by Richard | Sep 13, 2023 | Uncategorized
I recall back to the film days and using the glorious little 55 and 56mm primes. Hardly anyone makes them anymore which I think is a sad state of affairs. Needless to say, this patent application got me a bit intrigued for that very reason. While Canon certainly made...
by Richard | Sep 12, 2023 | Uncategorized
This patent application (Japan 2023-125903) has a lot of esoteric fast zoom lenses in some very nontraditional focal lengths. Many of the embodiments are missing the image height, however since we also have the half angle of view, we can work backward to verify if...
by Richard | Sep 7, 2023 | Uncategorized
In this patent application (2023-125584), Canon is attempting to design lightweight telephotos with good optical characteristics. First up we have some full-frame telephotos ranging from a 4x 200-800 F5.6-9 to a 6x 100-600mm F5.6-9. The designs are interesting, but...
by Richard | Sep 5, 2023 | Uncategorized
I don’t know how many of you followed me back on my older site, but I was always talking about Canon’s SPAD (Single Photon Avalanche Diode) image sensor patent applications – so much so that I thought Canon was starting to troll me. Needless to say...
by Richard | Sep 5, 2023 | Uncategorized
I have no idea if that’s a good title, but we’ll go with it. Y’all can raze me in the forums. Consider a photo where you have the desire to have motion blur, but also have a main subject. Usually that involves some sort of composite, or if the motion...