Olympus makes the FL-LM3. It's awesome - tiny, weather sealed and powerful enough for most on-camera uses, including bounce flash provided you're not trying to light a massive room. It's also very useful as an optical trigger.
shig
joined 2 years ago
Check out this video, they explain how air can move into and out of an externally zooming lens with weather sealing at 10:30:
Raws don't look a certain way - they're just sensor data. Any time you're looking at a picture, you're looking at raw data that has gone through extensive processing e.g. demosaicing, mapping from 12-14 bit down to 8 bit etc