https://evidentscientific.com/zh/products/optics-and-microscope-accessories/n1478200
50X Plan Achromat Oil-Immersion Objective with Iris. Numerical Aperture: 0.50 - 0.90, Working Distance: 0.2mm, RMS Threading, Field Number: 22.
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https://www.pearson.com/channels/microbiology/asset/4221065f/immersion-oil-increasesdecreases-the-numerical-aperture-which-increasesdecreases?chapterId=3c880bdc
Immersion oil ________(increases/decreases) the numerical aperture, which ________(increases/decreases) resolution because _______(more/fewer) light rays are...
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