Optics in Japan

Doing some digging on line to find out when magnifying glasses were developed in Japan I came across this site:


It looks like the first examples were introduced in 1551 and wider domestic production started around 1620. I have to wonder how long it took for the first daimyo to own a pair to think about what his preferred kodogu maker might be able to do with the new technology.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s