Panasonic: LUMIX Lens Development Stories
Panasonic publishes lens-development material across several official regional and global collections. The most extensive is This Is the Optical Design Department, whose engineers explain the optical designs, mechanical constraints, and image-rendering goals behind individual LUMIX lenses.
This Is the Optical Design Department
| Edition | Lens or subject | Official article | Surface & Stop |
|---|---|---|---|
| 14 | LEICA DG VARIO-ELMARIT 35–100mm F2.8 POWER O.I.S. | Read at Panasonic (Japanese) | — |
| 13 | LUMIX S 100mm F2.8 MACRO | Read at Panasonic (Japanese) | — |
| 12 | LEICA DG VARIO-ELMAR 100–400mm F4.0–6.3 II ASPH. POWER O.I.S. | Read at Panasonic (Japanese) | — |
| 11 | LEICA DG VARIO-ELMARIT 12–60mm F2.8–4.0 ASPH. POWER O.I.S. | Read at Panasonic | — |
| 10 | LEICA DG VARIO-ELMARIT 12–35mm F2.8 ASPH. POWER O.I.S. | Read at Panasonic | — |
| 9 | LUMIX S 24–105mm F4 MACRO O.I.S. | Read at Panasonic | S 24–105mm F4 MACRO O.I.S. |
| 8 | LUMIX S 18–40mm F4.5–6.3 | Read at Panasonic | — |
| 7 | LUMIX S 20–60mm F3.5–5.6 | Read at Panasonic | S 20–60mm |
| 6 | LUMIX S 14–28mm F4–5.6 MACRO | Read at Panasonic | LUMIX S 14–28mm F4–5.6 MACRO |
| 5 | LUMIX S F1.8 prime series | Read at Panasonic | S 35mm F1.8 |
| 4 | LUMIX S 70–300mm F4.5–5.6 MACRO O.I.S. | Read at Panasonic | S 70–300mm F4.5–5.6 MACRO O.I.S. |
| 3 | LUMIX S PRO 70–200mm F2.8 O.I.S. | Read at Panasonic | S PRO 70–200mm F2.8 O.I.S. |
| 2 | LUMIX S PRO 24–70mm F2.8 | Read at Panasonic | S PRO 24–70mm F2.8 |
| 1 | LUMIX S PRO 50mm F1.4 | Read at Panasonic | S PRO 50mm F1.4 |
The fifth edition covers five F1.8 primes. Its Surface & Stop link points specifically to the exact 35mm lens currently in the catalog.
The series first appears in Japanese as こちら、光学設計部 on Panasonic's official LUMIX Magazine. Editions 12 to 14, published there between September 2025 and July 2026, are linked to those Japanese originals because no English edition could be confirmed.
LUMIX S 20–60mm Development Story
The global LUMIX Blog also devoted a three-part development story to the LUMIX S 20–60mm F3.5–5.6. These chapters cover product planning, optical and mechanical design, and video-oriented engineering.
| Chapter | Official article |
|---|---|
| Part 1 — Creating a completely new standard zoom lens | Read at Panasonic |
| Part 2 — Optical design efforts for high image quality and a compact size | Read at Panasonic |
| Part 3 — Uncompromising video performance | Read at Panasonic |
Open the LUMIX S 20–60mm F3.5–5.6 on Surface & Stop.
LEICA DG Lens Story
LEICA DG Lens Story — The Quest for Changing Photography describes the development background, design aims, optical engineering, and supporting technologies behind three Micro Four Thirds lenses.
| Story | Lens | Official article | Surface & Stop |
|---|---|---|---|
| 1 | LEICA DG VARIO-ELMAR 100–400mm F4.0–6.3 ASPH. POWER O.I.S. | Read at Panasonic | — |
| 2 | LEICA DG NOCTICRON 42.5mm F1.2 ASPH. POWER O.I.S. | Read at Panasonic | Nocticron 42.5mm F1.2 |
| 3 | LEICA DG SUMMILUX 12mm F1.4 ASPH. | Read at Panasonic | Summilux 12mm F1.4 |
Standalone LUMIX Lens Stories
Panasonic's regional LUMIX sites also host two substantial developer-written features outside the numbered collections.
| Lens | Official article | Surface & Stop |
|---|---|---|
| LUMIX S 100mm F2.8 MACRO | How the 100mm F2.8 Macro Became the World's Smallest and Lightest Macro Lens | — |
| LUMIX S 28–200mm F4–7.1 MACRO O.I.S. | Discover the LUMIX S 28–200mm F4–7.1 MACRO O.I.S. | — |
Additional Lens Development
The four-part LUMIX LX100 development story treats the camera and its fixed 24–75mm-equivalent F1.7–2.8 zoom as one integrated design.
| Chapter | Official article |
|---|---|
| 1 — The Heart of the LUMIX LX100 | Read at Panasonic |
| 2 — The Mission of the 4/3-inch Sensor | Read at Panasonic |
| 3 — Great Lens, Compact Body | Read at Panasonic |
| 4 — Designed for Enjoyment | Read at Panasonic |
Open the LEICA DC VARIO-SUMMILUX 10.9–34mm F1.7–2.8 ASPH. on Surface & Stop. The catalog prescription is the shared LX100 and LX100 II optic, so it is the same lens the development story describes.
Finally, Original and Forward-Looking Lens Development is a system-level interview about the design philosophy and engineering of Panasonic's first full-frame LUMIX S lenses. It is included separately because it is not devoted to a single lens.
The broader LUMIX Blog index contains additional camera and technology development stories. This page remains focused on lens development.