Ulanzi VL49 flashmeter but also mountable on most

but also mountable on most lenses with 52mm threads

but it's designed for video use

so it will produce an edge-to-edge image that takes full advantage of your sensor's resolution

Leitz MOOSP close focus tube for the 200mm f4 and f4

Simple and easy to use

Ulanzi VL49 flashmeter but also mountable on mostThe Ulanzi VL49 is a tiny LED light panel with adjustable colour temperature, RGB functionality, and an "effects" mode that simulates the light from emergency vehicles, among others. Surprisingly feature packed and easy to use. Fun bonus: the rear panel is magnetic, so you can stick it to a fridge or any other similar metal surface. Charges via USB C.