Bela Tarr Curzon Collection

Curzon Blu-ray (SD source)

Bela Tarr Curzon Collection

Curzon Blu-ray (SD Source)

Bela Tarr Curzon Collection or Arbelos Blu-ray

Curzon 4K Blu-ray August

Curzon Blu-ray ~= Arbelos Blu-ray

There's also a France Carlotta boxset release (no ENG subs) but screenshots not available.

Arbelos Blu-ray

Curzon 4K Blu-ray August

Carlotta France Blu-ray slightly better than Arbelos US Blu-ray, both are FiM-encodes with tradeoffs. Carlotta is best in dark scenes.

Curzon UK Blu-ray has squished AR
Bela Tarr Curzon Collection uses the same bad Curzon Blu-ray