| Formula Cannon | |
|---|---|
 Nanoha wielding Formula Cannon | |
| Device profile | |
| Master | Nanoha Takamachi |
| Classification | |
| Magic system | Formula-Midchilda |
| Type | EM Equipment |
| Handling | Weapon |
| Production | |
| Japanese name | フォーミュラカノン (Fōmyura Kanon) |
| First app. | Reflection |
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Formula Cannon (フォーミュラカノン Fōmyura Kanon) is the upgraded version of Nanoha Takamachi's Strike Cannon in the movie continuity.
The middle part of the openable barrel turns into black color and extends longer from the original blue tip. Like the signature effect of Accelerator, certain parts of Formula Cannon will glow in Nanoha's pink magic color alongside her hair and Barrier Jacket.
Currently, it is not known whether the upgrade is temporary like a form-change or permanent.
Appearances[]
Alternate continuities[]
Originally an EM Equipment manufactured by Caledfwlch Company, it turns from Strike Cannon into Formula Cannon near the end of Reflection in addition to Nanoha's Barrier Jacket Formula Mode and Fortress System's Mode F, after Nanoha receives and powers up herself with a spare Variant Core from Amitie Florian.
Combining the Eltrian Formula with Nanoha's Midchildan magic system, it uses a unique Formula-Midchilda template (magic circle) when being charged for bombardment.