EF 17-35mm f/2.8 L USM marking? I have two questions. What is the white marking for? What are the filters called that you can insert within the white marking? submitted by /u/rick_jablonski

Twitter/X tool for scheduling threads AND marking media as sensitive I’m looking for a way to schedule Twitter/X threads and also be able to mark media in the tweets as sensitive. X Pro allows for scheduling and has the sensitive media marking feature (if you aren’t familiar with it, when posting images/videos on Twitter you can click the “Edit” button on the top left and you can mark it for sensitive/nudity/viol…