The 100x100mm tiffen pro100 landscape filter kit is ideal for landscapes and seascapes containing filters that help to balance uneven exposures and compensate excessive light it comprises of 1x tiffen graduated neutral density 12 4 stop filter 1x tiffen nd 12 4 stop filter 1x tiffen irnd 30 10 stop filter 77mm and 82mm adapter rings and a tiffen pro100 series holder