Canon Patents: 300mm F2.8 1.4x, 400mm F2.8 1.4x, 600mm F4 1.4x with Built-in Teleconverters

Canon filed new RF-mount lens patents for 300mm F2.8 1.4x, 400mm F2.8 1.4x, 600mm F4 1.4x with built-in teleconverters.

[Publication number] P2022142979
[Publication date] October 3, 2022
[Patent application title] Optical system, lens device, imaging device

More details of the new Canon Patents for full-frame mirrorless cameras can be found below.

Continue reading “Canon Patents: 300mm F2.8 1.4x, 400mm F2.8 1.4x, 600mm F4 1.4x with Built-in Teleconverters”

Canon RF Patents for 200mm f2, 300mm F2.8 & 500mm F4 Super-Telephoto Lenses

Canon filed new RF-mount lens patents for 200mm f2, 300mm F2.8 & 500mm F4 Super-Telephoto models. More details of the new Canon Patents for full-frame mirrorless cameras can be found below.

[Publication number] P2021039379
[Publication date] APRIL 25, 2022
[Patent application title] Optical system and imaging device Continue reading “Canon RF Patents for 200mm f2, 300mm F2.8 & 500mm F4 Super-Telephoto Lenses”

New Canon Patents for RF 600mm f/4 and RF 400mm f/2.8 Super-Telephoto Lenses

Here are the new Canon Patents for RF 600mm f/4 and RF 400mm f/2.8 Super-Telephoto Lenses. Canon patent application 2022-22771 discusses optical formulas for RF mount mirrorless cameras.

See previous patent reports for lenses.

[Publication number] P2022052220
[Publication date] APRIL 4, 2022
[Patent application title] Optical system and imaging device and imaging system

Example 1 (600mm F4)
Focal length of XY cross section 575.00
Focal length of X-Z cross section 575.00
F number 4.10
Half angle of view (°) 2.15 Semi image
height 21.64
Back focus 88.87

Example 2 (400 mm F2.8)
Focal length of XY cross section 399.58 Focal length of
X-Z cross section 399.58
F number 2.90
Half angle of view (°) 3.10 Half image
height 21.64
Back focus 50.30

Stock Notice: Canon RF 28-70mm f/2L, RF 400mm f/2.8L IS & RF 600mm f/4L IS USM Lenses

The Canon RF 28-70mm f/2L, RF 400mm f/2.8L IS and RF 600mm f/4L IS USM Lenses are now in stock at Canon USA direct store, and all these three lenses are currently out of stock at other major US stores (Amazon, B&H, Adorama).

Designed for Canon full-frame mirrorless system, the RF 28-70mm f/2 L USM lens is a super-fast zoom in R-series lineup. On the other hand the RF 15-35mm is a new ultra-wide-angle zoom lens for EOS R and EOS RP.

Canon RF 28-70mm f/2 L USM Lens – $2,999 at Amazon | B&H Photo | Adorama.

Both the Canon EOS R5 and the EOS R6 are super hot selling mirrorless cameras on the market. Canon EOS R5 in stock.

Join the Canon Camera Users Group to share your Canon photography. Ask and answer questions that arise and help each others!

Read more Canon Rumors and Canon News.

Canon Rumors : Many Lenses Coming in the Second Half of 2021

It is good to have Canon news for the upcoming EOS R3 mirrorless camera. But the company isn’t done yet as latest Canon rumors indicates that many lenses coming at one time in the second half of 2021.

As you know Canon introduced the EOS R3 with a development announcement. So before the Tokyo Olympics we expect the Canon EOS R3 to be announced officially. This announcement will also bring many new Canon RF lenses. Here are the details. Continue reading “Canon Rumors : Many Lenses Coming in the Second Half of 2021”

Canon announces 400mm F2.8L and 600mm F4L RF-mount lenses

Canon has announced two new telephoto prime lenses for the RF mount. The RF 400mm F2.8L IS USM and 600mm F4L IS USM have the same optical makeup as their EF-mount equivalents, with 17 elements in 13 groups, including one Super UD and two fluorite special elements, along with Super Spectra and Air Sphere coatings.

The minimum focus distance on the 400mm F2.8 is 2.5m (8.2 ft) and 4.2m (13.8 ft) on the 600mm F4. The maximum magnifications are 0.17x and 0.15x, respectively. Both support Canon’s RF 1.4x and 2x teleconverters.

As with all L-series lenses, the 400 and 600 are rugged and weather-sealed, and have a fluorine coating on the front element to repel oil and water.

The RF 400mm f/2.8L IS USM Lens and RF 600mm f/4L IS USM Lens will be available in July priced at $12,000 and $13,000, respectively.

Canon RF 400mm f/2.8L IS USM Lens: $11,999 at AmazonB&HAdorama. Canon RF 600mm f/4L IS USM Lens: 12,999 at AmazonB&HAdorama.

Continue reading “Canon announces 400mm F2.8L and 600mm F4L RF-mount lenses”

Announced : Canon EOS R3 Camera and Three RF Lenses

Canon has revealed the first details of its high-end EOS R3 full-frame mirrorless camera. Along with the Canon EOS R3 development announcement, the company also unveiled the previously rumored three new RF lenses :

The Canon R3 will feature a new Canon-developed back illuminated stacked CMOS sensor, DIGIC X imaging processor, 30fps burst shooting with AF/AE tracking, an integrated grip design with professional levels of weather-proofing, Canon’s most advanced autofocusing system ever, an innovative new autofocus Eye Control Function, and compatibility with Canon’s Mobile File Transfer smartphone app.

Canon EOS R3 additional information:

    • Full-Frame Stacked BSI CMOS Sensor
    • Eye Control AF, Dual Pixel CMOS AF
    • Subject Tracking with Deep Learning
    • Continuous Shooting Up to 30 fps
  • Pre-orders: Adorama | B&H

Continue reading “Announced : Canon EOS R3 Camera and Three RF Lenses”

Canon RF 100mm f/2.8L Macro IS USM Lens Will Have 1.4x Magnification and Control Ring

We are getting close to the Canon RF 100mm f/2.8L Macro IS USM Lens announcement. The highly anticipated macro lens for Canon full frame mirrorless cameras will be officially announced with the RF 400mm f/2.8L IS USM lens and RF 600mm f/4L IS USM lens later this month.

According to recent reports, the Canon RF 100mm f/2.8L Macro IS USM lens will feature 1.4x magnification and a new “SA Control” ring that can control spherical aberrations in the lens.

About the price tag the RF 100mm f/2.8 IS USM Macro Lens will probably cost $2,000.

Both the Canon EOS R5 and the EOS R6 are super hot selling mirrorless cameras on the market. Canon EOS R5 in stock.

Join the Canon Camera Users Group to share your Canon photography. Ask and answer questions that arise and help each others!

Read more Canon Rumors and Canon News.

Canon RF 400mm f/2.8L & RF 600mm f/4L IS USM Images and Pricing

Here are the images and price of the Canon RF 400mm f/2.8L & RF 600mm f/4L IS USM Lenses.

Canon RF 100mm f/2.8L Macro IS USM Lens will be officially announced with the RF 400mm f/2.8L IS USM lens and RF 600mm f/4L IS USM lens later this month.

US Price:

  • Canon RF 100mm f/2.8L Macro IS USM Lens: $1,399 USD
  • Canon RF 400mm f/2.8L IS USM Lens: $11,999 USD
  • Canon RF 600mm f/4L IS USM Lens: 12,999 USD

Continue reading “Canon RF 400mm f/2.8L & RF 600mm f/4L IS USM Images and Pricing”

Canon RF Lens Roadmap for 2021 & 2022

Here are the latest updates for Canon RF lenses. In this article you can find the RF series lenses expected to be released in the next two years. So this is the updated Canon RF Lens Roadmap for 2021 & 2022.

To date, Canon has offered great lenses for the RF mount and demonstrated how committed it is to a full frame mirrorless camera system.  Canon Rumors has combined all the latest rumors about RF mount lenses in a neat list. Below you can find the other Canon RF lenses that is expected to arrive in 2021. There will be a total 17 new RF lenses coming in 2021 and 2022, including “ground-breaking” TS-R autofocus tilt-shift lenses for the RF mount.

Here is the updated Canon RF lenses roadmap that will be mentioned over the next two years.

The cameras that can use the RF mount are:

Complete List of Canon RF Lenses

Continue reading “Canon RF Lens Roadmap for 2021 & 2022”