Indirect fire aiming is achieved with the use of a PG-1 panoramic telescope.
2.
A PG-1M panoramic telescope with K-1 collimator can be used for sighting.
3.
The panoramic telescope has a four power, fixed focus optical system, with 178 mils field of view.
4.
Four panoramic telescopes are also mounted on the tower, which can be used to observe the panorama of Belgrade.
5.
The British adopted the name " Dial Sight " for this instrument; the US used " Panoramic Telescope "; the Russia used " Goertz panorama ".
6.
As there is no gyroscopic or similar system for independent, automated and autonomous gun laying in the DANA, the gunner of howitzer uses a ZZ-73 panoramic telescope with a PG1-M-D collimator for indirect gun laying.
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