Product Name: Orange Full - Color Filter / Yellow Full - Color Filter Frame Material: Aluminum Alloy Material Lens Material: Optical Resin Material / No Coating Main Functions: Reduce Blue Light / Observe Corals / Shoot Marine Tanks Applicable Caliber: Multiple - model calibers, please choose according to the size of the lens caliber. Color Classification: Full - color Filter - [Orange] Full - color Filter - [Yellow] Gradient Color Filter - [Orange] Gradient Color Filter - [Yellow]