Of course it can. But the difference is it cannot kill heavies which are common at that br.
is3, is4m, is6, t10a. Anyways being able to pen things through the engine deck doesn’t matter that much (especially when there is a lot of tanks I didn’t list that you would have to get fully behind to pen them).
No? Im talking about the wiesels gun specifically. Look at a is4m and tell me a spot I can pen it.
The luchs is literally better. Higher fire rate, thermals, more crew, more armor (you are MG proof), faster turret rotation, better mobility, better gun depression
sure you got 20mm less pen but you can only kill light and aa in both so it doesnt matter