Richard CanonNews / Monday, April 12, 2021 / Categories: Rumors, Canon Lenses This post may contain affiliate links(s). An affiliate link means I may earn advertising/referral fees if you make a purchase through my link, without any additional cost to you. It helps to keep this site afloat. Thank you in advance for your support. If you like what we do here, maybe buy me a coffee. Product images of the Canon RF 400mm F2.8L IS USM and the Canon RF 600mm F4.0L IS USM have appeared Product images of the Canon RF 400mm F2.8L IS USM and the Canon RF 600mm F4.0L IS USM have appeared. New information as well on the prices for US retailers has also been released; with the 400mm for $11999, and 600mm $12999. This is the same pricing as the EF versions of the lenses. Both seem to support a drop in rear filter (no great surprise there). But no more details are known at this time but we'll be updating this article as more information becomes available. Interestingly there doesn't seem to be a distance scale anymore on the lens. Here is the Canon EF 400mm F2.8L IS USM III (top) with the RF version (below). These aren't exactly to scale. However, it certainly appears is if the two versions are significantly similar to each other in terms of layout. There doesn't seem to be a dedicated control ring on the RF version, somewhat of a suprise. Given the fact that details of all three lenses (the two big whites and the 100mm Macro) have leaked I would not be that all surprised to see an announcement this week. More links Nokishita Richard CanonNewsRichard CanonNews Richard has been using Canon cameras since the 1990s, with his first being the now legendary EOS-3. Since then, Richard has continued to use Canon cameras and now focuses mostly on infrared photography. Richard is the founder and editor of CanonNews since 2017, and has worked as a writer on CanonRumors and other websites in the past. Other posts by Richard CanonNews Contact author Facebook page Previous Article More details emerge about the Canon RF 100mm F2.8L Macro IS USM Next Article Specifications of the upcoming Canon RF lenses Print Tags: Canon RF 400mm F2.8L IS USMCanon RF 600mm F4.0L IS USM Please login or register to post comments.