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 released firmware updates for five telephoto lenses. Here they are. Please note: we linked Canon Japan (machine translated) because they are the first to publish the firmware updates. RF…
A new Canon patent was spotted. Zoom lenses for full frame mirrorless cameras, i.e. the EOS R system. Canon patent application 2023125584 (Japan, published 9/7/2023) discusses optical formulas for three…
A new Canon patent application for RF mount super telephoto lenses. Canon patent application 2022-53697 (Japan) discusses optical formulas for three super telephoto lenses, all for the RF mount: 60-600mm…
More review stuff about the "quirky" Canon RF 600 f/11 and RF 800 f/11 lenses for the EOS R mount. Mirrorless Comparison posted their Canon RF 600 f/11 and RF…
The Canon RF 800mm f/11 and RF 600mm f/11 are the first of their kind, more lenses will follow, and the first one might the RF 400mm f/8. Mynavi.jp posted…
Canon released two unique lenses with the Canon RF 800mm f/11 IS STM and RF 600mm f/11 IS STM. Here is a review for the former. Brent Hall reviews the…
Canon surprised quite a few people when they released the RF 800mm f/11 and RF 600mm f/11 lenses. I have yet to see a negative review. Gordon Laing thoroughly looks…
In an interview, Canon engineers tell how it came Canon made the RF 800mm f/11 and RF 600mm f/11 lenses. And what inspired them. In an interview with DC Watch,…
Are Canon's new RF 600mm f/11 and RF 800mm f/11, two relatively affordable lenses for the EOS R system, the best wildlife lenses you might get? Tony & Chelsea Northrup…
The Canon RF 600mm f/11 and Canon RF 800mm f/11 lenses are still causing some people to scratch their head. What, f/11!! The short video below, by Wex Photo Video,…
Hi Lows Note spotted a Canon patent application (2019-028317) for 400mm f/4, 600 mm f/4, and 800 mm f/5.6 telephoto lenses with DOE (Diffractive Optical Elements). Focal distance 582.00 F number…
Egami (translated) spotted a patent filed by Canon regarding 500mm f/4, 500mm f/5.6, 600mm f/4 and 800mm f/5.6 lenses. Patent Publication No. 2013-92575 Publication date 2013.5.16 Filing date 2011.10.24 Example…
Once more Egami (translated) spotted interesting new patents filed by Canon. A 400mm f/4 DO macro 1:1.4, a 400mm f/4 DO macro 2:1, a 600mm f/4 macro 1:1 and an…
Egami (machine translated) found a patent filed by Canon for a 600mm and a 800mm f/5.6 lens using diffractive optical elements. Patent Publication No. 2012-123152 2012.6.28 Release Date 2010.12.8 filing…
The excellent Canon RF 800mm f/11 IS STM lens got an $100 instant discount at major resellers. At a glance: RF-Mount Lens/Full-Frame FormatFixed f/11 ApertureRetractable, Locking Lens BarrelGapless Dual-Layer Diffractive…
Here is a fresh Canon RF 800mm f/11 IS STM review. At a glance: RF-Mount Lens/Full-Frame FormatFixed f/11 ApertureRetractable, Locking Lens BarrelGapless Dual-Layer Diffractive OpticsSTM Stepping AF MotorOptical Image StabilizerCustomizable…
We knew they were coming, here they are: Canon RF 800mm f/5.6L IS and RF 1200mm f/8L IS telephoto lenses. Canon RF 800mm f/5.6L ISCanon RF 1200mm f/8L ISRF-Mount Lens/Full-Frame…
A new Canon patent was spotted. The patent refers to two super zoom lenses. Again, as it seems, for the RF mount Canon patent application 2022/0035144 (USA) discusses optical formulas…
A new Canon RF 800mm f/11 IS STM, from one of our favorite reviewers. A weird lens, someone might say, but read on to learn more. At a glance: RF-Mount…
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