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Love the comment Colin! By the way, it was easier to me to understandthan your first 😀. . Would it be simply a better resolution of the same object then, it would also be brighter to look at? The tract in the book kind of threw me.
I understand how an increase in magnification makes the image dimmer, and how a focal ratio is calculated, how a imaging device builds up the light over time exposure, the very basics etc. Beyond that I'm wading through murky waters, so I thanks guys for the input. I also saw written recently that the way f ratio works in a telescope is different to how it works in a camera. I'll have to look that one up, as I'm pretty sure it's the same principle.? Both are effectively lenses.
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