Happy Birthday, Mr. Carl Zeiss!

On September 11, 2016 the town of Jena, Germany, celebrated the 200th birthday of Mr. Carl Zeiss. I am sharing here some impressions from the personal life of Mr. Carl Zeiss – one of the great pioneers of microscopy – as told through the events of his 200th birthday celebration. Carl Zeiss Jena was originally…

How aperture affects image quality

When I first heard about Foldscope from a friend in 2016 I became curious. Until my Foldscope arrived in early 2018 I started experimenting with ball lens microscopes myself. Please see a photo of some of my models. When I first used my new Foldscope, I was impressed with the good image quality. I attribute…

Leeuwenhoek’s Microscope

Here are some pictures from the Optical Museum Jena, Germany, of the historical Leeuwenhoek Microscope. Please enjoy. The pictures were taken on the 200th birthday of Mr. Carl Zeiss, the founder of the microscope company Carl Zeiss Jena. Leeuwenhoek’s single lens model was the leading microscope of its time until Mr. Zeiss succeeded to reach…