Zonal (split) lenses-attachments in frames with a landing diameter of Ø114 Mm and an optical power (in diopters) of + 0.5; +1; +2 and +3 in individual cases. 
They are used with professional filming lenses to obtain two focus points in one frame (on near and far objects). 
It is possible to install additional attachments (compendiums, etc.) on
the nozzles, 3 additional adapter rings are included for installing lenses on lenses with different frame diameters. 
- Ø80mm (with the help of a transition ring Ø114-Ø80mm); 
- Ø95mm (with the help of a transition ring Ø114-Ø95mm);
- Ø110mm (with the help of a transition ring Ø114-Ø110mm).