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zagami
super member
Reged: 08/22/08
Posts: 165
Loc: The Big Sky
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Re: microscopes for meteorites/loupes?
09/16/08 09:43 AM
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Hi,
I have several lupes, but the one I prefer is a Bausch & Lomb Hastings Triplet Loupe 10X.
In fact, I have a more expensive B & L Hastings Triplet Loupe 20X that I rarely use because the field of view is so small.
If I had to be stuck on a deserted island with only one lupe, I'd probably choose a high quality 7x.
Seems many folks go for the big numbers, but like telescope eyepieces (I prefer the wide and superwide fov) a high quality lower power will trump a low quality high power any day. And for most viewing, in my opinion, a high quality low power lupe will be much more useful than a high quality high power lupe.
B&L used to make a combination lupe with a 4x, 5x, 9x combined. I have one of those as well and find most of my viewing is with the 5x. It is a larger diameter lens so it has a greater working distance (the 20x Hastings must be half to a quarter inch away). However it is plastic and mine has been glued back together several times over the years.
There are some nice ~10x reflected light microscopes that work great with opaque objects. I've got one of these that I use with kids:
http://enasco.com/product/SB28922M
and it works great. The white circle can be removed to allow the scope to be placed on the object.
Here is a lower priced one that I've yet to try. It looks small but promising.
http://enasco.com/product/SB24170M
Hope this helps.
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