Upgrading a classic: Canon 100-400mm F4.5-5.6L IS USM Mark II review

Upgrading a classic: Canon 100-400mm F4.5-5.6L IS USM Mark II review
Canon 100-400 F4.5-5.6L IS USM Mark II R…
Source: dpreview
Upgrading a classic: Canon 100-400mm F4.5-5.6L IS USM Mark II review