Sony HDCAM HDW-730 Operation Manual page 336

Disassembling the eyepiece for cleaning
Viewfinder
barrel
6
1
Detach the eyepiece from the viewfinder barrel.
For the detaching procedure, see the following "5-2-4 Detaching the
Eyepiece" on page 5-12.
2
Remove the eyecup from the eyecup holder.
3
Remove the protecting filter, together with the packing rig, from
inside the eyecup folder.
4
Detach the protecting filter from the packing ring.
6-12
Chapter 6 Maintenance
Eyecup
Protecting
holder
filter
Packing
Eyecup
ring