Combine functionality and efficiency with the Filter for ATHENA Lenses from NiSi, where there is no visible interference in focus. The ATHENA Prime lenses are designed to minimize focus interference, meaning that regardless of the focal length or aperture, the change in field of view when adjusting focus from the minimum focus distance to infinity is extremely minimal. Filter
Features:Fast T-stop of T 1.9 / T 2.4 for all lenses 25/35/50/85 mm with a maximum aperture of T 1.9 The 14 mm lens has a maximum aperture of T 2.4, and the 18 mm/135 mm lenses have a maximum aperture of T 2.2 The ATHENA lenses feature a soft bokeh effect for beautifully separating the background. 46 mm image circle for full frame coverage with focal lengths ranging from 14 mm ultra-wide to 135 mm Matched prime lenses from 14 to 85 mm, all NiSi Athena Prime lenses are similar in weight All lenses share the same size and filter thread of 77 mm Aperture and focus rings are identical across the range Filter
Specifications: Fast T-stop of T 1.9 / T 2.4 for all lenses 25/35/50/85 mm with a maximum aperture of T 1.9 All lenses share the same size and filter thread of 77 mm The 135 mm lens is larger and does not match the weight
