Product Description: Bower HV52Diameter: 52 mmProduct Description: The 52mm Pro Series tulip lens hood and lens cap kit delivers the necessary two-phase protection your lenses require. The tulip shape prevents the hood from blocking the field of view of your lens, therefore preventing vignetting. By eliminating sun interference like glare as you snap away and shielding your lens from the elements when not in use, this kit is a must-have for beginner and professional photographers.Other Characteristics: Colour of product: BlackDiameter: 5.2 cm