Carson 40x-400x Table Top Microscope Gray. The Carson 40x-400x Biology Microscope has a monocular head at 45 degree angle for comfortable viewing and is rotatable 360 degrees for easy sharing of the specimen view. Illumination is provided by two bright white LED sources (transmission and reflection) which allow viewing of wide range of transparent to opaque specimens. The Carson 40x-400x Table Top Student Microscope features a filter wheel with 5 color options and the included AC power adaptor allows for use internationally without the need for a voltage transformer. Specifications for Carson 40x-400x Table Top Student Microscope: Magnification: 40x-400x Lens Size: Objectives Features: Working Stage Size Eye Relief: Eye Pieces Weight: 3.12 lbs Dimensions: 7.5" x 6" x 11.25" Accessories: Power Adapter Batteries: Illumination Features of Carson 40x-400x Table Top Microscope Magnification 40x-400x Eye Pieces WF 10x Package Contents: Carson 40x-400x Table Top Microscope Power Adapter: AC 110V-240V 50/60Hz Carson MS-040: 40X-400X Table Top Microscope Gray