Ive been told there are
Ive been told there are two parts to good photography:
1. Mastering the technical side of the equipment you use
2. Mastering photography techniques
These videos definitely accomplish number 1. I watched them over and over. Listened to them in the car while driving. Just letting is soak into my brain over time. When it came time to learn how to do photography, the instructor was amazed that I knew the equipment so well. I definitely recommend this video if you have the OM 1 Mark II.