The title of this post? That is a warning, the kind of warning you get on the flight deck as you are about to fly into a mountainside.
It is also the kind of warning I feel internally when I see something like this:
I mean… digital filter? Like photons care? Yes, I can imagine scenarios where a sensor needs a different filter from film, but not readily, and this ain’t one of them. This is more a marketing ploy to get Uncle Fred to hand over more money to replace his “analog filters” with digital equivalents, I think. So while having some lens filters for protection is a good idea in case it rains, do buy good filters, but don’t worry about having them always on every lens. I personally never use them.
Instead, spend your good money on a modern camera, 3 years old or younger, and on lenses.
And on my newest ebook, and do use the discount code, see yesterday’s post. Click on the image below to also see a few sample pages, plus the table of contents.