4K HD Wallpaper: Autumn 3
The 3rd Autumn photography was taken by Hoschi E. and it is available for download under CC By license. Here's optimized for fit as desktop background and homescreen phone.
Widescreen Desktop / Macbook (Retina): 2880x1800 (fits on: 2560x1600, 1920x1200, 1440x900)
High Definition HD 1080p: 1920x1080 (fits on: 1600x900, 1366x768, 1280x720)
Samsung Galaxy Tab & iPad: 2048x2048 (compatible with almost all tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many smartphones)
Camera: Sony Alpha NEX-7 | Taken: September 28, 2014
Settings: Aperture: f/4.0 | Exposure time: 1/250 | Focal Length: 35.0 mm | ISO / Flash: 100 / NO