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Specifications of the upcoming Canon RF lenses
/ Categories: Rumors, Canon Lenses
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Specifications of the upcoming Canon RF lenses

The first bit of specifications for new Canon RF lenses has been leaked by Nokishita.

  Canon RF 400mm F2.8L IS USM Canon EF 400mm F2.8L IS USM
Elements 17 Elements in 13 Groups 17 Elements in 13 Groups
MFD 2.5m (.17x magnification) 2.5m (.17x magnification)
Filter  52mm Rear 52mm Rear
Size 163mm x 367mm 163mm x 343mm
Weight 2.89kg 2.84kg
Price $11999 $11999
  Canon RF 600mm F4.0L IS USM Canon EF 600mm F4.0L IS USM
Elements 17 Elements in 13 Groups 17 Elements in 13 Groups
MFD 4.2m (.15x magnification) 4.2m (.15x magnification)
Filter  52mm Rear 52mm Rear
Size 168 x 472mm 168mm x 448mm
Weight 3.09kg 3.05kg


Notice anything? Yes, these lenses are almost exactly the same as their EF counterpart. Both of them are exactly 24mm longer than their EF counterparts, which is the exact difference in focal plane distance between the EF mount and the RF mount.  It's pretty safe at this time to state, that these lenses are most likely the exact same between the RF and EF lens and I guess are RF version 1 lenses.  THere may be firmware and electronics difference as I'm sure the RF lenses have a native RF communication protocol.

The Canon RF 100mm F2.8L Macro IS USM is a completely different lens from it's EF counterpart. 

  Canon RF 100mm F2.8L Macro IS USM Canon EF 100mm F2.8L Macro IS USM
Elements 17 elements in 13 groups 15 elements in 12 groups
MFD .26m (Maximum Magnification 1.4x) .30m (Maximum Magnification 1.x)
Filter 67mm 67mm
Size 81.5x148mm 77.7mm x 123mm
Weight 730g 625g
Image Stabilization 5EV (EOS R), 8 EV (EOS R5) 4EV (at infinity)
Price $1399 $1299

Edit:  Just after we published this, Nokishita released the text PDF of the Sales summary of the Canon RF 400mm F2.8L IS USM, and as we expected, it's optically identical.  You can download and read the full PDF below.

The latest EF version of the 400mm f/2.8L IS lens, introduced in late 2018, preserved the legendary sharpness of previous EF400mm f/2.8L lenses, but with a dramatic reduction in overall weight. The RF version, dedicated to EOS R-series cameras, preserves this advantage, providing outstanding handling for a super-tele lens with an f/2.8 maximum aperture. Numerous optical and mechanical steps combine for this supremely light weight, transforming the RF400mm F2.8L IS USM into a lens that’s equally at home in situations requiring mobility and portability — such as motorsports and wildlife — as it is fixed on home plate at a night baseball game. And, since it uses the same optical design as the EF version III lens, the same superb image quality can be expected.

Previous Article Canon to announce the EOS R3
Next Article Leaked Canon 100mm F2.8L Macro IS USM press release

Documents to download

  • RF400mm(.pdf, 235.73 KB) - 488 download(s)

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