What makes a good Amp?

[Arizoko]

Never really done any fighting as the Operator, what should I be focusing on? Burst DPS so I can get back in the Warframe quicker? Sustained DPS for whittling down the big Eidolons? Something else altogether?

Not asking for specific builds/Amps per se, just a general gist of what's good and what's not.

[Drachnyn]

Amp meta looks for high base damage and high crit stats so you can get the maximum out of your void strike stacks. Only the Scaffold really matters currently.

[German]

You only use secondary fire for eidolon. So primary can be whatever. There are no amp slots so just make one for normal enemies (puncture damage for much more damage vs armor) and one for eidolon. Both cases crit of course.

[--K--Sharkfin]

When we talk about amp builds, we usually refer to x-y-z in digits. Where x is prism, y is scaffold and z is brace, and number is the tier.
1-4 is refers to rank1~4 Quill standing, and 5-7 means rank2~4 vox standing.
For example 223 is Shwaak Prism + Shraksun Scaffold + Lohrin Brace

For eidolon hunt, 177 is the meta for now, before you have access to Vox rank4, another meta is 223.

The reason is to boost the highest damage + crit chance per single shot so you won't waste your void strike charges (+X% damage per second in void mod for the next 8 hits).

Prism is not a big deal and you could use whatever you like.

Having said that, 1xx is for picking up the remaining shield quick in case x77 didn't bring down a shield in one-shot.