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Specimen Holder
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houstontx



Joined: 31 Jul 2015
Posts: 179

PostPosted: Sat Jan 14, 2017 5:49 pm    Post subject: Specimen Holder Reply with quote

Where to buy or how to make a DIY specimen holder? I am currently using a piece of stiff wire which works but is a pain to get into place easily.

Thanks,
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C.Seno



Joined: 01 Oct 2015
Posts: 75
Location: Los Angeles

PostPosted: Mon Jan 16, 2017 7:50 pm    Post subject: Reply with quote

I have many different sized needles for varying insect size. I just dip the needle tip in super glue and stick it in the specimen. The needle can be stuck into clay and maneuvered easily.
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houstontx



Joined: 31 Jul 2015
Posts: 179

PostPosted: Tue Jan 17, 2017 11:02 am    Post subject: Reply with quote

Clay i never thought of that! I have some so I will try this out thank you!
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Xanthocryptus



Joined: 15 Mar 2014
Posts: 9
Location: New Zealand

PostPosted: Mon Mar 27, 2017 8:04 pm    Post subject: Reply with quote

I have a 'Microscope stage' from Bioquip - really its a nifty little specimen holder that allows you to rotate and reposition the specimen easily.
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JH



Joined: 09 Mar 2013
Posts: 945
Location: Vallentuna, Stockholm, Sweden

PostPosted: Mon Apr 03, 2017 12:06 pm    Post subject: Reply with quote

This link might be of some interest.
http://www.photomacrography.net/forum/viewtopic.php?p=132806#132806
Regards Jörgen
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microman



Joined: 14 Jan 2017
Posts: 97

PostPosted: Fri Apr 07, 2017 8:05 am    Post subject: Reply with quote

These look pretty cool. I used a much more basic model when i began.
https://www.amazon.com/QuadHands-Helping-Hands-Third-Soldering/dp/B00GIKVP5K
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MAvisdavis



Joined: 08 Aug 2017
Posts: 6

PostPosted: Thu Sep 07, 2017 7:51 am    Post subject: Reply with quote

I modified a similar solder station. The great thing about this one is I can alter the length of the arms Smile

(First post by the way) Hey guys Smile
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Olympusman



Joined: 15 Jan 2012
Posts: 3425

PostPosted: Thu Sep 14, 2017 9:10 am    Post subject: Specimen holder Reply with quote

I use pipe cleaners with a pin glued on the end and then glue the pin to the insect. Far cheaper than a goniometer and just as effective. Microscopists/macroscopists are known for their patience, so this is just another day at the office.

Mike
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ChrisR
Site Admin


Joined: 14 Mar 2009
Posts: 7258
Location: Near London, UK

PostPosted: Thu Sep 14, 2017 10:18 am    Post subject: Reply with quote

MAvisDavis wrote:
(First post by the way) Hey guys Smile

Welcome MAvis !

You can post up to 1024 square, with a 300kB size limit, by the way. Medium quality Jpeg should be fine.
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MAvisdavis



Joined: 08 Aug 2017
Posts: 6

PostPosted: Tue Sep 26, 2017 7:44 am    Post subject: Reply with quote

ChrisR wrote:
MAvisDavis wrote:
(First post by the way) Hey guys Smile

Welcome MAvis !

You can post up to 1024 square, with a 300kB size limit, by the way. Medium quality Jpeg should be fine.



Thanks ChrisR Smile
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concon



Joined: 01 Jun 2017
Posts: 60

PostPosted: Tue Sep 26, 2017 11:08 am    Post subject: Reply with quote

MAvisdavis wrote:
I modified a similar solder station. The great thing about this one is I can alter the length of the arms Smile

(First post by the way) Hey guys Smile


Welcome man! I use those same arms to hold my backgrounds.


I personally use an alligator clip on an xyr stage on a precision lab jack. I find flexy arms are not reliable enough at high magnifications; something with precise controls saves headaches and time (definitely time).
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Harald



Joined: 13 May 2011
Posts: 395
Location: Steinberg, Norway

PostPosted: Wed Sep 27, 2017 12:59 pm    Post subject: Reply with quote

Hi there houstontx,
I only use clay. Easy to get in any toystore.
This is useful for pinned insects. Position it just the way you want.
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mawyatt



Joined: 22 Aug 2013
Posts: 985

PostPosted: Wed Sep 27, 2017 2:19 pm    Post subject: Reply with quote

Here's a couple holders.

MJKZZ
http://www.mjkzz.com/product-page/flexible-specimen-holder

Wemacro
http://www.wemacro.com/?product=specimen-holder

Best,

Mike
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Deanimator



Joined: 23 Oct 2012
Posts: 367
Location: Rocky River, Ohio, U.S.A.

PostPosted: Thu Sep 28, 2017 11:45 am    Post subject: Reply with quote

Harald wrote:
Hi there houstontx,
I only use clay. Easy to get in any toystore.
This is useful for pinned insects. Position it just the way you want.

Depending upon the subject, I use clay or a DIY third hand made using stiff electrical wire a small carpenter's clamp and an alligator clip.

The third hand works well with light subjects, not much heavier than a 3/8" washer. There's too much movement with heavier objects.

For heavier objects, I prop them up with the clay molded to stay out of the picture. I haven't tried using it to hold a needle yet.
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Yawns



Joined: 20 Dec 2015
Posts: 89
Location: Portugal

PostPosted: Sat Sep 30, 2017 7:09 am    Post subject: Reply with quote

I use a stage rather than a flexible arm .. I find it easier this way .. very easy to place a background...



the stage allows me to lay several diffusers very easy



for a specimen holder I use a ping-pong ball, cut in 2 halves, filled with plasticine (to make it heavy) and taped back to original position ... the ball over a metal ring ... this is a very chaeap way to have tilt and rotation virtually in any direction and makes tunning the insect positioning very easy


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