X-2 for EOS50D/40D [Front]
1) Shutter lever
2) Shutter Lock switch
3) Bulkhead for Flash connector
4) Main Dial
5) Mounting hole(M6) for Multi Direct Base II
6) Leak Sensor LED
7) Double Optical D connector
8) Lanyard hook
9) Flash lever
10)Zoom/Focus knob
11)Port mount
12)Compression Latch
X-2 for EOS50D/40D [Rear]
13) Menu button
14) Live View shooting/Print/Share button (50D)
Print/Share button (40D)
15) Mode Dial
16) Viewfinder
17) Flash stow lever
18) Metering mode selection/White balance selection button
19) AF mode selection/Drive mode selection button
20) ISO speed setting/Flash exposure compensation button
21) LCD panel window
22) Quick Control Dial
23) AF point selection/Magnify button
24) AE lock/FE lock button/Index/Reduce button
25) AF start button
26) Setting button
27) Power/Quick Control Dial switch
28) Function button (50D)
Picture Style selection button (40D)
29) Picture Style selection button (50D)
Info/Trimming orientation button (40D)
30) Info/Trimming orientation button (50D)
Jump button (40D)
31) Erase button
32) Playback button
33) LCD Monitor window