P30Pro Milky Way, Sunrise and random musings

Started 2 months ago | Discussions thread
The Davinator
The Davinator Forum Pro • Posts: 22,232
Re: P30Pro Milky Way, Sunrise and random musings

Van Nostrand wrote:

The Davinator wrote:

desertsp wrote:

The Davinator wrote:

desertsp wrote:

I don’t understand why it matters if the shutter closes for brief intervals over the 30 second period?

What is the practical consequence of that behavior? Or is it purely a benefit (avoiding blowouts, allowing stacking,)? Light trails having “gaps” is all I can think of.

A single exposure has lower noise than numerous stacked shots. That said, good results can be had from either.

Wouldn't noise be the same, given that noise is a function of the total number of photons “counted”?

You can just as accurately measure a volume of water using a many scoops in a small measuring cup, as you can measure it using a five gallon bucket?

Doesn't work that way. Stacked photos have higher noise...about 1.4 times.

Isn't the purpose of stacking in many cases is to reduce noise? With stacking one can employ 'median blending'.

Single exposures from say a Google phone or any smartphone in low light will be crazy noisy as it depends on a small sensor and super high iso, especially for quick shutter shots,

Cell phones are different than astro cams

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