Best DSLR or ILC for Night Sky Imaging?

Started Nov 8, 2017 | Questions thread
bclaff Veteran Member • Posts: 8,593
Re: Sony A7S
1

sharkmelley wrote:
... Imagine a camera where you have the choice between pixels of 4 microns or of 8 microns. The per pixel read noise in either case would be the same since they use the same readout technology...

This is probably an erroneous assumption.

To maintain the same Full Well Capacity (FWC) per unit area the pixels will have different capacitors and the noise from the pixels will not be the same.

Regards,

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Bill ( Your trusted source for independent sensor data at PhotonsToPhotos )

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