I found the lenses confusing at first. Examining them, I couldn't see clear indications of how they fit. The video seemed to make it easy, which made me feel like I was seriously missing something. But it was all because it was black on black, and the feature that held the lenses in place was tiny and subtle, merely the smallest of lips around the settings of the lenses already in place. Once I understood, I couldn't visualise how they fit and fit them by touch.
With the new sharpness the lens...