Hello, i got an iBook G4 and got a Apple Studio Display with ADC from a friend, what converters do i need for connecting the screen to the mini VGA port on the laptop? or should i buy another screen and a VGA to Mini VGA converter instead?

The only adapter which will do what you want is a Dr Bott DVIator - which is an active adapter with a power supply, expensive as all heck, and not even that easy to find. You will also need a miniDVI to DVI adapter.

It would be far cheaper, quicker and easier to just get another monitor.

Not possible without a bunch of converters. ADC Studio Display is DVI-only (digital display,) and the iBook G4 is VGA-only (analog display.)

You would first need the DVIator (or the later Apple equivalent - expect about $100,) to both power the display and convert the ADC connector to a DVI connector.

Then you would need an *ACTIVE* VGA-to-DVI converter, which run about $300.

Finally, you would need the mini VGA-to-VGA adapter, to connect to your iBook.

Not worth it.

(Also, this only applies to the flat-panel ADC Studio Displays; the CRT model cannot be used with *ANYTHING* other than a native ADC computer.)