xvii

Technical Notes 369
Compatible Lenses ....................................................................... ....370
Optional Flash Units (Speedlights).............................................. 377
Other Accessories............................................. .................................385
Caring for the Camera............................................................ ..........391
Storage..............................................................................................391
Cleaning...........................................................................................391
The Low-Pass Filter.......................................................................392
“Clean Now”...............................................................................392
“Clean at Startup/Shutdown”..............................................393
Manual Cleaning.......................................................................395
Caring for the Camera and Battery: Cautions.......................... 398
Troubleshooting............................ .............................................. ......402
Error Messages........ ......................................................................... ..409
Appendix...................................... ............................................ ............417
Specifications................................................. .....................................428
Index.................................................................................. .....................438