Friday, June 9, 2017

Patent: Canon 18-105mm f/4-5.6 With Built-in Telconverter, But With a Twist.

Here’s a patent we missed that appeared in Japan and was reported by Northlight Images. This is a 18-105mm f/4-5.6 With Built-in Telconverter, which isn’t a big departure, expect that the TC is to make the wide angle, wider! At 18mm, the lens is f/4, but with the TC engaged, the lens becomes a 15mm f/3.3. […]

from Nikon Digital SLR Camera
via Patent: Canon 18-105mm f/4-5.6 With Built-in Telconverter, But With a Twist.

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