Hello all! I plan on signing a job contract hopefully in the coming weeks so I would like to update my long overdue camera this summer. I shoot wedding photography as a second shooter and use my T3 and the main photographers old Mark I. I would like to upgrade my T3, but I'm not sure if I can invest in full frame because that would require me buying all new lenses and that'll be a little too expensive for me. I was looking at maybe the T4 line up to the T6 line. Something that will approach the Mark I quality, but without full frame. Does anyone have any suggestions on a Canon camera that might be what I am looking for?