No, the Nikon D5200 does not have built-in Wi-Fi. Wireless capabilities require the optional WU-1a Wireless Mobile Adapter.
Yes, it supports Full HD 1080p recording and features a Vari-angle screen and external microphone jack, making it a solid choice for budget-friendly videography.
The Nikon D5200 uses the EN-EL14 Rechargeable Li-ion Battery, providing approximately 500 shots per charge.
Yes, it uses the F-mount. However, it lacks an internal focus motor, so autofocus only works with AF-S or AF-I lenses; older AF lenses will be manual focus only.