What is that ball on the front of the Su-57?

Isn't that ball very unstealthy?

Attached: Sukhoi Su-57 (15).jpg (1280x720, 81K)

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IR sensor

It is, but it’s the best way they could find to mount their IRST. I’m kinda surprised they didn’t try to put it in a stealthier housing like the EOTS on the F-35.

Luneberg lens.

Wrong.

It's the compass

Attached: 85r.jpg (459x384, 33K)

Its where he keeps his lunch

It's not really stealth to begin with, so it's not like that matters.

>It's not really stealth to begin with, so it's not like that matters.
Its not stealth at all....

Quantum radar