・When installing the lens to RED DSMC2, you need a mount adapter exclusively made for EF-Mount and please take off the filter that front of the sensor. Entaniya Fisheye HAL 250 has a filter that similar to the RED filter.
・ When installing the lens to Blackmagic URSA mini 4.6K, you have to take off the IR Cut Filter that’s in the way of the sensor that EF-Mount uses.
Canon EF-Mount adapter.
This mount adapter is only available for HAL250 6.0.
Enatniya EF-Mount Adapter for RED
Entaniya OLPF for RED DSMC2
We developed OLPF for RED MONSTRO and RED HELIUM/GEMINI