Choosing a cheap microscope help

[Levinson]

Hi all, I've been wanting to get a cheap microscope mainly just to look at my phyto culture.
I did some searching and so far, I'm kinda interested in the Swift SW150, Swift SW200dl, and AmScope M150C-I.
Even after searching, I have very little knowledge about microscopes and I wanted to ask for your help.
I can't figure out the difference between the SW150 and SW200dl. Is the SW200dl worth paying extra?
Is AmScope M150-c also a worthy candidate?
Is any one of them worth getting over the other or will they pretty much be the same?

I'm not based in the US so I may or may not buy from Amazon (it would depend on the cost of buying them locally).

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[Jason_MrFrags]

In that price range they will all be basically the same.

 

[KStatefan]

I bought the AmScope then had to add the camera to it. Could never get my iphone to focus thru it.

 

[Levinson]

I've already pull the trigger and SW150 is on its way from abroad.
But why is it that whenever you buy something, you find great secondhand deals (that weren't there before)? (;_

 

[Levinson]

So far I'm happy with what I've got.
Here's a picture of Isochrysis that I've cultured.