CREATE TABLE table_520 ("Frame size" TEXT, "Width" FLOAT, "Height" FLOAT, "Mpix" TEXT, "Aspect Ratio" TEXT, "Maximum fps" FLOAT, "Maximum fps HDRx" FLOAT, "least compression at 24 fps" TEXT, "least compression at maximum fps" TEXT)

What size is a 30 frames per minute
SELECT "Frame size" FROM table_520 WHERE "Maximum fps" = '30'
SELECT "Frame size" FROM "table_520" WHERE "Maximum fps" = '30'