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Product: Glasses
binectacles   (+9)  [vote for, against]
spectacles with a zoom feature

these are plain glass spectacles (or prescription if you want) that are capable of zooming into the object of your desire.

in my case, ducks, birds, insects and other myriad wildlife that I might not normally be able to distinguish very well.

I imagine that there would be a knob or a wheel somewhere on the spectacles that would allow a 2nd lens to move its focal length to move in and out in increments.

that’s it basically - simples!
-- po, May 28 2009

clip-on telescope is all I can find now... http://www.albinism...ow-vision-aids.html
[xandram, May 28 2009]

Not what you mean I know [po], but I thought you'd like to see it just the same.
[2 fries shy of a happy meal, May 30 2009]

with negative refractive indices now possible, the second lens might be superfluous.
-- loonquawl, May 28 2009

I wonder if you could create a dynamically tunable fresnel lens using concentric arrangements of liquid crystal?
-- zen_tom, May 28 2009

funny we were discussing this the other day!! My dentist (who is now dead) used to wear something like these over his glasses. They might be something jewelers use. I have to go look now...
-- xandram, May 28 2009

This is far too practical and doable for a [po] idea. Make it by a scientist or something and I'll bun it.

Oh wait. [po]'s my buddy. I love her. ++++++ then.
-- blissmiss, May 29 2009

{hug} blissy
-- po, May 29 2009

that 4th link is good but it requires you not to be walking which would defeat my purpose.

2fries' link sounds a great idea for the third world.
-- po, May 30 2009

random, halfbakery