first grow from seed lemon good or bad

how much do you think i will yield off this plant vegged for 2 month under 600 hps been flowering for 4 weeks 3 days i use canna coco a b , super thrive , carboload , canna boost pruned bottom and topped once at bout 4 weeks into veg just wondering wether the long veg done it justice. / pk it now

I'd say at least 5 ounce