John Gulliver : Roger you are lucky, the filter has done it's job. Make sure you buy a multi-coated filter, B&W are good. Seconded B&W (Schnieder) are very fine filters
John Gulliver : Roger you are lucky, the filter has done it's job. Make sure you buy a multi-coated filter, B&W are good. Seconded B&W (Schnieder) are very fine filters