Is it safe to install Magic Lantern?
Essentially Magic Lantern opens up functionality that is technically possible to run on Canon DSLR cameras. Because installing Magic Lantern does not replace the stock Canon firmware or modify the ROM but rather runs alongside it, it is both easy to remove and carries little risk.
How do I update my Canon 550D firmware?
Right-click the zip file, and then select Extract All to extract the file. The extracted folder contains the firmware (File name: e8kr7110. FIR, File size: 9,538,556 bytes) and instructions on the firmware update procedures (a PDF file in five languages: Japanese, English, French, Spanish, and Simplified Chinese).
Can Magic Lantern damage your camera?
The chances of bricking your camera are extremely low (but not zero). I think something not everybody understands is the Magic Lantern does not install into your camera but to the SD card. Note that the software does crash from time to time, and sometimes it is necessary to remove the battery to reset the camera.
Is there a magic lantern for Sony?
Nope. Magic Lantern is a camera application extension only for Canon cameras. It integrates with Canon’s DRYOS operating system, but it has to be specifically tuned to the details of each individual camera. Some Sony models support “Apps”, which enhance the camera operation perhaps a bit like Magic Lantern.
Is there anything like magic lantern for Nikon?
No.