Rubinar
Rubinar (Russian: Рубинар) is a Soviet lens series in the ultra-telephoto range, which was developed and built by the company "Lytkarino AG for optical glass" (LZOS). These lenses can still be used on modern cameras today, provided you use an M42 adapter. However, since there is no motor for focusing, it can only be focused manually.
Versions
- MC Rubinar - 1: 8.0 500 mm
- MC Rubinar - 1: 4.5 300 mm
- MC Rubinar - 1: 5.6 500 mm
- MC Rubinar - 1:10 1000 mm
- Astro-Rubinar 106/1000 is a mini telescope for star gazing
The MTO11A, also from Russia, is in contrast to the Rubinar ("RuMak" with a separate secondary mirror glued to the correction plate) a Gregory Maksutov system in which the secondary mirror is vapor-deposited on the inside of the correction plate. The system data 1:10 1000mm are the same for both types.