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In-depth testing of the Sony A7III for astrophotography

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I put the new Sony A7III mirrorless camera through its paces for the features and functions we need to shoot the night sky. Sony’s A7III camera has enjoyed rave reviews since its introduction earlier in 2018. Most tests focus on its superb auto exposure and auto focus capabilities that rival much more costly cameras, including Sony’s own A7RIII and A9. 

For astrophotography, none of those auto functions are of any value. We shoot everything on manual. Indeed, the ease of manually focusing in Live View is a key function. 

Sony a7R III still eats stars, new reports say

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Recently, there was a report which gave astrophotographers some hope that the Sony’s “Star Eater” issue has been resolved. Still, after some new tests, it seems the problem still exists. The guys from DPReview have tested the spatial filtering in the new Sony a7R III along with Jim Kasson, and the results are not encouraging. According to their findings – Sony a7R III still eats stars.

Sony resolves the “Star Eater” issue in the new a7rIII?

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If you are an astrophotographer, then you may be familiar with the so-called “Star Eater” problem of Sony a7R II. The noise reduction algorithm of the camera mistakes sharp pinpoint stars for noise, so it deletes them from photos or reduces their brightness. But after open letters and complaints from astrophotographers – Sony seems to have fixed the issue in the new a7R III.

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