Quote Originally Posted by CAPTAIN SPAGNOULO View Post
" Hunter's ROF is 1 so it can only fire once a turn"-I thought spending a pt. of focus would allow me to make an additional attack or buff the to hit roll or buff the damage roll.
You only get to shoot a ranged weapon once per turn, but you can buy extra attacks with a ranged weapon until you've fired it a number of times equal to its RoF.

So, with the Hunter's RoF 1, you only get that first shot and can't buy any more.
Look at the Charger, it has RoF 2. That means it gets to fire the first shot (for "free") and then can buy a second shot for a focus.

Long Gunners are another good example. They have RoF 2 guns, but can't spend focus to get more shots... but they have an ability that allows them to make an additional attack.

Be on the lookout for spells or abilities that circumvent the RoF rules... those are usually really good because RoF balances out powerful ranged weapons by limiting the amount they can be used.
eHaley's Temporal Acceleration spell and Rinholdt's Reload ability are two things that spring to mind that specifically state that they ignore a weapon's RoF when making the extra attacks that they generate.