CZ 24 1.8 vs Canon 24L on 5N

I have 24LII and NEX-5N but do not have CZ24. I think 24L is hugh compared to E lens. 24LII is 650 g and length is 87mm while cZ is on 224g and 66mm. I was thinking about putting my 24L and 50L on 5N but giving up because of the weight and size