Originally posted by OTH But there is something clever if you think vice versa. They could design a camera without back LCD and implementing a smartphone connection that use a smartphone as back LCD instead. That would have a lot of advantages:
a) the camera can be designed much more compact
b) the power consumption of the camera is reduced
c) no scratched back LCD, that usually happens after a couple of time in use !
d) the camera can be sold cheaper, because the costs of the back LCD don't exist
e) the smartphone can be placed free in any position, even far away of the positioned camera
f) they can implement the "touch-pad" function very easy, by using the touch of the smartphone. I'm really no friend of a touch-pad on a camera, because it's just a question of time that the touch gets scatches as an ordinary LCD too. But a scratch at a touch display means immediately that it is broken and must be replaced with a lot of costs even if you don't need it.
P.S.:
g) you could also use a tablet as display, that gives much better impression of the picture and would allow you to edit Raw-Pictures with software at site
They have a patent about that, a camera with a smartphone holder instead of a back LCD.
However, on a serious camera? No way:
- you want to have the LCD always available, not in your pocket
- you don't want to depend on your smartphone's battery (it's enough to have to manage camera's)
- you want a self contained solution. There's no guarantee you'd have a suitable smartphone.
- having to hold the smartphone with one hand, that's a tripod-only solution. Just try shooting movies...
- touchscreens might not work if its raining, if you wear gloves etc. The smartphone itself might not survive rain unless it's waterproof.
Summarizing, it's a bad idea - thus, it's discussed at great lengths.