Deacades ago Peter Drucker, THE marketing guru wrote a seminal article 'Myopia in Marketing'.
Not going through it (I don't even remember it all) the central question is:
What's your REAL business?
If your real business is information regarding analog photography, then focus on it - and pick the best way to reach your audience.
Could it be that printed paper is not the best (or more convenient) anymore for this audience?