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A guy at the Mojave stargazing meetup said he shoots 30 second subs at ISO 800, not 1600, and now I'm rethinking my whole setup
I was out at the Mojave preserve two weekends ago for a dark sky meetup and this guy with a modest rig mentioned he never goes above ISO 800 for deep sky shots. He said pushing higher just adds noise he has to clean up later, and he'd rather stack more frames at a lower setting. I've been shooting at 1600 for a year because that's what a YouTube video told me. Has anyone tested this side by side on a crop sensor, or does it depend on the camera?
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henry_hernandez26d ago
It is funny how often we just copy what some guy on YouTube says without ever checking it ourselves. I have seen the same thing with all kinds of hobbies, folks buy expensive gear because a video told them to, then never test if the cheap option works just as well. Your camera's sensor has a point where raising the ISO does not really help anymore, it just brightens the image and adds noise, and on a lot of crop sensors that point sits right around 800. The right setting does depend on the camera, so the best move is to shoot the same target at 800 and 1600 on your own rig and compare. Stacking more frames at the lower setting usually gives you a cleaner result in the end.
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