#tessar

Live, measured metrics for the hashtag #tessar from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #tessar

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.

$520.70/ year · 6-character #name
Claim #tessar — $520.70/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-10-16 06:57 UTC
0
10-10
0
10-11
0
10-12
0
10-13
0
10-14
0
10-15
0
10-16

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-10-16 06:57 UTC
#tessaross
1 uses · 1 accounts / 7d
#TessaRoseJackson
0 uses · 0 accounts / 7d
#tessaroos
0 uses · 0 accounts / 7d
#Tessares
0 uses · 0 accounts / 7d
#tessarion
0 uses · 0 accounts / 7d
#tessaransford
0 uses · 0 accounts / 7d
#tessar50mmf2_8
0 uses · 0 accounts / 7d
#Tessar50mmf28
0 uses · 0 accounts / 7d
#CarlZeissVarioTessar
0 uses · 0 accounts / 7d
#tessariberafernandez
0 uses · 0 accounts / 7d
#tessarac
0 uses · 0 accounts / 7d
#tessaract
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-10-16 06:57 UTC

Everything below is measured over the latest 40 public posts (spanning ~12317 hours).

Posting hours (UTC) — busiest: 06:00

00:0012:0023:00

Languages: English (13)

Avg boosts / post: 0.4

Top of the latest posts

  • Analoge Bilder - Der #Hafen in #Münster Hasselblad 500 c/m mit Carl Zeiss Objektiv Kodak Gold 200 September 2024 #vintage #retro #classic #oldschool #Oldtimer #Kamera #analog #analogfoto #photography #Objetiv #analogephotography #Rolleiflex

    Dirk St.@[email protected]♥ 1↻ 02024-11-10 06:05 UTCView post →

  • Stare long at the seagull, become mesmerised, go mad... Olympus OM-D E-M10 | Carl Zeiss Jena Tessar 50mm f/2.8 #SilentSunday #MinimalistPhotography #BirdsOfMastodon #VintageLens #Tessar

    Pirate Badshah@[email protected]♥ 0↻ 12026-04-05 11:00 UTCView post →

  • Fingal county council's flower boxes are providing me with ample subjects, particularly taken with this tulip. Olympus OM-D E-M10 | Carl Zeiss Jena Tessar 50mm f/2.8 #SilentSunday #BloomScrolling #Florespondence #VintageLens #Tessar #Fingal

    Pirate Badshah@[email protected]♥ 0↻ 02026-03-29 11:00 UTCView post →

What “tessar” means

Wikipedia

The Tessar is a photographic lens design conceived by the German physicist Dr. Paul Rudolph in 1902 while he worked at the Zeiss optical company and patented by Zeiss in Germany; the lens type is usually known as the Zeiss Tessar. Since its introduction, millions of Tessar and Tessar-derived lenses have been manufactured by Zeiss and other manufacturers, and are still produced as excellent intermediate aperture lenses.

“Tessar” on Wikipedia (CC BY-SA) →

#tessar across platforms

every network with a public tag surface

Follow #tessar 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.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

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/tessar