Difference between revisions of Chromatic Aberration
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[[File:Lens materials and optical quality chart.png|Lens materials and optical quality chart]] | |||
[https://community.endmyopia.org/t/lens-materials-and-optical-quality-chart/4415 chart created by steadicat] | |||
=== Tradeoff Between Chromatic Aberration vs Distortion === | |||
When choosing lens index, remember to take into account overall distortion at the edges of the lens. Too much overall distortion may make it difficult to view the edges of the lenses. | |||
[https://endmyopia.org/need-high-index-lenses/ EndMyopia: Do You Need High Index Lenses?] | |||
The following vendor articles may be of interest: | |||
* [https://www.zennioptical.com/glasses-lenses Zenni] | |||
* [https://www.eyebuydirect.com/prescription-lens/lens-index EyeBuyDirect] | |||
* [https://www.selectspecs.com/guides/lenses/single-vision/ SelectSpecs] | |||
* [https://www.framesbuy.com/trends/lens-index/ FramesBuy] | |||
Anecdotally from the forums, -3 is a balanced cutoff range for CR-39 where one can take advantage of higher abbe and competitive cost, without experiencing too much distortion at lens edges. Outside of that range, consider higher index lenses to minimize distortion. | |||
==References== | ==References== | ||