What really makes big sensors produce more appealing images? *Serious*

Started 9 months ago | Discussions thread
69chevy
Senior MemberPosts: 1,534
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Re: Smoother, more natural, richer, better tonality
In reply to papillon_65, 9 months ago

papillon_65 wrote:

Ontario Gone wrote:

papillon_65 wrote:

in the case of FF vs m4/3's that will be 4 times more light at equal apertures. That translates into better colour depth and hence the appearance of a richer, smoother look.

Ok so help me understand this thing with BOB. You just said exactly what i picture in my head. FF will receive 4x more light than a MFT at equal F stops and equal SS, because at equal F stops the aperture itself isn't really equal. How on earth, with a 4x light advantage, can they get the same SS unless the gain is different? If they are both at ISO 200, both at F2, both at 1/100 SS, and the FF has 2 stops less noise, doesn't it have to be because the gain on the FF was less than the other one? How else would the smaller sensor get those two stops of SS back?

It's a good question and I'd like to know the answer as well

Feel free to read my post about the buckets and surface area.

A cup and a bucket will collect 1" of water in a rain storm at exactly the same rate.

Photodiodes are no different except they dont catch rain, they interact with photons.

They fill at the same rate, yet the bigger ones collect more (quantity not energy) of light.

The FF pixels are bigger, so they get more light like the bucket gets more (quantity of) rain, however the levels (fullness in inches or charge if you are a pixel) are the same.

Thats how the smaller pixels reach the same exposure with less light. Because less is referring to quantity, not energy.

Don't forget, light is not a particle, but for visualization, it can be thought of as one.

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