– 4 wheels, each containing 3 filters &
1 empty space
– 4 fixed positions per wheel
– Non-parallel filters (inclined by 4°)
– C-mount threads on both ends
– Connecting adapters available
– Stray light fully eliminated
– Variable height of the optical axis
– Three mounting holes
– Motorised Closed Variable Wheel Attenuator
– Motorized Variable Wheel Attenuator
– Open Variable Wheel Attenuator