The latest edition of the Canon EOS R6 III adds 8 MP in resolution compared to the EOS R6 II, a CFexpress card slot and improved low-light autofocusing capability but do these upgrades actually benefit the astrophotographer?
Source: [Space.com](https://www.space.com/stargazing/astrophotography/how-much-better-is-the-canon-eos-r6-iii-than-previous-models-for-astrophotography)