project an image into a dome, you'll need :
add a sound system to complete the immersive projection.
to broadcast/generate pictures (realtime sky simulator)
to project these pictures
optical lens to perform the correct display onto the surface
principle of LSS is similar to digiscoping. the additionnal optical aims
focus the picture in a small area (typically the size of a postage stamp).
A simple camera lens in front of a beamer can get an image like this:
Bend the beam and re-project the picture using a fisheye lens on the dome.
the projector is absolutly unchanged. This design allows great flexibillity
in the choice of many elements and developements
of bloc with 2 objectives
Choice and meticulous optical alignment is essential for the quality of
the resulting picture. The projection angle can reach between 140 to 180 deg.
The use of argentic photographics lens can give also good results.