The filters have wrinkles and other imperfections, which are normal. These "imperfections" do not affect the image quality or safety of the filter. This is an asset as they improve the image contrast and enhance your view. The filter housing that holds the StarGuy solar filter is constructed of lightweight aluminum. The thumbscrews will ensure a secure fit on the front of your camera lens or optical tube.
The Filter housing is designed from lightweight aluminum, and attaches securely to your telescope with adjustable screws. The StarGuy Solar Filter delivers an image of neutral color balance and with high contrast. The StarGuy Solar Filter film is safe for use and is coated on both sides to eliminate the occurrence of pin holes.