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 10 months 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