1. Ultra-light filters, single net weight of about 0.5g, does not aggravate the load of the . 2. Choose professional German optical glass lens, imaging clearer, make your work more professional. 3. Multi-layer coated filters, high translucency and high brightness to restore the true colour. 4. Does not affect the use of the lens cap. Specifications: D: ND lens 4-piece set: ND8+ND16+ND32+ND64 Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Colour:As Shown Material:PC+ optical glass Package Contents: 1 * Filter Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.