AmScope - $388 

 

 http://www.amscope.com/compound-microscopes/40x-2000x-professional-binocular-compound-microscope-with-kohler-illumination.html
 

Best Buy - $100

 

 http://www.bestbuy.com/site/celestron-laboratory-biological-microscope/4428928.p?id=1218477697858&skuId=4428928

Microscope World - $199

http://www.microscopeworld.com/p-1736-richter-optica-hs-1m-student-microscope.aspx



AmScope, Best Buy, and Microscope World sell microscopes.