Prism Double Glass Split Diopter Blur Zoom Center Special Effect Camera Filter | eBay
Deep Focus: Taking a Closer Look at the Use of Split Diopters in Film
Post-Production Tips: How to Create a Split-Field Diopter Effect
A Basic Guide to Diopters | SIGMA Blog
Split Diopter Lens | What It Is & Why You Should Use It | Wedio
Splitting Focus: Secrets of the Split-Field Diopter | PremiumBeat
This is a shot from The Queen's Gambit. How was this clean of a split diopter shot achieved? I can't see a split in the depth of field : r/cinematography
138mm Split Diopter 2 Rental | Scheimpflug
15 Split Diopter shots in Brian De Palma's 'Blow Out' | VashiVisuals Blog