How to get Protea Prime Neuroptics Blueprint in Warframe?

Protea Prime Neuroptics Blueprint is an item dropped from Void relics.
You can find the list of relics below, and click on the links to see how to get them.

Relics dropping Protea Prime Neuroptics Blueprint

• Vanguard E1 (Common) - Vaulted
• Lith D7 (Uncommon) - Vaulted
• Lith O4 (Uncommon) - Vaulted
• Meso T8 (Uncommon) - Vaulted
• Neo D9 (Uncommon) - Vaulted
• Neo P6 (Uncommon) - Vaulted
• Axi S16 (Uncommon) - Vaulted
• Axi T12 (Uncommon) - Vaulted