The new Mark II (Mk 2) versions feature revised placement of the focus and aperture gearing, so all newest lenses have the gearing in the same place for convenience on rigs and professional follow focus systems.
Samyang…
Low Colour Cast, Low Reflection
Provide 15-stop light reduction
No Vignetting
High Definition
ARĀ Coating on Both Sides, Water & Oil Repellent
Environmental Optical Lens glass (H-K9L)
…
Ultra Low Color Cast, Ultra Low Reflection
Provide 3-stop graduated light reduction
No Vignetting
High Definition
Nano Coating on Both Sides, Water & Oil Repellent
Environmental Optical Lens glass(H-K9L)
…