Myxomycete Arcyria denudata
This was on a mossy piece of very rotten wood in woodland at The Chase Nature Reserve.
The FOV of these is mostly ca 5mm wide.
When I found these colonies they were white, shiny suasages. A day later, they were this typical pink colour of the species.
Olympus EM-1 (manual mode), Laowa 25mm f2.8 2.5x-5x ultra-macro at f11, twin TTL flash hand-held with some support.
The stereos are crosseye.