Specifications:(1 piece is included in the package)
Product:IR Cut Filter Glass
We have 2 types:Normal typeand Coated type.They are made of same material ,the difference is the coating.
Normal type:It is easy to get get oxidation fungus like the original one.
Coated type:The coating can stop the oxidation efficiently,so the filter can be used for longer time.
Besides,the AR coating can increase the transmission rate and decrease the reflective light.
About Quality Guarantee:
Blue glass filter always have striaes and bubbles inside.We select every filter carefully to guarantee that it is free of any defects.