SIOTI Square Filter Kit (All ND)

• Filter material is super transparent acrylic for good imaging
• ND Filter help you increase the exposure time (S)
• ND Filter help you decrease aperture (F)
• Different ND value meet different special photographic expectation
• 2*Cleaning wiper material is super soft fiber, wiper itself won't release particle,and suit for lens cleaning

Item Specification: Packing weight: 0.32lb(156g) Product weight:0.28lb(126g) Packing size: 7.1inch*4.3inch*1.2inch (18cm*11cm*3cm) Package Includes: 1×Grandient ND2 1×Grandient ND4 1×Grandient ND8 1×Grandient ND16 2×Cleaning wiper Warning: Don't clean with unprofessional wiper, otherwise, filter will be scratched and never be reparative. Don't touch surface with your hand or anything, when there are some particle on filter surface, you can blow it with air blower(don't blow with mouth). Service: 3 years warranty from SIOTI, 30 days money back. For better shopping experience, if you have any inqury or any problem about our products, freely contact with us to get help ,even refund or return,we will let everyone satisfied. What does a ND Filter do: You want to capure sunset clouds/running water/sport and need a moving impression photo , and software can't help you, so you must need long time to exposure however too much light come to sensor, at this time, you can add Neutral Density filter. You want enough depth of field or enough aperture, however, low ISO and shutter speed and long exposure time can't help you prevent too much light,you can add Neutral Density filter. How to use: When you need 1/2 light to sensor, you can select ND2, ND4 for 1/4 light, ND8 for 1/8, ND16 for 1/16. When you capture, you must a steady tripod to cooperate with long exposure.