Canon Patent: RF 28-70mm F2.8 Lens
Canon patent application 2024104916 (Japan, published on August 6, 2024) discusses various optical formulas for a yet to be released RF lens: 28-70mm f2.8. From the patent literature: Description of the…
Canon Patent: 15-28mm F2.8 And 17-30mm F2.8 Lenses
Canon patent application 2024101615 (Japan, published 7/30/2024) discusses optical formulas for two lenses: 15-28mm F2.8 17-30mm F2.8 From the patent literature: A zoom lens that is compact yet has a…
Canon Patent: 180mm F3.5 Macro, 300mm F4 Macro, And 100mm F4 Macro
Canon patent application 2024103311 (Japan, published 08/01/2024) discusses method and optical formulas for three telephoto macro lenses: 180mm F3.5 Macro 300mm F4 Macro 100mm F4 Macro From the patent literature:…
Canon Patent: 400-600mm F2.8-4, 300-600mm F2.8-4.5 And 70-300mm F4
Here is the next Canon patent application. Canon patent application 2024101302 (Japan published 7/29/2024) discusses optical formulas for three telephoto/zoom lenses: 400-600mm F2.8-4 300-600mm F2.8-4.5 70-300mm F4 A zoom lens…
Canon Patent: 9-18mm F4 IS, 10-20mm F2.8-4 IS And 11-22mm F2.8 IS
Here is another Canon patent application. Canon patent application 2024100498 (Japan, published 7/26/2024) discusses optical formulas or three wide angle lenses: 9-18mm F4 IS 10-20mm F2.8-4 IS 11-22mm F2.8 IS…
Canon Patent: 12-30mm F4-6.3 & 24-50mm F4-6.3 PowerZoom Lenses
Here is the first of a batch of new Canon patent applications. Canon patent application 2024099414 (Japan, published 7/25/2024) discusses methods and optical formulas for two PowerZoom lenses: 12-30mm F4-6.3…
Canon Patent: RF-S 33mm f/1.8 And Other Lenses
Here is a new Canon patent application for a bunch of lenses, of which one might already have releases. Canon patent application 2024082112 (Japan, published 6/19/2024) discusses optical formulas for…
Canon Patent: 15-60mm f/2.8 And 22-80mm f/2.8 With Inner Zoom Mechanism
A new Canon patent for two lenses with inner zoom mechanism. Canon patent application 2024079936 (Japan, published 6/13/2024) discusses optical formulas for two (likely RF-mount) lenses with an inner zoom,…
Canon Patent: 28-70mm f/2.8 IS Lens
Here is a new Canon patent application. Does the patent refer to the Canon RF 24-70mm f/2.8L IS? Canon patent application 2024078721 (Japan, published 6/11/2024) discusses optical formulas for a…
Canon Patent: 12-30mm f4-6.3 IS APS-C And 20-40mm f/4 IS With Inner Zoom
A new Canon patent for two lenses for mirrorless cameras, one for APS-C and the other for full-frame. Both have inner zoom mechanism. Canon patent application 2024076793 (Japan, published 6/6/2024)…
Canon Patent: RF-S 14-30mm f/4-6.3 And RF 20-50mm f/4-5.6
Here is a new Canon patent application, one for a RF-S and one for a RF lens. Canon patent application 2024072459 (Japan, 5/28/2024) discusses optical formulas for two RF-mount lenses:…
Canon Patent: 200-800mm f/6.3-9 And 150-600mm f/6.3-9 Lenses
A new Canon patent application for two telephoto lenses. Canon patent application 2024062200 (japan, published 5/9/2024) discusses optical formulas for two telephoto lenses for the RF mount: 200-800mm f/6.3-9 150-600mm…
Canon Patent: 14-35mm f/2.8 For Full Frame EOS R Cameras
Here is a new Canon patent application, this time for. 14-35mm f/2.8 lens for the RF mount and full frame cameras. Canon patent application 2024058439 (Japan, published 4/25/2024) discusses optical…
Canon Patent: 12-24mm f/2.8 And 14-20mm f/2 For RF-Mount
Here is a new Canon patent application, as usual for RF-mount lenses. Canon patent application 2024042622 (japan, published 3/28/2024) discusses optical formulas for two lenses for full frame mirrorless cameras…
Canon Patent: 24-70mm f/4, 28-200mm f/2.8-5.6, 20-60mm f/2.8-4 And 50mm f/1.4 (composite opticals)
A new Canon patent application for RF-mount lenses with composite optical elements. Canon patent 2024039231 (Japan, published 3/22/2024) discusses optical formulas and methods for four lenses with composite optical elements:…
Canon Patent: RF 24-105mm f/2.8 Z And RF 15-60mm f/2.8 Z Lenses
A new Canon patent application for two lenses featuring Canon's new silent USM zoom technology (hence the "Z"). Canon patent application 2024025100 (Japan, published 02/26/2024) discusses optical formulas and methods…
Canon Patent: 10-20mm f/4, 10-20mm f/2.8-4 And 9-18mm f/4 Lenses
A new Canon patent application. Canon patent 2024023099 (Japan, published 2/21/2024) discusses optical formulas for three wide angle zoom lenses. 10-20mm f/4 10-20mm f/2.8-4 9-18mm f/4 From the patent literature:…
Canon Patent: 50mm f/4 IS Macro And 90mm f/4 IS Macro
Canon patent application 2024010559 (Japan, published 01/24/2024) discusses optical formulas for two macro lenses for the RF mount: 50mm f/4 IS Macro 90mm f/4 IS Macro From the patent literature:…
Canon Patent: 10-18mm f/4.5-6.3 and 10-20mm f/4 (with internal zoom)
Canon patent application 2024007656 (Japan, published 19/01/2024) discusses optical formulas for two wide angle zoom lenses. 10-18mm f4.5-6.3 10-20mm f/4 with internal zoom mechanism From the patent literature: An object…
Canon Patent: 400mm F2.8, 500mm F4 And 600mm F4 Lenses
New Canon patent for you, ladies and gentlemen. Canon patent application 2024009238 (Japan, published 01/19/2024) discusses optical formulas for three telephoto prime lenses, all for fullframe mirrorless cameras. 400mm F2.8…