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10/6/18

What contains a lens that magnifies 43x?

Quesiton : What contains a lens that magnifies 43x?



Answer: Low-powered objective






What contains a lens that magnifies 43x? 3. High power objective lens magnifies the specimen 40 or 43 times (40X) or (43X) Therefore when you are computing the total magnification of a specimen you must multiply the objective lens times the eyepiece. The eyepiece magnification is usually 10 x.The objective lenses are usually 4x 10x and 43x. How can the answer be improved? The slide may break and/or you may damage the microscope. Why must you be careful when you are focusing with the high-powered lens? Start with the lowest objective (coarse adjustment) then adjust your focus to a better resolution with the fine adjustment. Parts of a light microscope. Parts of a compound light microscope. STUDY. PLAY. Arm. The handle that is used when carrying the microscope. ... This is a cylinder which contains a lens that magnifies 10x. Oil-immersion objective. This is a cylinder which contains a lens that magnifies 100x. High power objective lens magnifies the specimen 40 or 43 times (40X) or (43X) Therefore when you are computing the total magnification of a specimen you must multiply the objective lens times the eyepiece. The magnification of an infinity-corrected objective equals the focal length of the tube lens (for Olympus equipment this is 180mm Nikon uses a focal length of 200mm; other manufacturers use other focal lengths) divided by the focal length of the objective lens in use. For example a 10X infinity-corrected objective in the Olympus series would have a focal length of 18mm (180mm/10). the total magnification is 430. when calculating this always multiply the ocular objective (in this case 10) by the lens objective ( in this case 43) so 10 x 43 = 430. The eyepiece lens usually magnifies 10x and a typical objective lens magnifies 40x. (Microscopes usually come with a set of objective lenses that can be interchanged to vary the magnification.) You can calculate the total magnifying power of the microscope by multiplying the magnifying powers of the objective lens and the eyepiece (so 10 x 40 ... Others also have a 100x magnification power. Therefore the least total magnification of an image is 40x and the highest is 1000x. In order to view a specimen clearly under the microscope begin with the lowest power objective (4x) to focus on the specimen then use higher objective lenses (10x to 100x) to get a closer view of the image.

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