Item Type: Blue Streak Effect Lens Filter Material: Glass, plastic Weight: Approx. 131g/4.6oz Filter Diameter: Approx. 77mm/3.0in Package List 1 x Blue Streak Effect Lens Filter 1 x Wiping Cloth 1 x Shockproof Pack 1Professional Filter: This blue streak filter is specially designed for adding anamorphic like blue flares to still images and video footage without using a specialty lens. 2Glass Material: This filter is made of quality optical glass material, provides excellent clarity and light transmittance, wear proof, can last a long time. 3Easy to Use: This filter can be attached to any 77mm lens natively, can create the effect of elongated blue streaks horizontally from a point light source. 4Special Effect: When used with the camera lens, this filter can make the horizontal field of view wider, so that your small video will shot movie wide screen texture. 5Multiple Applications: The perfect complement to your movies, music videos, brand content shooting, night photography, wedding photography, advertising, etc.