Mobile camera phone with adjustable focal length

A portable terminal with camera, comprising:

• a first housing and a second housing which are movably connected to each other;
• an image pickup device which is arranged in one of the first housing and the second housing;
• and
• a first refractive conversion lens which is arranged in the other of the first housing and the second housing,
• wherein in a first state where the first housing and the second housing are laid on each other, the image pickup device and the refractive conversion lens have an identical optical axis so that a focal length of the image pickup device is converted from a focal length in a second state where the first housing and the second housing are arranged to each other differently than the first state,
• said portable terminal further comprising a second refractive conversion lens, and means for replacing said first refractive conversion lens with said second refractive conversion lens,
• wherein said first and second refractive conversion lenses are mounted on a holder in the other of the first housing and the second housing, and
• wherein said second refractive conversion lens is exchangeable with said first refractive conversion lens by a sliding operation of said holder.