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The combination of for example 10-120x stereo-zoom magnification, good optical quality, bright- and dark-field illumination, and only 3000 US$ is NOT possible unless: 1) you are willing to buy a second hand of quality brands like Leica, Zeiss, Olympus or Nikon (my preference) 2) you buy a low quality brand and you will later regret having done that ..... My two cents of advice, go for a SECOND HAND or, get more funding i.e. at least triple the amount - J. - Clint Spiegel wrote: > Hi, > > I am looking to buy a modestly-priced zoom scope for x-ray > crystallographic purposes ($2-3000). Does anyone have suggestions about > what/where to possibly find this? I currently have a cheap one that goes > from 7.5-50X, but I'd like something with a little more magnification, a > better light source and better optics. > > Thanks, > Clint > > > Clint Spiegel > Assistant Professor, Chemistry > Western Washington University > 516 High Street > Bellingham, WA 98225-9150. > -- Dr. Jeroen R. Mesters Gruppenleiter Strukturelle Neurobiologie und Kristallogenese Institut für Biochemie, Universität zu Lübeck Zentrum für Medizinische Struktur- und Zellbiologie Ratzeburger Allee 160, D-23538 Lübeck Tel: +49-451-5004065, Fax: +49-451-5004068 Http://www.biochem.uni-luebeck.de Http://www.iobcr.org Http://www.selfish-brain.org Http://www.opticryst.org -- If you can look into the seeds of time and say which grain will grow and which will not - speak then to me (Macbeth) --