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Author: Subject: Quick question about microscope eyepieces
Doctor Cat
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[*] posted on 3-7-2016 at 20:49
Quick question about microscope eyepieces


I want to buy these x30 eyepieces for my microscope on ebay:

http://www.ebay.com/itm/181808345809?_trksid=p2055119.m1438....
My idea is to increase the augmentation limit of my current microscope (which is x1000 (oil) at the moment... So I have 2 question about this... Does it really work like this? I mean, if I change to a x30 eyepiece I will be able to zoom up to x3000 in oil...? if so, what are the major disadvantages of doing this?
My last question is about the eyepieces that I want to buy, are they good?

Thanks in advance!
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Scalebar
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[*] posted on 3-7-2016 at 23:56


You'll be up against the diffraction limit - the resolution of your 'scope doesn't depend on the power of the lens, it depends on the numerical aperture of the lens ( which should be written on the objective somewhere ), your resolution, theta is 1.22 times the wavelength divided by the numerical aperture practically speaking 1000x is the limit for a light microscope due to the whole wavelength thing.

Swapping out a 10x eyepiece for a 30x eyepiece will give you a bigger image but no better resolution - it's like holding a magnifying glass up to a computer screen.
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