Quote:
Originally Posted by Peter Ward
All you will get is a wider field of view over the same sensor. Unless you increase the aperture you will not be collecting more flux.
Google Stan Moore F ratio myth
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I guess then the laws of physics somehow do not apply here, and my direct experience with these two f-ratios with my scope n camera, where I could easily see stronger flux per pixel per unit of time at f/4.5 as opposed to f/6 (confirmed by SNR measurements with PI) are either my imagination or camera n PI are “playing Jedi mind tricks’...google does not provide answers to all questions Peter
So if we take a glass window (simulating a very large 1m aperture with loooong focal length), it clearly will be putting photons on a pixel behind the window much more slowly than a 4” strongly converging lens (small aperture fast f-ratio) placed in front of the same pixel.
Let’s create a new myth - “larger aperture is always faster”...