This SN25T1 ND1000 filter is an upgrade of the SN25T ND1000 square filter. It uses a coating process to solve the problem of color cast. Simply slide in different filters to take beautiful, colorful shots.
The material of the filter is top-grade optical glass, which adopts double-sided multi-layer enhanced coating, which can effectively reduce the filter surface reflection.
There are 8 filter ring adapters, included 49mm/ 52mm/ 58mm/ 62mm/67mm/ 72mm/ 77mm/ 82mm, allows you use the nd filter on your kinds of size camera lens.