Canon 5DS has a Canon EF lens mount and currently there are 257 native lenses available for this mount.
The latest released lenses that are compatible with the 5DS are the Samyang MF 14mm F2.8 Mk2, the Samyang MF 85mm F1.4 Mk2 and the Irix 45mm F1.4.
Canon 5DS doesn't have a sensor based image stabilization system but
78 of these lenses already comes with optical image stabilization.
Since Canon 5DS has a Full frame sensor, it has a focal length multiplier of 1x so lenses will provide their original focal length on 5DS.
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Canon 5DS Lenses with Image Stabilization
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