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Reversing Goggles

(115)

(Code: 379)

500g

These amazing Reversing Goggles allow you to view the world upside down!

£ 55.00

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These amazing Reversing Goggles allow you to view the world upside down! The plastic goggles hold two Dove plexiglass prisms, which invert the image. Alternatively, you can adjust the prisms in order to create right-left inversion. Since the time of Leonardo da Vinci (1452 - 1519) people have wondered about the fact that the images of the world that fall on our retina are upside down, yet we see the world the right way up. Back in the 1890s the American scientist George Stratton conducted an experiment to see what would happen if he viewed the world through an inverting prism. He found that after 4 days, his brain started to compensate, and he could see the world the right way up again. We are not suggesting that you recreate George Stratton's experiment. However, it is fascinating to wear the upside down googles and try to shake hands with someone, pick up an object, pour water from a jug into a glass, try and write, or find your way around (with someone else there to guide you of course). When we view the world normally, our brain reverses the images on our retina in both the up-down and right-left directions. These prisms reverse the up-down direction only. However if you rotate them by 90 degrees, they will then reverse left-right instead. The kit includes the lightweight, ventilated plastic housing, two prism holders in MDF (medium density fibreboard), two high quality Dove prisms in lightweight plexiglass giving a 35x20mm view, plus a small file for smoothing edges. A small amount of assembly is required. You will need a protractor in order to measure a right angle and some 2 part adhesive which hardens quickly. Optionally, you can apply some black paint to the prism surfaces which are not needed, which will improve the picture quality slightly. Suggested Age 18+. Made in Germany.Safety Notice. Wearing these goggles will cause you to lose your normal orientation. Do not make any movements while you are wearing them which could cause you to fall and injure yourself. If you want to examine the effects of inverting your vision, you should wear the goggles for at least an hour. However some people may feel unwell if they wear the goggles for a long time. If this happens, discontinue their use. We probably don't need to say this, but don't drive, drink alcohol or operate heavy machinery while wearing these reversing goggles!

Customer reviews

2/5

99% you would need a glue to fix lens, but there is no glue in the package, so you buy it separately. Manul is the worst I ever seen - you need an academic degree to understand it. Also red gum is not good quality - mine was deformed :(.

Mikhail I.

5/5

Excellent and well made. I am an optical engineer and am very picky. This is well designed and delightful to use.
.

John F.

3/5

The only reason I gave it 3 and not 5 is because the assembly required (which I obviously f***ed up).
To have my clumsy ass glue (not included, and you have to guess what type you need) the prisms to the holes in the cardboard turned out badly for me, now one lens is foggy. But that is completely my fault... still a pre-assembled (at leased pre-glued) would make me give it a 5+ stars.

Ariel b.

4/5

A bit finicky, but alright.

Michael S.

5/5

Cool stuff. It really turns the world upside down. Challenging and fun, not just interesting.

Stefan G.

3/5

Skittle disapointed from the googles cause you don't see one good picture.

Uri M.

4/5

Emma Dalton Review collected by Feefo

5/5

All good! Fast shipping! Good item!

Lytvynenko Grygorovich Review collected by Feefo

3/5

Kathryn Wieczorek Review collected by Feefo

3/5

Antonio da Cruz Review collected by Feefo