K&F Concept 77mm Natual Night Filter Light Pollution for Photography Sky/Star Astrophotography Optical Glass Double Sided MRC Coating Waterproof and Oil Resistant

✿Unique Function✿Light pollution doesn’t only adversely affect the quality of night-time city and architectural photographs but also scientific astrophotography in urban areas. K&F Concept Round Filter helps to reduce the unwanted effect of light pollution, giving photographs more contrast and clarity as a result. ✿Material✿K&F Concept Natural Night Filters made of double side Nano-Coating use waterproof and scratch-resistance technology ,bring the high-quality definition, low-reflection and no Vignetting. ✿High Quality✿Block the most common wavelengths of light pollution in the night sky,Significant improvement in the colors throughout the whole scene. ✿Super Slim✿The ultra-slim frame design of 3.8mm and Super aviation aluminum alloy material,will not produce vignetting for any brand of camera. ✿NOTE✿This Filter kit is compatible with all 77mm lenses. Please verify your camera's lens thread size(usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering.This number is always preceded by a "Ø" (diameter) symbol. For example: Ø77 = 77mm lens thread size.