Firmware: Canon EF 400mm f/4 DO IS II USM v1.0.9
Canon has released new firmware for the Canon EF 400mm f/4 DO…
Patent: More diffractive optics super telephoto lenses
I'll be honest, the first 20 or so patents relating to diffractive…
Best & Most Rented Gear of 2015 by LensRentals.com
We all love "best of" lists when it comes to gear, and…
Review: Canon EF 400mm f/4 DO IS II
Bryan at the-digital-picture has completed his review of the Canon EF 400mm…
Review: Canon EF 400mm f/4 DO IS II
ePHOTOzine has completed their review of the brand new Canon EF 400mm…
Quick Comparison: Canon’s new 400mm Options
Roger at LensRentals.com has done a quick comparison of the EF 400…
Canon EF 100-400 f/4.5-5.6L IS II & EF 400 f/4 DO IS II To Begin Shipping This Week
The brand new and highly anticipated Canon EF 100-400 f/4.5-5.6L IS II…
Hands-on With the Canon EF 400 f/4 DO IS II
Matt Granger has posted a short hands-on video and samples gallery for…
The New Canon EF 400mm f/4 DO IS II
EF400mm F4 DO IS USM II Specifications Total length 232.7mm Weight is 2100…
