Canon Patents Monstrous 1000mm f/5.6 IS DO Lens
Canon's got a fever, and the only prescription is more focal length. A new patent from the Japanese camera giant has surfaced that shows the formula for a monster of an EF lens: a 1000mm f/5.6 IS DO.
Canon's got a fever, and the only prescription is more focal length. A new patent from the Japanese camera giant has surfaced that shows the formula for a monster of an EF lens: a 1000mm f/5.6 IS DO.
Optical stabilization has slowly but surely continued to improve in recent years, but a new patent from Canon hints at a major change in the tech that may arrive in future lenses: instead of one image stabilized lens group, the patent describes a lens that uses two.
Here's a cool patent that gives new purpose to a camera accessory you don't hear talked about much: the body cap. Chances are you don't give your camera's body cap much thought, but the body cap Canon just patented would serve a dual purpose by not just keeping your sensor protected, but also cleaning the contacts on your lens mount in the process.
In what is, to our knowledge, Canon's third patent of the type, the Japanese camera giant has drawn up yet another lens that features a liquid lens element in between all the glass.
A few days back, the folks over at Egami spotted a new Canon PowerShot patent that, unlike most, piqued many photographers' interest. That's because this patent seems to show plans for a 100x (or rather almost 100x) superzoom camera.