The utility model relates to an adjustable bracket is shot with sample macroscopic view appearance in laboratory includes at least: light screen, controllable bottom plate are inhaled to support subject, magnetism, wherein, support subject includes that the camera supports the ceiling and connects the support body that the camera supported on the ceiling supports tertiary flexible bracing piece, support ceiling upper surface is equipped with the camera and places the face, the magnetic force face of the tertiary flexible bracing piece of support body support passes through the electromagnetismconnection and is in bottom plate magnetism is inhaled the draw -in groove and is supported in the pole position, the light screen is inhaled to magnetism two magnetic force faces respectively through the electromagnetism connect on the draw -in groove is inhaled to support magnetism inhale draw -in groove light screen position with bottom plate magnetism on, on the controllable bottom plate, thescope district is placed to the regional interior sample that forms that the light screen enclose is inhaled next to magnetism, it inhales draw -in groove sample card restitope to be equipped with bottom plate magnetism in the sample scope of placing is distinguished.