Nikko 20 x 120 mm with 45 Degree Inclined Oculars
The 6th 120 mm Japanese model was produced with oculars inclined 45 degrees. The prism system is a 45 degree Schmidt, with a rhomboid prism system again employed to correctly located and adjust IPD. They have a 3 degree real field and a 60 degree apparent field angle. The eyepiece is a variation of the classic Erfle.