4k action camera sport camera series rollei actioncam total resolution 12 megapixel sensor type cmos video 4k full hd hd framerate 4k 30 fps framerate full hd 120p 60i 30p lens type wide angle focal length 3 mm lens speed 25 field of view 170 selectable field of view wide image stabilisation system digital image stabilisation display size 2 inch display type lcd viewfinder live view storage media memory card supported memory cards mi