Opposition communications spokesman Malcolm Turnbull is opposed to putting fibre-optic cables all the way into households - but that is what he is investing in.

It was revealed this week that Mr Turnbull owns shares in France Telecom, which plans to connect 60 per cent of French households to fibre by 2020.

French fancy ...Malcolm Turnbull in Parliament. Credit:Alex Ellinghausen

Communications Minister Stephen Conroy leapt on this as proof the opposition spokesman secretly supports fibre-to-the-home technology, despite calling for the National Broadband Network to be changed to a fibre-to-the-node model.

"This is rank hypocrisy by Mr Turnbull,'' Senator Conroy said.