Canon EF 600mm f/4 DO BR lens prototype on display at the 2015 Canon EXPO in NYC

Popular Photography magazine posted some pictures on their Instagram of a new Canon EF 600mm f/4 DO BR lens prototype (patent was recently filed in Japan) that is currently on display at the 2015 Canon EXPO in NYC:

Canon is working on a 600mm F/4 DO BR lens with their latest optical tech. #CanonExpoNY

A photo posted by Popular Photography (@popphotomag) on

There was also a prototype of the new 120MP Canon EOS DSLE camera that was announced few days ago:

Canon is showing off their prototype 120-megapixel DSLR at their expo in NYC. It's pretty insane.

A photo posted by Popular Photography (@popphotomag) on

Via Canonrumors