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tobetz / LegoMicroscope

To learn about optics and microscopy, we generated a simple to build lego microscope that does not need precision optics and 3D printed parts.
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Lens option from China #13

Closed XiT999 closed 3 years ago

XiT999 commented 3 years ago

Hi Prof. Timo, hola from Xi.

Here is my lens options in China,

iPhone 5s replacement camera, f=4.1mm Acrylic lens (2x) ：(diameter 31.5 mm, f = 100mm) Glass lens：(diameter 17.5 mm, f = 25 mm)

The distance between the object and the second lens was measured with a ruler and found to be 237 mm, so at last, according to the formula, we got the total high-magnification M = 217X, total low-magnification of M = 26X. Still hope it's right.

We took some videos to explain the process, here is the link: Lens Part：https://www.youtube.com/watch?v=eeqykJiaFA4 Reduced distance：https://www.youtube.com/watch?v=ak24DZypnQc LED Replaced：https://www.youtube.com/watch?v=r31mmgsWXp0 Results：https://www.youtube.com/watch?v=3H98Z7Qradw

Chinese text via https://mp.weixin.qq.com/s/8inIznvt7qHr4usf3euMQw

tobetz commented 3 years ago

Dear Xi,

thanks a lot for the input! And especially for the videos to explain the details!

best, Timo