Sigma has posted a statement on its website regarding incompatibilities between its lenses and the Nikon D5300. Lenses with built-in focus motors may not autofocus correctly in Live View mode, and Optical Stabilisation (OS) may not work correctly. The company says it will provide a free firmware update for affected lenses to fix the issue, but this may not be possible with discontinued models. Click through for full details.
News: Digital Photography Review (dpreview.com)