Canon News has uncovered a patent for more fast prime optical formulas. This patent deals with reducing weight and size for such lenses.
Canon News notes that the back focus is quite short, which would require the lens to enter the camera mount about 8mm. So these optical formulas aren't likely going to become a consumer product. However, we do see patents for optical formulas that are merely trying to solve problems, and in the case of this one… size and weight.
Canon 20mm f/1.8
- Focal length 20.60mm
- F-number 1.85
- Half angle of view (degrees) 46.40°
- Image height 21.64mm
- Lens total length 88.73mm
- BF 11.72mm
Canon 24mm f/1.8
- Focal length 23.28mm
- F-number 1.85
- Half angle of view (degrees) 42.90°
- Image height 21.64mm
- Lens total length 93.32mm
- BF 12.72mm
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Since Sony and Sigma have great 20mm F1.4, I believe Canon should go the same way. I'd be in a market for such a lense, although I'm actually waiting on fast wide angle for nightsky/ nightscapes
Canon has been neglecting this important segment for too long, unlike Nikon, Sigma and even Sony.
Of course, they have developed many great lenses these competitors can only dream of, but it's good news to see them back with WA primes.
The Sigma EF glass is awesome with the Canon ND adapter however.
For me 24mm is normally as wide as I go with video that focuses on people or animals. After that I find that I spend, what I consider, too much time correcting distortion or trying to avoid the edge of the frame.
I also like using a fast 24mm for events and street photography because I feel like I can get the scene but also get some environmental portraits without switching to a 35, just keeps me moving more and changing lenses less. Ideally I would want a 24mm 1.2 or 1.4, but 1.8 works.
As for where the 20mm fits in, I primarily use it for landscape photography and in the city. I love the slight warping you get that can make a city seem towering and put a little more character into the straight lines of a rigid cityscape. It can also really make graffiti pop if you use it to frame your subject. For me 24mm just isn't quite wide enough in a lot of cases but I don't like the 16mm look as much. As for video I rarely use the 20mm, though I have used it in the past for filming skateboarding and a few shots in Denali National Park.
Obviously the lenses are still just a twinkle in the engineer's eye at this point and the characteristics could differ from my expectations but I have access to a Sony A7III and can't say enough good things about their 20mm 1.8 and 24mm 1.4 GM.
Aren't you guys jumping the gun a tad?
Data transfer pins on way?
Rectangular bottom lense ,problem solved :p
And extending bottom elements when you put lense and power on.
just don’t know about F number... F2 would be great, but probably to heavy/expensive, but maybe a F2.8 is possible