#retrofocus
Live, measured metrics for the hashtag #retrofocus from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #retrofocus
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-10-15 21:22 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-10-15 21:22 UTCNo related tags with measured usage found for #retrofocus.
Live pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-10-15 21:22 UTCEverything below is measured over the latest 2 public posts (spanning ~54802 hours).
Posting hours (UTC)
Languages: English (2)
Avg boosts / post: 0
Top of the latest posts
Understanding Camera Lens Construction: What Every Photographer Should Know https://petapixel.com/2025/06/05/understanding-camera-lens-construction-what-every-photographer-should-know/ #chromaticaberration #asphericalelement #floatingelemen
Do you use a credit card? Cards like American Express were once almost exclusively for the wealthy. By 1973, a new card was on the horizon. Bankcard would be aimed at ordinary Australians, and ABC’s Jeff Watson wondered if they could really
What “retrofocus” means
WikipediaThe Angénieux retrofocus photographic lens is a wide-angle lens design that uses an inverted telephoto configuration. The popularity of this lens design made the name retrofocus synonymous with this type of lens. The Angénieux retrofocus for still cameras was introduced in France in 1950 by Pierre Angénieux.
“Angénieux retrofocus” on Wikipedia (CC BY-SA) →#retrofocus across platforms
every network with a public tag surfaceFollow #retrofocus straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/retrofocus