Eidolon Lenses convert 4.25% of excess Affinity into Focus points, ~41.7% more than a Greater Focus Lens and 112.5% more than a regular Focus lens. They can be crafted from a blueprint or purchased for  60,000 from Bird 3 in the Sanctum Anatomica. Their blueprints can be obtained from Cetus Bounties, or traded between players. Crafted Eidolon Lenses that have been attributed to a school can be traded between players. Eidolon Lenses require a Greater Focus Lens from any of the 5 Focus schools to craft. Manufacturing Requirements 25,000 1 5 Time: 24 hrs Rush:  10  Market Price: 80  Blueprints Price: N/A Drop Locations[] Mission Drop Tables Mission Type Source RotationsorDrop Table Chance[1] Quantity[2] Avg. per roll[3] Star Chart Nodes Cetus Bounty Cetus Bounty Lvl 40-60 Final Stage A 7.14% 1 0.0714 Plains of Eidolon/Cetus, Earth; talk to Konzu Cetus Bounty Cetus Bounty Lvl 40-60 Stage 4 B 4.73% 1 0.0473 Plains of Eidolon/Cetus, Earth; talk to Konzu Cetus Bounty Cetus Bounty Lvl 40-60 Stage 4 A 4.73% 1 0.0473 Plains of Eidolon/Cetus, Earth; talk to Konzu Cetus Bounty Cetus Bounty Lvl 40-60 Stage 4 C 4.73% 1 0.0473 Plains of Eidolon/Cetus, Earth; talk to Konzu Cetus Bounty Steel Path Cetus Bounty Lvl 100-100 Final Stage A 7.14% 1 0.0714 Plains of Eidolon/Cetus, Earth; talk to Konzu Cetus Bounty Steel Path Cetus Bounty Lvl 100-100 Final Stage B 7.14% 1 0.0714 Plains of Eidolon/Cetus, Earth; talk to Konzu Cetus Bounty Steel Path Cetus Bounty Lvl 100-100 Final Stage C 7.14% 1 0.0714 Plains of Eidolon/Cetus, Earth; talk to Konzu Cetus Bounty Steel Path Cetus Bounty Lvl 100-100 Stage 4 of 5 B 4.73% 1 0.0473 Plains of Eidolon/Cetus, Earth; talk to Konzu Cetus Bounty Cetus Bounty Lvl 40-60 Final Stage B 7.14% 1 0.0714 Plains of Eidolon/Cetus, Earth; talk to Konzu Cetus Bounty Steel Path Cetus Bounty Lvl 100-100 Stage 4 of 5 C 4.73% 1 0.0473 Plains of Eidolon/Cetus, Earth; talk to Konzu Cetus Bounty Cetus Bounty Lvl 40-60 Final Stage C 7.14% 1 0.0714 Plains of Eidolon/Cetus, Earth; talk to Konzu Cetus Bounty Steel Path Cetus Bounty Lvl 100-100 Stage 4 of 5 A 4.73% 1 0.0473 Plains of Eidolon/Cetus, Earth; talk to Konzu Survival Deimos Entrati Survival C 30% 1 0.3 Persto, Deimos Enemy Drop Tables Enemy Drop Table Chance[4] Item Chance[5] Chance[6] Expected Kills[7] Quantity[8] Avg. per roll attempt[9] Sourced from the official drop table repository. See Module:DropTables/data to edit on the wiki. Blueprints Requiring Eidolon Lens[] Blueprint Type Quantity Lua Lens Enhancement 1 Total 1 Last updated: Hotfix 29.9.1 (2021-02-24) Patch History[] Hotfix 35.0.7 (2024-01-09) Fixed individual Focus School Eidolon Lens Blueprints being rewarded in Rotation C of the Survival, Persto mission instead of the intended Eidolon Lens Blueprint. Each individual Lens Blueprint had a drop rate of 10% for each type, so we have adjusted the drop tables to compensate for this change by increasing the drop rate for the Eidolon Lens Blueprint and the Mandonel Barrel and Receiver. More details in the public drop tables. Update 34.0 (2023-10-18) Focus Lens Conversion Buff (Eidolon Lens: 2.25 > 4.25%). Update 25.7 (2019-08-29) NEW REWARD: LUA LENS BLUEPRINT A new Focus Lens found only on Lua Disruption which allows you even greater Focus conversion! General Additions: Eidolon Lenses have been added to the Market! Update 22.0 (2017-10-12) Introduction of Focus 2.0. Added Eidolon lenses. Daily limit of focus gain increased to 250,000 from 100,000. Introduced. CollapseEquipment Superchargers  Exilus Warframe Adapter •  Exilus Weapon Adapter •  Primary Arcane Adapter •  Secondary Arcane Adapter •  Melee Arcane Adapter •  Amp Arcane AdapterFocus Lens ( Focus Lens,  Greater Focus Lens,  Eidolon Lens,  Lua Lens)  Forma ( Aura Forma,  Stance Forma,  Umbra Forma) •  Gravimag •  Orokin Catalyst •  Orokin Reactor Keys / Navigation  Abyssal Beacon •  Animo Nav Beacon •  Baro Void-Signal •  Clan Key •  Enter Nihil's Oubliette •  Grendel Chassis Locator •  Grendel Neuroptics Locator •  Grendel Systems Locator •  Judgement Points •  Mutalist Alad V Assassinate •  Simulacrum Access Key Riven Tools  Riven Transmuter •  Veiled Riven Cipher Extractors (Prime) Titan Extractor • (Prime) Distilling Extractor Boosters  Affinity Booster •  Credit Booster •  Mod Drop Chance Booster •  Resource Booster •  Resource Drop Chance Booster Others  Rush Repair Drone ↑ Chance to roll item within drop table ↑ Amount rewarded on successful roll ↑ (Quantity × Chance) ↑ Chance to roll drop table ↑ Chance to roll item within drop table ↑ (Drop Table Chance × Item Chance) ↑ (1 / Chance), see WARFRAME Wiki:Expected & Nearly Guaranteed Numbers for more details ↑ Amount rewarded on successful roll ↑ (Quantity × Chance), average item quantity on a roll attempt (successful or not)