Back when I pruned all the time these shears under the Sanvik-Pradine P-51 name were the best I found.
https://www.bahco.com/en/p/super-light-hedge-shears/80-d2-dd-29-20-40-13-cd-85-e7-f2-f1-b5-06-81-41/
Now it seems there are really good options . Niwaki Okatsune topping most list.
https://www.niwaki.com/store/okatsune-shears/
https://www.niwaki.com/store/niwaki-topiary-shears/
Stihl has a few entries , the heavy duty one look similar to Okatsune and the...
Manual Hedge shear shootout.
https://www.bahco.com/en/p/super-light-hedge-shears/80-d2-dd-29-20-40-13-cd-85-e7-f2-f1-b5-06-81-41/
Now it seems there are really good options . Niwaki Okatsune topping most list.
https://www.niwaki.com/store/okatsune-shears/
https://www.niwaki.com/store/niwaki-topiary-shears/
Stihl has a few entries , the heavy duty one look similar to Okatsune and the...
Manual Hedge shear shootout.