Neewer 1.25 inches 13 Percent Transmission Neutral Density Moon Filter, Aluminum Frame Plastic Thread Optical Glass Telescope Eyepiece Filter Helping Reduce Overall Brightness and Irradiation (Black) - 2724571539612

• UPC   191073004962
• Premium Material: Aluminum frame, plastic thread and optical glass, durable and no damage to your lens Transmits only 13 percent of the incoming light, boosting contrast and ability to discern detail on the Moon Helps reducing overall brightness without altering color, so that not only will more surface features and details pop out, but also you can study them in greater comfort Helps conserve dark-adapted vision while viewing the lunar surface Helps reduce irradiation, which is the distortion at the boundary between light and dark areas, such as along the lunar terminator