We have tested as many lenses as we can get our hands on. Currently we have successfully tested with the following lenses:

ANAMORPHIC:
Atlas Mercury 1.5x Full Frame Primes
Atlas Orion 2x Primes
Lomo 50mm and 75mm Squarefront Primes (35mm not compatible currently)
Cooke 2x Primes
Blazar Remus

SPHERICAL:
SIgma Art Full Frame Primes
DZO Vespid Primes
Tokina Vista Primes
Zeiss CP2 & 3 Primes
Laowa OOOM Zoom
Vintage Helios Primes
Vintage MIR Primes

This list will be updated as more lenses are tested and confirmed

Known Incompatible Lenses:
Nisi Athena Primes
Laowa Nanomorphs
GreatJoy Anamorphic Lenses

WHAT MOUNTS WILL BE AVAILABLE FOR THE VELOSCURA ONE PL MOUNT FOCAL REDUCER

We currently have a fully functional RF mount with more mounts planned in the future.

We are currently working on:

E-mount
M4/3rds mount
Fuji-X mount.
PL to PL mount