 | Parfocal Spacer Ring M25x0.75 / 25.5mm | O-303-27 | on request |   |   | 
                                                                                                      
                                    | 6 | Parfocal Spacer Ring W0.8x1/36"(RMS) / 11mm | O-304-21 | on request |   |   | 
                                                                                                      
                                    | 7 | Parfocal Spacer Ring W0.8x1/36"(RMS) / 11.5mm | O-304-22 | on request |   |   | 
                                                                                                      
                                    | 8 | Parfocal Spacer Ring W0.8x1/36"(RMS) / 14.5mm | O-304-24 | on request |   |   | 
                                                                                                      
                                    | 9 | Parfocal Spacer Ring W0.8x1/36"(RMS) / 22mm | O-304-23 | on request |   |   | 
                                                                                                      
                                    | 10 | Parfocal Spacer Ring W0.8x1/36"(RMS) / 25.5mm | O-304-27 | on request |   |   | 
                                                                                                      
                                    | 11 | Parfocal Spacer Ring M26x0.75 / 14.5mm | O-305-22 | on request |   |   | 
                                                                                                      
                                    | 12 | Parfocal Spacer Ring M26x0.75 / 25.5mm | O-305-23 | on request |   |   | 
                                                                                                      
                                    | 13 | Parfocal Spacer Ring M26x1/36"/ 11.5mm | O-307-27 | on request |   |   | 
                                                                                                      
                                    | 14 | Parfocal Spacer Ring M26x1/36"/ 14.5mm | O-307-22 | on request |   |   | 
                                                                                                      
                                    | 15 | Parfocal Spacer Ring M27x0.75 / 11mm | O-306-21 | on request |   |   |