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Private company Effissimo overtakes Sony and becomes the largest Tamron shareholder



The Singapore-based activist fund Effissimo Capital Management has quietly become Tamron’s top shareholder, surpassing longtime holder Sony Group Corporation:

According to EDINET filings and Japanese reports, Effissimo Capital Management has increased its stake to 17.38% (29,691,800 shares) as of late March 2026. Sony remains at 15.35% (25,038,000 shares, unchanged from the end of 2025). Tamron’s official IR page still shows the year-end figures, but large-shareholding reports confirm Effissimo has crossed ahead:

Shareholder Stake Shares
Effissimo Capital Management (ECM) 17.38% 29,691,800
Sony Group Corporation 15.35% 25,038,000
Master Trust Bank of Japan (trust) ~10.3%

Effissimo has steadily built its position over the past year (from ~10.8% in late 2025), filing multiple increases. Here is the recent Effissimo accumulation path (approximate, from filings):

  • ~10.76–10.87% (end of 2025)
  • 13–14% range (late 2025/early 2026)
  • 15.30% → 16.34% (March 2026 filings)
  • 17.38% (April 2026 filing)

Effissimo is a Singapore-based activist investor known for its stakes in Japanese companies such as Nissan and Toshiba. Sony’s stake has remained static at the year-end figure. Tamron executed a 4-for-1 stock split in July 2025, but the percentages above reflect the current post-split reality in recent reports.

Sony is still Tamron’s biggest shareholder at 14.8%

The latest financial reports from Nikon, Ricoh, Fujifilm, and Tamron

Tamron Americas enhanced benefits for its 6-year lens warranty

Via dclife

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More Sony FX camera rumors (Sony FX4?)


Sony currently has two new registered products that have not yet been announced:

ILME-FX (modular cinema camera)

  • Fully manufactured in Shanghai (Sony Shanghai factory)
  • Positioned as a pure Cinema Line product with “Shanghai bloodline”
  • Modular camera body
  • More professional layout and button configuration inspired by the VENICE and BURANO cinema cameras
  • Registration numbers: WW679476, WW789166, WW308784
  • Uses NP-SA100 battery
  • Supports 30W PD fast charging

Second new camera:

  • E-mount model (name censored as “*****”)
  • Manufactured in Wuxi or Thailand
  • Registration number: WW721795
  • Uses a standard NP-FZ100 battery




Source: E8M_8888

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Seul contre tous, Peter Parker traverse une crise dans le nouveau trailer de Spider-Man 4

Le tisseur de toile passe à la vitesse supérieure. Après un premier teaser qui avait pulvérisé tous les records d’audience, Marvel Studios et Sony Pictures viennent enfin de mettre en ligne la deuxième bande-annonce officielle de Spider-Man: Brand New Day. Attendu en salles pour le 29 juillet prochain, ce nouvel opus avec Tom Holland promet de plonger Peter Parker dans une détresse absolue.

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Coup de tonnerre à Hollywood : Warner Bros. lâche Mad Max mais son créateur a une solution

Le futur de la franchise la plus explosive du septième art ne s'écrira plus chez Warner Bros. Après quarante ans de collaboration, le studio historique jette l'éponge et refuse de produire Mad Max 6. Une décision radicale qui profite déjà à la concurrence : Amazon, Universal et Sony Pictures se livrent actuellement une bataille féroce pour racheter les droits de la saga.

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Mais où est passé l’épisode 23 ? 24 Jump Street est officiellement en préparation chez Sony

Dix ans après avoir infiltré l'université, le duo le plus déjanté de la police s’apprête à signer un retour fracassant. Sony Pictures vient de lancer officiellement le développement de 24 Jump Street, le troisième volet de la franchise de comédie policière. Jonah Hill et Channing Tatum, ainsi que le légendaire Ice Cube, sont actuellement en négociations très avancées pour reprendre leurs rôles cultes.

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Sony registered a new camera WW308784: could be a new RX or APS-C model


Sony registered a new digital camera with the Indonesian certification body POSTEL, but the entry was later removed. The new WW308784 will be made in China (not Thailand), and DCLife speculates it could be a new RX or APS-C model becuase it was registered as “Digital Camera” rather than “Interchangeable Lens Digital Camera.”


Here is a leaked Sony sensor roadmap from a few months ago – you can see what is expected in 2026 and 2027 :


Somy Indonesia will hold an Alpha event on June 26-28, which is a weekend, so I doubt they will announce a new product:

The “Sony Alpha Event” scheduled for June 26–28 is the Alpha Festival 2026 hosted by Sony Indonesia, taking place at the Sports Hall in Agora Mall, Central Jakarta. It is a multi-day regional community and product showcase rather than a global broadcast.


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20 years of Sony Alpha cameras: from the Alpha 100 to mirrorless leadership in 2026


Exactly 20 years ago today, on June 5, 2006, Sony announced the Alpha 100, the camera that launched the Sony Alpha system. What began as an outsider’s entry into the DSLR market, built on the Konica Minolta A-mount platform acquired by Sony, has evolved into one of the most innovative and influential camera lines in the history of photography and videography.

Two decades later, Sony Alpha stands as a benchmark for hybrid photo/video performance, autofocus intelligence, resolution, and speed. From the groundbreaking in-body stabilization of 2006 to the global-shutter flagship of 2023 and the highest-resolution Alpha camera yet in 2026, the journey has left a significant mark on the industry.

The Early Years (2006–2012)

Sony entered the digital camera arena by acquiring Konica Minolta’s camera division, inheriting the A-mount lens ecosystem. The Alpha 100 (10.2MP APS-C CCD) introduced SteadyShot INSIDE in-body image stabilization- a major first for compatible lenses at the time, along with the BIONZ processor and an accessible price point for enthusiasts.
The system quickly expanded:

  • 2007: Alpha 700 brought a 12.2MP CMOS sensor, better AF, and a magnesium body.
  • 2008: The Alpha 900 became Sony’s first full-frame DSLR, featuring a 24.6MP sensor and the world’s first full-frame in-body stabilization.
  • 2009–2010: Entry-level and mid-range DSLRs proliferated (A200/A300 series, A500/A550). Then came the revolutionary SLT (Single Lens Translucent) cameras: the Alpha 33 and Alpha 55 in 2010, which used a fixed translucent mirror for continuous phase-detection autofocus during both stills and video.

The SLT line peaked with the Alpha 99 (2012), the world’s first full-frame SLT, delivering 24.3MP and full-time phase-detect AF.

The Mirrorless Revolution Begins (2013)

In 2013, Sony fundamentally changed the industry with the launch of the Alpha 7 and Alpha 7R – the first full-frame mirrorless cameras. Compact, lightweight, and featuring hybrid AF and the new E-mount, they proved that professional image quality no longer required a bulky DSLR body. This was the true turning point. The E-mount system offered a shorter flange focal distance, enabling smaller, sharper lenses and paving the way for the vast native FE lens lineup we have today (while still supporting legacy A-mount glass via adapters).

Rapid Innovation and Category Leadership (2014–2022)

Sony didn’t rest. Key milestones followed at an impressive pace:

  • 2014: Alpha 7 II introduced 5-axis in-body stabilization (IBIS) to full-frame mirrorless.
  • 2015: Alpha 7R II brought a 42.4MP back-illuminated sensor and excellent 4K video.
  • 2016: APS-C models like the Alpha 6300 and Alpha 6500 delivered class-leading autofocus speed and point counts.
  • 2017: The Alpha 9 introduced blackout-free 20fps shooting with advanced tracking, redefining action and sports photography.
  • 2019: Alpha 7R IV hit 61 megapixels; real-time Eye AF became a Sony signature.
  • 2020–2021: Alpha 7S III redefined low-light video; the Alpha 1 combined 50MP stills with 8K video and 120 AF/AE calculations per second.
  • 2022: Alpha 7R V introduced AI-based autofocus with subject recognition and improved ergonomics.

Pushing Boundaries: 2023–2026

Sony continued to break new ground:

  • 2023: The Alpha 9 III became the world’s first full-frame global shutter camera (24.6MP), enabling true 120fps blackout-free shooting and pre-capture.
  • 2024-2025: Refinements across the lineup, including the partially stacked sensor in the Alpha 7 V.
  • 2026: The Alpha 7R VI arrives as the highest-resolution Alpha camera to date, further extending Sony’s dominance in the high-megapixel segment:

Why Sony Alpha Matters

Sony didn’t just compete; it often forced the entire industry to accelerate. The shift to mirrorless, the emphasis on hybrid video capabilities, compact pro bodies, advanced real-time AF (Eye AF, animal/bird/vehicle tracking), and stacked/global-shutter sensors all trace their significant momentum back to Sony’s Alpha developments.

Previous coverage of Sony cameras (all 1,633 blog posts) going back to 2009 can be found here.

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