Ideal firing range with 'Conquistadors' (Spanish U.U.)?

hey guys,

I started aoe a few months ago as huns. I then realized im a defensive player so have been playing spanish to better suit my playstyle but still have a CA-type unit (that attracted me to the huns initally).

What do you think the ideal firing distance is with fully upgraded conquistadors vs castle age ones with 0 buffs? they are more accurate at close range, and tend to miss more at further distances (are the blacksmith's range buffs still important? what about the accuracy buff from archery range? the university buff against moving targets?)

i played an interesting match vs a mongol player-- we both massed Conquistadors and Mangudai with some trash and seige. My conqs destroyed his mangudai because he did no micro, so i just rode right up to them and fired away point blank range-- retaining over half my unique units in that fight.