Product Features Use Effect- Made of high-quality aluminum alloy and optical glass, the soft focus filter is specially designed for portrait, commercial photography. It is ideal for controling highlight flare, creating soft-focus effect , which makes your photos be full of mysterious, dream-like, and romantic color or allows you to carry on a creative shooting. and also can reduce the appearance of blemishes and wrinkles in portraits, make skin or pores more delicate. High-definition image-transmittance up to 90%.Which ensure capture high-definition photography and videos. Moisture-Proof Storage Case- Each soft focus camera filter can be fixed firmly in a delicate and portable filter case via sponge cushion. Moreover, the moistureproof interleaving paper and the sponge cushion at the bottom effectively protect the filter from moisture and impact Easy to choose size-Filters are screwed on front of the lens. You can verify your cameras lens filter size by cameras lens thread size which is printed by a (diameter) symbol on the lens. Specification Material: Aluminium Alloy+Optical Glass Color: Black Sizes:37-82mm Net Weight: 5g-19g Gross Weight: 60g-71g Product Dimension: Related to lens diameter Package Dimension: 100x100x15mm How to Choose The Size? Please look at your lens diameter and find the symbol on the front of the lens. For example, 58 means that the lens has a diameter of 58mm. You can use it when you buy a 58mm size.