Covers Full Frame Format, T14 to T40 Aperture Range, 7 Iris Blades, 0.8" Minimum Focus Distance, 2x Magnification, Interchangeable 90 and 0° Lens Tubes. The Venus Optics LAOWA 24mm T14-40 Full Frame 2x PeriProbe Cine Lens captures sharp magnified shots with full frame camera sensors using their Nikon Z-mount and has a focal length of 24mm. Its periscope-style lens tube with interchangeable ends features an aperture range of T14 to T40 for a deep or shallow depth of field. Use it underwater or in tight spaces thanks to its waterproof front barrel and slim profile.A lens construction of 28 elements in 19 groups creates a smooth circular bokeh with minimal focus breathing. The lens can rotate 360? along the axis to unlock the orientation ring and create spinning shots. Both the focus and iris rings have 0.8 MOD cinema-standard gears for intuitive manual controls. A 1/4-20 thread at the end of the 15.7 lens allows you to mount fill lights or other accessories. Built-in LEDs in the lens tips provide a ring-light effect to your shots.