Samyang Xeen lenses are full-frame cine lenses with a common front diameter and uniform positions of the focus and aperture rings across all lenses in the series.
Samyang Xeen lenses are specifically built for cine and feature dual-sided focus and aperture (iris) scales. Each Xeen lens has a full-frame imaging circle and can be used with 35mm full-frame as well as APS-C sensor cameras (with a narrower field of view). Also, every lens in the series has a common 114mm front diameter making lens changes easy and quick. Xeen lenses are internally focusing, thereby making rigging easier and reducing focus breathing. Each lens also has the focus and aperture rings in the same position further simplifying lens changes.
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