There are many weapon systems in EVE. The main weapons types all have two variants: Close Range & Long Range. As I said in channel last night, I'll pop this post up explaining the type's. I shall stick to Tech 1 for now as Tech 2 gets slightly different.
Hybrid Weapons
Hybrid's have 1 close range type of guns and 1 long range type. However within that, they have ammunition types that dictate range again for them at Tech 1.
Long Range:
Railguns
Close Range:
Blasters
Hybrid Tech 1 Ammunition:
High Damage, Low Range
Antimatter
Plutonium
Uranium
Thorium
Lead
Iridium
Tungsten
Iron
High Range, Low Damage
Missiles, Lasers & Projectiles in the next posts.