K&F CONCEPT 18pcs Camera Lens Filter Step Up/Down Adapter Ring Set 37-82mm 82-37mm for DSLR Camera Lens

K&F CONCEPT 18pcs Camera Lens Filter Step Up/Down Adapter Ring Set 37-82mm 82-37mm for DSLR Camera Lens

• STEP-UP RING FILTER ADAPTER SET: 37-49, 49-52, 52-55, 55-58, 58-62, 62-67,67-72, 72-77, 77-82mm
• STEP-DOWN RING FILTER ADAPTER SET: 49-37, 52-49, 55-52, 58-55, 62-58, 67-62, 72-67, 77-72, 82-77mm
• HOW TO USE: The first number points to the lens thread size and the second number is the filter size; Step up rings provide a way to fit a larger diameter filter or accessory onto a smaller lens. Step down rings work in the exact same way but instead provide a way to attach smaller accessories and filters to larger lenses; Can be screwed onto the front of the lens easily with great tightness; Very simple to set up
• Made of high quality aviation aluminum alloy.
• Extremely solid and lightweight.Specifically designed for your camera for a tight and secure fit.