You guys remember "the bar" in the 190? I think other cockpits may also be suffering from the bar, particularly the Yak 9. Someone on another forum posted a good video showing why the 190 bar should be reduced in game due to refraction of light through glass, it might apply to "bars" at the top of many gunsights and to armored glass in other planes as well; details in this thread:
http://forum.1cpublishing.eu/showthr...972#post705972.