This is the Hestia: a smartphone based telescope for day and night observation. It has 6-lens optical design with 25x magnification and 1.8-degree field of view. It weighs only 1.1lbs, so you can easily take it with you anywhere. It has a magnetic attach design to accommodate various phones.
This telescope has an app that helps you explore the sky. It guides you with lights to the right spot. With its solar filter, you will be able to capture beautiful videos of the sun during the day. Like what you see? You can find this project on Kickstarter.