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Arm ? Base ? Eyepiece lens ? Low power lens 4 x (red) ? High power lens 40 X (blue) Medium power lens 10 x (yellow) ? Barlow lens ? High power lens x40 (blue) ? Low power lens x5 (red) ? Angled eyepiece tube ? Medium power lens x10 (yellow) ? USB PC eyepiece ? Wrong answer => 2 X Barlow lens' magnification ? objective lens power ? To work out total magnification: X ? + ? eyepiece lens power = ? total magnification ? Barlow lens ? 2 2 ? 2 2 2 2 Objective lens ? 10 ? 10 40 40 ? 4 4 ? Eyepiece lens 16 16 16 ? 5 5 ? 5 = Total magnification ? 1280 ? 100 ? 400 ? 128 ? 320 ? 40 |