Solusi
When [Release shutter without lens] is set to [Enable], Even when no lens is attached to the camera, pressing the shutter button completely will release the shutter.
The procedure for setting the camera to release the shutter without a lens attached is explained below.
1. Set the camera’s power to [ON].
2. Set the mode dial to [

], [

], [

], [

], [

], or [

].
3. Press the [MENU] button to display the menu screen.
4. Press the [

], [

] buttons or turn the [

] dial to select the [

- 1] tab.
Press the [

], [

] buttons or turn the [

] dial to select [C.Fn III: Others] and then press the [

] button.
5. Press the [

], [

] buttons or turn the [

] dial or [

] dial to select [2], and then press the [

] button.
6. Press the [

], [

] buttons or turn the [

] dial to choose [1:Enable], and then press the [

] button.
・At the bottom of the screen, the current Custom Function settings are indicated below the respective function numbers.
7. When you press the [ MENU ] button, the following screen will reappear.
8. Press the [ MENU ] button again to return to the shooting screen.