Ultravision

Ultravision gives the Super Monkey camo detection, +3 range, +1 damage to Camo Bloons and a Camo priority targeting option. It requires Knockback, so the full 0-0-2 cost is $4,200, but the upgrade itself is cheap at $1,200.

When to buy it

Get it when the Super needs to see camo and no other detection covers it: Sun Avatar 3-0-2, Tech Terror 0-4-2 and Robo 0-3-2 are the common builds. The extra damage against camo is noticeable on DDTs that have not been decamoed and on camo-heavy rounds. Against the Phayze boss it is the required crosspath.

It is also the road to Dark Knight, so every bottom path Super passes through it. For Sun Temples, Ultravision gives camo to the Temple's extra attacks as well.

Is it worth it?

Usually yes on late-game Supers, because it saves you from relying on a single Radar Scanner Village. For an early camo answer it is too expensive; a cheaper tower with detection does the job better.