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Message: <blockquote data-quote="jayw" data-source="post: 683410" data-attributes="member: 869">What I finally did was take my camera and lens to Hunt's Photo and had them try a new, out of the box lens to see if my lens was defective. The new lens had the same issue - after taking a picture, the screen would not shut off when programmed. Eventually it would.Doing a little digging on the Sigma website for my 17-70mm Contemporary, I found these 2 notes:*4: Due to the communication specification of the OS unit, the function to automatically turn off the LCD display on the camera will take about one minute longer than normal.Moreover, to magnify the image or to move the cursor to scroll, it is necessary to press the button each time.*7: For models released before November 2013, update(free) is required before using the OS(Optical Stabilizer) and AF function. Please contact your nearest authorized SIGMA service station for more information.My lens is up to date, so note 7 does not apply.So what I do now is shoot, review (chimp), press the shutter release half way to remove the image from the screen.I'm getting used to this work around, however, had I known this before making the purchase, I may not have purchased it.That being said, the lens does a great job and works very well for what I use it for.</blockquote>