Question about Vivitar 900x 28-piece Microscope Set

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Vivitar 900x microscope light do not come on - Vivitar 900x 28-piece Microscope Set

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Posted on Jan 02, 2017

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Posted on Mar 29, 2009

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Posted on Apr 12, 2010

  • 1 Answer


Same problem, tried flipping it every which way with no luck - both the light itself and the arm that hold it. Finally, when trying to change the batteries, I noticed that they battery housing was odd: usually the positive end of the battery is against the node, and the negative end against the spring. This is true for one of the batteries, but for the other one has to turn it backwards, so that the positive end is against the spring. This is the only time I have seen a battery go in that way, and so naturally I had not looked for -/+ labels, but had just put the batteries in the housing in the way one would assume they go. When I changed the one around (and it was labeled that way), it solved the problem and the light came on. I don't know if I just got lucky, but you might as well try and see if it works for you.

Posted on Dec 19, 2010

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Posted on Dec 29, 2010

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Company was bought out by Meade here is the manual

Posted on Dec 29, 2010

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All of the sites where you can download instructions or manuals for Vivitar products do NOT have the Vivitar 900x Microscope included. Where can we find instructions even on how to use any childs starter...

The best way might be to go to the manufacturer them selfs and contact them to see if they can send you the info you need there website is hope this helps -SuperRichard37

Feb 08, 2010 | Vivitar 900x 28-piece Microscope Set

1 Answer


On ours, we had this same problem and all we ended up having to do was turn the light bulb up towards the black plate and it comes on, then turn the bulb down towards the feet of the microscope and it goes back off.

Dec 27, 2008 | Vivitar 900x 28-piece Microscope Set

2 Answers

What are all the tools used for?

go to he will be glad to help you

Dec 26, 2008 | Vivitar Microscope Set From 100x 400x 900x

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