Anamorphic lens / scope (2.35/2.39:1)
An external anamorphic lens, plus vertical stretch processing, fills a 2.39:1 screen without black bars. Alternatives are zoom-based setups with lens memory. ⚖ processing.anamorphic_modes
More in Optics & installation (the "will it fit my room?" domain)
Throw ratioThrow distanceOptical zoom ratioLens shiftOffset (fixed)Keystone correction ⚠Auto keystone / auto focus / screen fit / obstacle avoidance / eye protectionLens memoryMotorised lensInterchangeable lens / lens mountAperture (f-number) / focal lengthImage size rangeAspect ratio (native)Mounting orientationsEdge blending / warping / stacking