The NiSi M75 75mm Starter Kit with Pro C-PL is a great value starter kit for landscape and seascape photographers with almost everything you need to get started. It?s perfect for anyone who wants to create long exposure images and use ND filters & GND filters with multiple lenses up to 67mm with a standard filter thread. The NiSi M75 75mm Starter Kit with Pro C-PL includes the M75 holder which allows for the use of up to two, 75mm-wide (2mm-thick) filters along with an included NiSi Circular Polariser Filter. It features superb built quality, Aluminium design and Left to right pressed clips rather than traditional top and bottom design. It is very smooth to insert and remove filters. The holder is compatible with 75x80mm or 75x100mm filters from NiSi and brands that feature 2mm thick filters. The holder and rotates 360 degrees and features a lock to lock the rotation. With the unique rotation wheel design, the CPL filter can be rotated via a cog on the back of the filter which no longer has to set the CPL filter before inserting the other filters. Some APS-C Lenses at 10mm may have a slight vignetting, it usually disappears at 11mm. Additional adapter rings for 40.5mm, 43mm, 46mm, 49mm, 52mm, 55mm, 58mm, and 62mm are sold separately. What's included in the Kit?