Focal lengths / Micro Four Thirds
10.5mm on Micro Four Thirds
Frames like 21mm on full frame: 79° across, 63.5° top to bottom.

A 21mm eq.

| A 10.5mm on Micro Four Thirds | |
|---|---|
| Focal length | 10.5mm |
| Full-frame equivalent | 21mm |
| Horizontal | 79° |
| Vertical | 63.5° |
| Diagonal | 91.7° |
| Sensor | Micro Four Thirds 17.3 × 13 mm |
| Crop factor | ×2 |
| Aspect ratio | 4:3 |
Same framing on other formats
The focal length that matches 21mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).
| Sensor | Focal length | Closest page |
|---|---|---|
| Medium format | 26.6mm | 28mm on Medium format |
| Full frame | 21mm | 21mm on Full frame |
| APS-C | 14mm | 14mm on APS-C |
| APS-C (Canon) | 13.1mm | 12mm on APS-C (Canon) |
| 1-inch | 7.8mm | — |
Primes at 10.5mm for Micro Four Thirds (1)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Voigtländer Nokton 10.5mm f/0.95 Aspherical (MFT) | 10.5mm | f/1 | Micro Four Thirds | 2015 |
Zooms that reach 10.5mm (7)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| OM System M.Zuiko 7-14mm f/2.8 PRO | 7–14mm | f/2.8 | Micro Four Thirds | 2015 |
| OM System M.Zuiko 8-25mm f/4 PRO | 8–25mm | f/4 | Micro Four Thirds | 2021 |
| OM System M.Zuiko 9-18mm f/4-5.6 | 9–18mm | f/4–5.6 | Micro Four Thirds | 2010 |
| OM System M.Zuiko 9-18mm f/4-5.6 II | 9–18mm | f/4–5.6 | Micro Four Thirds | 2024 |
| Panasonic Lumix G Vario 7-14mm f/4 ASPH. | 7–14mm | f/4 | Micro Four Thirds | 2009 |
| Panasonic Leica DG Vario-Elmarit 8-18mm f/2.8-4 ASPH. | 8–18mm | f/2.8–4 | Micro Four Thirds | 2017 |
| Panasonic Leica DG Vario-Summilux 10-25mm f/1.7 ASPH. | 10–25mm | f/1.7 | Micro Four Thirds | 2019 |