RBR M79 Osa Optical Sight

[Eggburt1969]

Does anyone know the correct designation, if there is one, of the optical sighting system of the Former Yugoslavian RBR M79 Osa 90 mm rocket launcher?

I have a presumed Bosnian or Croatian language manual on the M79, but it does not give the optical sight a designation, just refers to it as the 'Optički Nišan'; i.e. Optical Sight in English.

A couple of websites selling a Latin script marked-up sight shows its marking to be 'ON RBR-90M79', with the ON presumed to be Optički Nišan again.

NIŠANSKA SPRAVA RBR-90 M79 Osa

NIŠANSKA SPRAVA RBR-90 M79 Osa Uz nišan ide i originalna torbica.

www.njuskalo.hr

NIŠANSKA SPRAVA RBR-90 M79 Osa

NIŠANSKA SPRAVA RBR-90 M79 Osa Stanje kao na slikama....

www.njuskalo.hr

Various unverifiable websites such as Wikipedia and CAT-UXO, with the latter often just copying data from the former, refer to it as a CN-6.

As far as I'm aware, the Serbian for an 'Optical Sight' is 'Оптички Нишан' (or similar), which would be abbreviated to ON (RS: ОН) again. As such where on earth are they getting the CN-6 designation from?

 

[AKON_]

Did you notice this peculiarity? In the manual, the diagram of the mechanical sights appears below a photo and a drawing—labeled "Sl. 5"—while the diagram and photo of the optical sight are listed under the designation "Sl. 6." I’m not sure if this is what you’re looking for, but it’s interesting how that "6" became associated with the optical sight system. This is just my opinion; it might not be correct, true, or even relevant...
Akon

 

[Eggburt1969]

Maybe Akon, who knows how someone has interpreted the data? I mean I've seen some truly crazy interpretations of data in reference material I've had to clean up over the years.

I presume the Sl. is short for the word 'Slide' in Bosnian, Croatian or Serbian language: Slajd, Slajd, or Слајд.

 

[AKON_]

Among other places, I would look at a traditional manufacturer ...

History | Zrak

Případne továrnu pod tímto symbolem který také vyráběl optiku
..
Akon
Ciljnicka naprava CN-6 ....CN-4

Client Challenge

What do you think?

 

[AKON_]

What’s interesting about that sight is that it contains a radioactive source... along with a value in GBq . if I recall correctly. I actually held it in my hands many years ago...
Akon

 

[Eggburt1969]

Hmm, so CN is likely 'Ciljničke Naprave' in Croatian. I had this locally too, which is from a the 2013 'Croatian Defence Industry Catalog'.



Checking other sources, and the above, the CN-6 is for the Croatian version of the RBR M79 Osa 90, i.e. the 90 mm RL90 M95.

As such, there's still the issue of what the Former Yugoslavian one was designated as, and what it is designated now in Serbia (if that model is still in use).