4K HD Wallpaper: Notebook · New Picture Related to Computers by Markus Petritz

It's been a while since I've featured an image related to computers💻. Well, here's one from a talented Austrian software engineer and photographer - Markus Petritz. By his courtesy the computer image is shared free under Public Domain CC0 license and optimized for use in projects such as - blog articles related to tech, apps, social media, web design... or if you like maybe as phone, tablet and desktop background.

4K Ultra High Definition HD: 3840x2160 (just perfect for 4K and 2K (2560x1440) screens)
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 many tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many phones)
Photographer: Markus Petritz from Austria | Twitter @PetritzDesigns | Facebook Page | Flickr Portfolio | Unsplash Portfolio
License: Public Domain CC0.
Dear visitors, if you upload the image elsewhere, it would be nice to mention the photographer and the source.
Thank you!