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Natural Science Forum / Physics / Optics / September 2007First microscope
Hello, I'm looking for my first microscope, which will be a stereo microscope. I''ve searched among major brands (Nikon, Olympus, Leica, Zeiss...) and the only one that fit my budget (around 1000$) is the Leica EZ4. Having looked at brochures, this microscope seems to be a good product. I've also found that Motic (less-known brand) has one from about 300$ less. Would you suggest me to get the Leica? I wouldn't mind paying 300$ extra if it's for getting a good experience. I know that a bad microscope could lead me to give up this hobby. Also, the basic EZ4 comes with 10x eyepieces, which give magnification of 8x to 35x. Upgrading to 16x eyepieces or more quickly raises the price...Here's my second question: Will a magnification up to 35x be useful to observe details that we don't see or have difficulty to see with naked eyes? Would additional 15x magnification for couple hundreds more be recommended? My only concern is that I don't want to get a magnification/experience that could have been almost as good with a cheap magnifying glass. Thanks a lot. > Hello, > [quoted text clipped - 17 lines] > > Thanks a lot. i don't like the 'No removable parts for highest reliability and less chance of broken or lost parts' characteristic: it's only good for educational purposes for 1300$ i've just ordered on ebay a new stereoscopic microscope (oem) with Nikon SMZ645 optical system, two objectives, a trinocular head and an external camera (2048 x 1536) usb interfaced so my suggestion is: try ebay, from a trustworthy seller On Sep 19, 9:40 am, "challengecry...@gmail.com" <challengecry...@gmail.com> wrote: > Hello, > [quoted text clipped - 17 lines] > > Thanks a lot. You're facing a common and difficult choice--there is no right answer------------------- I can't personally say anything about Motic scopes, I've never owned one; however, Zeiss, one of the best scope makers in the world, has sub-contracted Motic to build Zeiss' new entry level scope, the "PrimoStar", which carries the Zeiss name. More investigation and research on Motic might be worth the effort. Good Luck! Try ebay, I got recently for cheap a NIKON SMZ800 binocular very nice to which I added a trinocular tube. A really nice setup still to the NIKON catalog. Good luck pf > Hello, > [quoted text clipped - 17 lines] > > Thanks a lot. On 19 Sep., 15:40, "challengecry...@gmail.com" <challengecry...@gmail.com> wrote: > Hello, > [quoted text clipped - 17 lines] > > Thanks a lot. As a stereo for beginners the EZ4 offers an excellent magnification range. The 8x gives you enough field of view to get an overview on the specimen (diameter you'll see is: 25 mm) and the zooming function to go as high as 35x gives you enough power to see the details you want to observe. The 16x Eyepieces offer less field of view to start with but give you a higher mangification. I personally would recommend the10x over the 16x Eyepieces unless you want to observe very small samples. One of the most crucial parts of a stereo is it's illumination. The EZ4 offers you LED illumination that give you a "cold light". This means that the samples do not dry out easily and are not exposed to UV light that usually come from tungsten or halogen bulbs. Motic is offering a Halogen bulb for the incident illumination. Switch it on for 10 Minutes and then try to re-adjust the illumination -- you'll get a burning experience 'cause it's hot. Another advantage of the LED illumination of the EZ4 is the the daylight colour they offer. The specimen can be observed under "daylight" conditions and the colors are true colors. With halogen or tungsten colors tend to be yellowish. The LED have a much longer life time than conventional illumination. Safe 300 $ in the first place but spend it over time on spare bulbs. The EZ4 is the best stereo in its class money can buy. Stephan I provide both Zeiss and Motic stereomicroscopes, and spent almost 20 years selling Leica, and have to say, Motic has really come a long way in their instruments. Motic stereomicroscopes are really good instruments. The current design team consists of former Nikon designers, which is why you'll see a lot of "Nikon" feel to their scopes. For the price range, the Motic instrument is a real contender these days, the SMZ 168, for instance has the look, feel and rough quality of the old standard Nikon SMZ2B, and has a Zoom Range that'll blow the Chinese Leicas out of the water (0.7-5x). What's more, the Leica scope has a very awkward viewing angle as opposed to the standard 35 degrees you'll find on the Motic. I'd give them a serious look, they're really becoming a good reliable source of scopes at a very attractive price. You could do a hybrid and get a Motic scope on a Meiji LED stand if LED's are an issue for you. Victor |
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