> >>I did a mirror-up and then used Bulb to hold the shutter >open >>on the D800 -- > >Use the menu option for sensor cleaning. It will lock the >mirror up. Using Bulb relies on something to be holding the >exposure down, sounds more risky. It holds it open until you >turn the camera off. Note for safety it won't even work if >your battery is not reasonably fully charged. > > >Linwood > >Comments welcomed on pictures: Http://captivephotons.com
Today I learned something useful .... Many thanks.