We recommend attaching the camera on the phototube. For microscopes without phototube, we also offer LM digital adapter solutions that work on eyepiece tubes (30 mm or 23.2 mm internal diameter).
Sony a7III Alpha Mirrorless Digital Camera (a7 III Body) ILCE-7M3
Sony unveils new entry-level a7 IV full-frame camera - Videomaker
The Best Bang for Your Buck Full Frame Cameras for Under Two Grand - The Phoblographer
Sony Alpha 1 review: everything nice at an expensive price - The Verge
Distinguished by its updated sensor design, the Sony a7 III is a well-rounded camera suitable for both photo and video applications in a variety of working situations. Refined for improved speed and low-light performance, a new 24.2MP Exmor R BSI CMOS sensor and BIONZ X processor benefit image quality, video capabilities, and AF performance. The a7 III also sports a revised body design, with a new touchscreen LCD, improved EVF, larger battery, and dual memory card slots.
Sony Alpha A7 III Mirrorless Digital Camera with 28-70mm Lens, Black
Sony a7 III Mirrorless Full Frame Camera with 28-70mm Lens ILCE-7M3K/B Filmmaker's Bundle Including DJI RS 3 Combo Gimbal Stabilizer Kit + Deco Gear Photography Backpack + 64GB Card & Software
Advanced 24.2MP Full-frame Image Sensor w/ 1.8X readout speed Advanced 24.2MP Back-Illuminated 35mm Full-frame Image Sensor
Sony a7 III Full-frame Camera with 28-70mm Lens - Black ILCE7M3K/B
Sony Alpha a7 III Full Frame Mirrorless Digital Camera Body 24MP - ILCE7M3/B Product Description Distinguished by its updated sensor design, the Alpha
Sony Alpha a7 III Full Frame Mirrorless Digital Camera Body 24MP - ILCE7M3/B 663701849479
Bundle Includes: Sony Alpha a7 III Full Frame Mirrorless Digital Camera (Body Only), Shotgun Video Microphone Professional On Camera Mic, NP-FZ100
Sony Alpha a7 III Mirrorless Digital Camera (Body Only) Bundle with 60-Inch Tripod and Accessories (7 Items)