We have a few tips we can offer guests for Aurora photography and for camera maintenance. Please understand that these tips are general, not specific to the exact conditions that you may experience on your trip with us. Your guide is a skilled photographer with plenty of experience capturing the Aurora and will be able to offer more assistance and helpful advice specific to your needs and your camera.
We suggest that to avoid fogging on the lens; keep your camera in it's bag until you are ready to take it out and shoot, then put it away when finished. This protects the camera and battery from cold air and moisture. We would always suggest that you have a silica pack or similar inside your camera bag at all times to absorb moisture inside.
If the lens does begin to fog you will need to just wait it out. It will unfog by itself. Our experienced guides may have so more advice on this but generally they are dealing with the same problem.