Designed for professional photographers and hobbyists alike, this set helps elevate photography and achieve results. Filter Set includes the following lens thread ranges: 3749 mm, 4952 mm, 5255 mm, 5558 mm, 5862 mm, 6267 mm, 6772 mm, 7277 mm, 7782 mm. Stepdown Filter Set includes: 8277 mm, 7772 mm, 7267 mm, 6762 mm, 6258 mm, 5855 mm, 5552 mm, 5249 mm, 4937 mm. Specifically designed for a tight and secure fit on compatible camera lenses. Construction: aviation aluminum alloy, ensuring the filters are solid and lightweight for field use. Practical applications Landscape photography with multiple lenses: quickly swap between filter sizes to match different lens threads without carrying numerous individual filters. Travel photography across a range of lenses: a compact set that covers a broad spectrum of diameters, reducing gear while maintaining versatility. Onlocation shoots requiring reliable, secure mounting: the precise fit helps ensure stable performance across diverse lenses and conditions.