How do I get any additional focus lens?
I went to the market to see if I could get some focus lens. I discovered that there is a greater version and it requires 4 (four) regular lenses.
The Warframe's wikia says nothing about obtaining it besides quest completion.
Solution 1:
From this Steam post there appear to be three good ways to obtains lenses:
- Sorties
- Trade
- Buying them from the market
They mention that you can purchase even better lenses from the market as well.
The Wiki also states:
Currently, Focus Lenses can be acquired through completing Sortie missions, and can be traded between players, while Greater Lenses can be crafted with a blueprint, or bought with Platinum from the market.
This is essentially the same thing the players talked about in the Steam post with the addition of crafting them.
Solution 2:
With the current warframe build, focus lenses can be obtained from:
- Trade with other players (including regular lenses, greater lenses, and eidolon lenses)
- Market purchase (Greater lenses or Greater lens blueprints only)
- Ostron Bounties (regular lenses only)
For the lenses obtained through Ostron bounties, the type of lenses are random and changes when normal bounty rotation happens.
http://warframe.wikia.com/wiki/Focus_Lens
The wiki fully details where/how you can obtain lenses and blueprints, and offers a helpful guide for acquiring focus as well.
Solution 3:
[Regular] lenses can be acquired as rewards from Bounties (level 20-40 and 30-50) offered by Konzu in Cetus on the Plains of Eidolon. Alternatively, they can also be traded between players.
Source