Samyang's cinema fifty for Canon — the VDSLR 50mm T1.5 for APS-C video production.
The Samyang VDSLR 50mm T1.5 AS UMC CS is a cinema prime from Samyang's VDSLR line for APS-C Canon cameras. The CS (Crop Sensor) designation confirms this is an APS-C-optimised lens, classifying it as Canon EF-S by convention. The T1.5 transmission aperture, AS aspherical, and UMC multi-coating are the optical specifications.
The lens delivers 50mm (80mm equivalent on APS-C) at T1.5 transmission aperture with AS aspherical elements, UMC coating, de-clicked aperture ring for smooth video exposure pulls, geared focus ring, and Canon EF-S APS-C image circle.
The CS designation confirms this is an APS-C-only lens — the image circle does not cover full-frame Canon EF bodies. The 80mm APS-C equivalent provides a classic short-telephoto portrait perspective for documentary and narrative filmmaking on Canon APS-C DSLRs.
Test de-clicked aperture ring operation. Check focus ring gear smoothness. Inspect UMC coating. Confirm CS APS-C image circle — this is a Canon EF-S classification lens that will cause dark corners on full-frame Canon bodies.