Here I need to stop down about a full stop from the head on view. The metallic sides of the Metro-North multiple unit reflected more light than initially anticipated and I needed to compensate on the spot by using my in camera meter to gauge the lighting. The trick is not to over do it. If I stopped down too much, I’ll lose shadow detail and the image will appear too dark. Canon EOS 7D with 200mm lens. ISO 200, f5.6 at 1//1000th of a second. White balance set at daylight.