Elite Dangerous Concord Cannon, Worth It?

First two clips were with 3 Overcharged/Oversized, 2 Overcharged/High Yield Shell, plus a massive oversight from me, (Forgot to install Shield Boosters). With the last clip, switched to, 5 Overcharged/Oversized Mods. As for worth it? I really don't know, I have no standard Cannons to compare them with, not my prefered type of weapon, but I do quite like them, so will use them on something, eventually. 07 CMDR's