March 1, 2020

Ballpoint Pen Tip

Macro and Micro Picture of the Day 2020-03-01

Here is the tip of a ballpoint pen. The ballpoint pen is the most used writing instrument in the world. This one is a Bic Cristal, the world's most popular pen, over 100 billion of which have been sold. The ball of this pen is made of tungsten carbide and is 1.0 mm in diameter.

Equipment used: Canon EOS Rebel T5i with 49 mm long extension tube.

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