![Figure 1 from Precise and unbiased estimation of astigmatism and defocus in transmission electron microscopy | Semantic Scholar Figure 1 from Precise and unbiased estimation of astigmatism and defocus in transmission electron microscopy | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/d3d2c0b8f2f53564059789ef429c82efc4ac0878/2-Figure1-1.png)
Figure 1 from Precise and unbiased estimation of astigmatism and defocus in transmission electron microscopy | Semantic Scholar
![Thon rings from amorphous ice and implications of beam-induced Brownian motion in single particle electron cryo-microscopy - ScienceDirect Thon rings from amorphous ice and implications of beam-induced Brownian motion in single particle electron cryo-microscopy - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S030439911500128X-gr1.jpg)
Thon rings from amorphous ice and implications of beam-induced Brownian motion in single particle electron cryo-microscopy - ScienceDirect
![Comparison of the Thon rings seen in the power spectra of images taken... | Download Scientific Diagram Comparison of the Thon rings seen in the power spectra of images taken... | Download Scientific Diagram](https://www.researchgate.net/publication/262920230/figure/fig2/AS:270277233868845@1441450522780/Comparison-of-the-Thon-rings-seen-in-the-power-spectra-of-images-taken-of-the-same-sample.png)
Comparison of the Thon rings seen in the power spectra of images taken... | Download Scientific Diagram
![Thon Rings of the Glacios reaching far beyond specs – Kastritis Laboratory for Biomolecular Research Thon Rings of the Glacios reaching far beyond specs – Kastritis Laboratory for Biomolecular Research](https://blogs.urz.uni-halle.de/kastritislab/files/2019/05/Thon-rings.png)
Thon Rings of the Glacios reaching far beyond specs – Kastritis Laboratory for Biomolecular Research
![Oli B. Clarke on Twitter: "@EugenePichkur ...but fit not optimal. Same issue with Gctf - can fit either protein or solvent Thon rings independently, not both together." / Twitter Oli B. Clarke on Twitter: "@EugenePichkur ...but fit not optimal. Same issue with Gctf - can fit either protein or solvent Thon rings independently, not both together." / Twitter](https://pbs.twimg.com/media/DCd5ZBBXkAEZXVT.jpg)