Long Exposure NR greyed out
I dont understand what you mean . If you ask your self if NR should be on during long time exposure than the answer is yes! check your manual to see what that option does . Is vital for long time exposures! If you wanna avoid the in camera postprocessing than shoot a blind picture and deactivate the NR and than let the camera do your shot with the option off. Anyway im bad in explaning . just google NR long time exposure and you will figure .