Some aggressive negotiations resulted in a new level of cooperation between my telephoto lens and camera body. I figured that the lens contacts may have oxidised due to Wellington's bracing salt air - so I roughed them up a bit, and it seems to have improved their conductivity. A short test was required during the afternoon:
1 - The Niwa boat's anchor was looking a bit used (larger 1024px version if you really, really, really have to see every bit of rust).
2 - A Wednesday night sailing three-some looking a bit short on the wind department
3 - This pigeon stopped by, glared at me, and flew off