FW: [Histonet] Offtopic - Microscope for kids

From:"Hawkins, Hal K."

Yes, maybe 12 is a better age to consider a professional-grade student
scope.  For an 8-yead-old, I would strongly recommend the digital
microscopes from Intel, Mattel and Digital Blue, the QX3 and QX5.  I
have a QX3, and it is easy, lots of fun, and really an excellent way to
view things in the macro range -- insects, plankton, money, color
slides, nose hair -- whatever you like!

Hal Hawkins

-----Original Message-----
From: histonet-bounces@lists.utsouthwestern.edu
[mailto:histonet-bounces@lists.utsouthwestern.edu] On Behalf Of
McCormick, James
Sent: Saturday, October 30, 2004 8:34 AM
To: John Kiernan; Kim Merriam; Histonet
Subject: RE: [Histonet] Offtopic - Microscope for kids

Kim, You have received some good advice from John Kiernan.  Learning to
use a hand lens to bring
 "little things" closer to view is the best building block for
"experimenting" with the magnification of interesting objects. Someone
has said "we need a low power lens and a high power mind!"  There are
some interesting books and web based assets to build with.  From my
experience it is important that the beginner
will benefit greatly from "examining" little things with a hand lens and
making drawings of what they see. If you look up "bugs" on Google it
will lead you to www.BillyBear4Kids.com  I think you will find some
things of great interest to an 8 year old. Wait until he is 12 to spend
$100.00 for a used student microscope.
Good Luck, I am a pathologist and have used a microscope since age 12. 

-----Original Message-----
From: histonet-bounces@lists.utsouthwestern.edu
Sent: Saturday, October 30, 2004 12:48 AM
To: Kim Merriam; Histonet
Subject: Re: [Histonet] Offtopic - Microscope for kids

Don't buy one without first having a look at 
something with it yourself. 

Even in the highest of the price ranges you 
mention the optics cannot be of high quality, 
so there's no point getting anything with an 
objective that's more than X10. The mechanical 
parts are also likely to be stiff, loose, or 
otherwise not easy to control.

The best value for money is a 2nd-hand student
microscope. University departments often sell
these off for $100 or less, and you'd be lucky
to get an equivalent new instrument for $1000.

An old student microscope would not impress your
8 year-old son, because it would need too many 
adjustments (condenser, brightness, centering, 
positioning the slide etc). 

My experience with children and microscopes is 
that those younger than about 13 find it difficult 
to keep an eye steadily in place over an eyepiece 
- not too far away (nothing visible), not too 
close (disturbing images of reflected bent 
eyelashes), and not wobbling either.

Children need help finding something to look at
because moving the slide is another difficulty
(especially if you don't have a mechanical 
stage, which is 2 more knobs). Focusing is a
must, of course, and using coarse and fine
knobs can easily be taught. 

>From my experiences with children (including me, 
my friends long ago, my 5 grown-up kids, and some of our 
grandchildren), you need to be 16 to handle a 
real microscope. Not everyone would agree. 

The Royal Microscopical Society (in Britain)
has been campaigning for "a microscope in 
every school" for several years. "Every
school" means elementary schools, which are
for under-11s in the UK. The RMS has identified
various kinds of microscope appropriate for
children. They have a major web site,
Click on the Education tab, then on AMFES to
get their advice on paedomicrophilia.

Consider buying your son a X10 lens and 
showing him how to see a spider's fangs or
the stinging hairs of a nettle.

Hope this helps! 
                 John Kiernan
                 London, Canada.
John A. Kiernan
Department of Anatomy and Cell Biology
The University of Western Ontario
London,   Canada   N6A 5C1

Kim Merriam wrote:
> Hello all,
> My 8 year old son wants a microscope for Christmas.  I have been
searching on the internet for a decent one that does not cost an arm and
a leg.  It seems like there are lots of cheap ones in the $12-30 range
and then some nice ones that are in the $100-200 range.  Does anyone
know where I could get one that costs around $50-70 that is not a piece
of junk?  I would like 2 or 3 objectives.  Of course, the slides need
not be included!
> Thanks in advance,
> Kim Merriam
> Novartis
> Cambridge, MA
> Kim Merriam
> Novartis
> Cambridge, MA
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