Hi Bako,
As you’ll be aware while Austria is an EU member, it’s not a NATO member, and has a long standing official policy of neutrality.
Having said that, since February last year it has taken in around 90,000 temporarily displaced Ukrainians,
and also provided both humanitarian and non-lethal military assistance to Ukraine, including helmets.
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While I have seen some images of members of the Ukrainian forces with binoculars (mostly low cost generic Porro prism models),
much observation is done from the high vantage point - by the use of drones.
So transmitted opto-electronic live feeds; both during daylight, and at night using thermal cameras
(there's lots of drone videos of both day and night attacks on Russian vehicles and positions).
And until now most Ukrainian regular forces have only had the integral iron sights on their shoulder weapons.
However, they are starting to field both reflex (aka 'red dot') and conventional optical sights; both long standard with Ukrainian Special Forces
(along with thermal and image intensification technology for night use - again there's a lot of videos on-line).
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In terms of Swarovski Optik’s capabilities, besides it’s current optical offerings, it also has the ability to provide a variety of optical
and opto-electronic capabilities under the Swarotec brand, see:
Home
So it's possible that Swarovski may be either directly or indirectly, providing various components or units,
taking into account both their capabilities and any Austrian government restrictions.
John