There are some great refurbished deals for Black Friday at Canon USA, and they will be over soon.

Check all refurbished Canon USA deals here. You can get an EOS R100 body for just $199.

More Black Friday deals are listed here:

• B&H Photo’s Black Friday general deal listings and Canon deal listings
• Amazon US and Amazon Germany

Topaz Labs has a rather good deal on their award winning Photo Ai software.

You can get the Photo AI starter kit on Black Friday sale at $199. Compare at $399.

Save on Photo AI 3 + 800 Cloud Credits to use when Cloud Render is available in the coming week. Soon, you can use credits for even faster image enhancements through our powerful, secure server. Your Cloud Credits will allow you to enhance images with the latest AI models at peak performance. It’s up to you: Run Photo AI 3 in the cloud when it’s available, or run it locally.

More Black Friday deals are listed here:

• B&H Photo’s Black Friday general deal listings and Canon deal listings
• Amazon US and Amazon Germany
• Canon USA

More deals to come…

Here is anew Canon patent application for three telephoto lenses.

Canon patent application 2024163673 (Japan, published 11/22/2024) discusses optical formulas for three telephoto lenses:

• 400mm F4
• 500mm F5.6
• 800mm F6.3

From the patent literature:

• A compact optical system is provided that has a sufficient aperture ratio and can effectively correct various aberrations.
• Background Art: As a small telephoto lens, an optical system has been disclosed that has a first lens group with positive refractive power, a second lens group with negative refractive power that moves during focusing, and a third lens group with positive refractive power, which are arranged in order from the object side to the image side. In addition, as an optical system advantageous for video shooting and dustproofing and drip-proofing, an optical system employing an inner focus method or a rear focus method in which focusing is performed by moving a lens group on the image side rather than the first lens group, which is the closest to the object side, has been disclosed. These optical systems have good correction of various aberrations such as spherical aberration and chromatic aberration. In addition, the optical system may have an anti-vibration function for reducing (correcting) image blur caused by camera shake such as hand shake. Furthermore, these optical systems are also required to have a large aperture ratio and high optical performance.

Example 1

• Focal length: 388.73
• F-number: 4.08
• Half angle of view: 3.19
• Image height: 21.64
• Total length: 310.74
• Back Focus: 55.06

Example 2

• Focal length: 479.13
• F-number: 5.65
• Half angle of view: 2.59
• Image height: 21.64
• Total length: 331.00
• Back focal length: 55.35

Example 3

• Focal length: 583.80
• F-number: 5.65
• Half angle of view: 2.12
• Image height: 21.64
• Total length: 366.23
• Back focal length: 67.52

Example 4

• Focal length: 584.06
• F-number: 6.40
• Half angle of view: 2.12
• Image height: 21.64
• Total length: 366.13
• Back Focus: 69.91

Example 5

• Focal length: 789.38
• F-number: 6.40
• Half angle of view: 1.57
• Image height: 21.64
• Overall length: 600.18
• Back Focus: 62.06

More Canon patents are listed here.

B&H Photo has a huge selection of discounted gear. Canon gear inclusive.

See here for a list of Canon cameras and lenses that are on sale (just scroll down a bit to see the list)

See here for the full list of discounted gear at B&H Photo.

More selected deals:

• Get Excire Foto (AI powered photo managment) with 15% discount by using code “canonwatch” at checkout
• USA: Canon USA | B&H Photo | Adorama | Amazon US
• Germany: Amazon Germany
• Refurbished lenses and DSLRs at Canon Store (best deals might be found here)

A new Canon patent, regarding the operation of tilt-shift lenses: automatic setting.

Canon patent 2024-157119A (Japan published 11/7/2024) discusses methods and technology to automatically set the tilt in a tilt-shift lens, which is usually the most complicated settings for most users. From the patent literature:

• A lens device capable of changing the focusing range with a simple operation is provided.
• Description of the Related Art: Conventionally, lens barrels have been proposed that enable tilt photography to adjust the in-focus range, and shift photography to change the shooting angle of view and correct distortion. In tilt photography, it is possible to tilt the focusing plane so as to bring the entire object surface in focus well relative to a plane that is inclined from a plane perpendicular to the optical axis of the imaging optical system, or to tilt the focusing plane so as to bring the object surface into focus partially. Patent Document 1 discloses an imaging device that displays the in-focus range superimposed on an image so that the in-focus range can be easily visually confirmed when the image is partially in focus.
• In the configuration of Patent Document 1, when creating an image by expanding or contracting the focus range after tilting the focus plane, it is necessary to change the focus range by changing the tilt of the current focus plane. However, it is difficult to intuitively understand how to move the imaging optical system in order to change the focus range, so it is necessary to move the optical system once and check the change in the focus range before changing it to the desired focus range.
• SUMMARY OF THE PRESENT EMBODIMENT: An object of the present invention is to provide a lens device capable of changing the focus range with a simple operation.

More Canon patents are listed here.

[via asobinet]