Subject: EOS Lens Coating
> Just bought a used Canon 20 mm lens and noticed that there is a small, say > 3-4 mm x 1/2 mm defect in the front element. I call it a defect because I am > not really sure what it is. It doesn't look like a scratch...maybe a defect > in the coating. But it is almost directly in the center of the glass. You > can only really see it when you hold the lens in the light and see the > reflection off of the defect as a different and more solid appearing color > then the rest of the glass (sort of like the color of the reflective portion > of a soap bubble). Otherwise it is in perfect condition. Is this likely to > be a problem or have any negative effect on the images in this location and > focal length? > > Howard Have yu cleaned the lens yet with any solvents? Your description of a soap bubble leads me to belive that it will dissapear upon careful cleaning of the lens. Don * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
