corpus.blog
41554 blogs · [ { "id": "01a087bf-1bed-7084-b2c7-49e0266ce071", "title": "Before the Lens, There Was the Glass", "url": "https://www.pencilofrays.com/optical-materials/", "published_at": "2026-09-09T12:09:31+00:00" }, { "id": "01a087bf-1bf3-7381-a081-fe656ffc2d4f", "title": "What’s in a Name? Where Camera Companies Got Their Names", "url": "https://www.pencilofrays.com/names-camera-companies/", "published_at": "2026-07-29T08:08:00+00:00" }, { "id": "01a087bf-1bf4-717a-a77e-fb09a6c96ea2", "title": "What’s in a Lens Name? The Famous Lens Names", "url": "https://www.pencilofrays.com/lens-names/", "published_at": "2026-07-29T07:59:03+00:00" }, { "id": "01a087bf-1bf4-717a-a77e-fb09a73d18da", "title": "What’s in a Name? The Optical Words We Use Every Day", "url": "https://www.pencilofrays.com/names-optics/", "published_at": "2026-07-28T12:52:12+00:00" }, { "id": "01a087bf-1bf4-717a-a77e-fb09a82042c4", "title": "The Eras of Optics: A Tour Through the People Who Built the Field", "url": "https://www.pencilofrays.com/optics-eras/", "published_at": "2026-06-10T08:00:39+00:00" }, { "id": "01a087bf-1bf4-717a-a77e-fb09a883b1c7", "title": "Remembering John Greivenkamp", "url": "https://www.pencilofrays.com/remembering-john-greivenkamp/", "published_at": "2026-06-09T02:17:36+00:00" }, { "id": "01a087bf-1bf4-717a-a77e-fb09a8cbc45d", "title": "Aachen Polymer Optics Days 2022 conference report. This time I presented!", "url": "https://www.pencilofrays.com/aachen-polymer-optics-days-2022/", "published_at": "2022-06-16T13:21:12+00:00" }, { "id": "01a087bf-1bf4-717a-a77e-fb09a90b456b", "title": "Academic institutes that specialize in Optics: Utsunomiya University.", "url": "https://www.pencilofrays.com/core-utsunomiya-university/", "published_at": "2019-04-07T07:15:02+00:00" }, { "id": "01a087bf-1bf4-717a-a77e-fb09a927def8", "title": "How to apply logic to your optical lens design process.", "url": "https://www.pencilofrays.com/lens-design-logic/", "published_at": "2019-02-24T06:23:13+00:00" }, { "id": "01a087bf-1bf4-717a-a77e-fb09a990ea18", "title": "12 steps to learn lens design (so you become awesome at work).", "url": "https://www.pencilofrays.com/12-steps-lens-design/", "published_at": "2019-02-12T12:05:55+00:00" }, { "id": "01a0bdcd-1601-7372-b99c-48ad5f3540bd", "title": "I attended the ODF ’18 Lens Design Conference :)", "url": "https://www.pencilofrays.com/odf-18-conference/", "published_at": "2019-01-30T13:49:27+00:00" }, { "id": "01a0bdcd-1602-7343-b472-09bbbdbf9cff", "title": "The Ultimate Guide to Lens Design Forms: The types of optical systems in a lens designer’s toolbox", "url": "https://www.pencilofrays.com/lens-design-forms/", "published_at": "2018-12-17T06:42:30+00:00" }, { "id": "01a0bdcd-1602-7343-b472-09bbbe1a699f", "title": "Comparison of the Double Gauss and Sonnar lens designs.", "url": "https://www.pencilofrays.com/double-gauss-sonnar-comparison/", "published_at": "2018-10-11T06:25:30+00:00" }, { "id": "01a0bdcd-1602-7343-b472-09bbbe444dab", "title": "The evolution of the landscape lens – from Wollaston to the Protar", "url": "https://www.pencilofrays.com/landscape-lens-evolution/", "published_at": "2018-09-07T03:00:43+00:00" }, { "id": "01a0bdcd-1602-7343-b472-09bbbe8d1211", "title": "Inside the thin lens design and colour correction of the achromatic doublet", "url": "https://www.pencilofrays.com/achromatic-doublet-colour-correction/", "published_at": "2018-08-05T10:39:42+00:00" }, { "id": "01a0bdcd-1602-7343-b472-09bbbed7cdcf", "title": "I presented at the ODG63 lens design conference.", "url": "https://www.pencilofrays.com/odg63/", "published_at": "2018-06-21T06:55:29+00:00" }, { "id": "01a0bdcd-1602-7343-b472-09bbbfcb0b36", "title": "Leonardo da Vinci: The intersection of art and science, and lens design.", "url": "https://www.pencilofrays.com/leonardo-da-vinci-lens-design/", "published_at": "2018-06-04T05:33:10+00:00" }, { "id": "01a0bdcd-1602-7343-b472-09bbc0180be3", "title": "I participated in the Aachen Polymer Optics Days 2018 conference. It was a blast!", "url": "https://www.pencilofrays.com/aachen-polymer-optics-days-2018/", "published_at": "2018-05-15T07:43:12+00:00" }, { "id": "01a0bdcd-1602-7343-b472-09bbc0fe78db", "title": "How to use a specification “cheat sheet” for your lens design.", "url": "https://www.pencilofrays.com/specification-cheat-sheet/", "published_at": "2018-02-05T15:00:01+00:00" }, { "id": "01a0bdcd-1602-7343-b472-09bbc10246ff", "title": "The Ultimate Guide to Lens Design Using the Classic Spreadsheet Method", "url": "https://www.pencilofrays.com/lens-design-spreadsheet/", "published_at": "2017-09-22T05:51:42+00:00" } ] posts Claim your blog
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2026

Before the Lens, There Was the Glassoriginal ↗
9 Sept 2026
What’s in a Name? Where Camera Companies Got Their Namesoriginal ↗
29 Jul 2026
What’s in a Lens Name? The Famous Lens Namesoriginal ↗
29 Jul 2026
What’s in a Name? The Optical Words We Use Every Dayoriginal ↗
28 Jul 2026
The Eras of Optics: A Tour Through the People Who Built the Fieldoriginal ↗
10 Jun 2026
Remembering John Greivenkamporiginal ↗
9 Jun 2026

2022

Aachen Polymer Optics Days 2022 conference report. This time I presented!original ↗
16 Jun 2022

2019

Academic institutes that specialize in Optics: Utsunomiya University.original ↗
7 Apr 2019
How to apply logic to your optical lens design process.original ↗
24 Feb 2019
12 steps to learn lens design (so you become awesome at work).original ↗
12 Feb 2019
I attended the ODF ’18 Lens Design Conference :)original ↗
30 Jan 2019

2018

The Ultimate Guide to Lens Design Forms: The types of optical systems in a lens designer’s toolboxoriginal ↗
17 Dec 2018
Comparison of the Double Gauss and Sonnar lens designs.original ↗
11 Oct 2018
The evolution of the landscape lens – from Wollaston to the Protaroriginal ↗
7 Sept 2018
Inside the thin lens design and colour correction of the achromatic doubletoriginal ↗
5 Aug 2018
I presented at the ODG63 lens design conference.original ↗
21 Jun 2018
Leonardo da Vinci: The intersection of art and science, and lens design.original ↗
4 Jun 2018
I participated in the Aachen Polymer Optics Days 2018 conference. It was a blast!original ↗
15 May 2018
How to use a specification “cheat sheet” for your lens design.original ↗
5 Feb 2018

2017

The Ultimate Guide to Lens Design Using the Classic Spreadsheet Methodoriginal ↗
22 Sept 2017