Focal lengths / APS-C
13mm on APS-C
Frames like 19.5mm on full frame: 84.2° across, 61.9° top to bottom.
A 19.5mm eq.
| A 13mm on APS-C | |
|---|---|
| Focal length | 13mm |
| Full-frame equivalent | 19.5mm |
| Horizontal | 84.2° |
| Vertical | 61.9° |
| Diagonal | 94.7° |
| Sensor | APS-C 23.5 × 15.6 mm |
| Crop factor | ×1.5 |
| Aspect ratio | 3:2 |
Same framing on other formats
The focal length that matches 19.5mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).
| Sensor | Focal length | Closest page |
|---|---|---|
| Medium format | 24.7mm | 25mm on Medium format |
| Full frame | 19.5mm | 20mm on Full frame |
| APS-C (Canon) | 12.2mm | 12mm on APS-C (Canon) |
| Micro Four Thirds | 9.8mm | 10mm on Micro Four Thirds |
| 1-inch | 7.2mm | — |
Primes at 13mm for APS-C (3)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Viltrox AF 13mm f/1.4 (E) | 13mm | f/1.4 | Sony E | 2022 |
| Viltrox AF 13mm f/1.4 (X) | 13mm | f/1.4 | Fujifilm X | 2022 |
| Viltrox AF 13mm f/1.4 (Z) | 13mm | f/1.4 | Nikon Z | 2022 |
Zooms that reach 13mm (22)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Fujifilm XF 8-16mm f/2.8 R LM WR | 8–16mm | f/2.8 | Fujifilm X | 2018 |
| Fujifilm XF 10-24mm f/4 R OIS | 10–24mm | f/4 | Fujifilm X | 2013 |
| Fujifilm XF 10-24mm f/4 R OIS WR | 10–24mm | f/4 | Fujifilm X | 2020 |
| Fujifilm XC 13-33mm f/3.5-6.3 OIS | 13–33mm | f/3.5–6.3 | Fujifilm X | 2025 |
| Laowa 8-16mm f/3.5-5 Zoom CF (E) | 8–16mm | f/3.5–5 | Sony E | 2023 |
| Laowa 12-24mm f/5.6 Zoom Shift CF (E) | 12–24mm | f/5.6 | Sony E | 2024 |
| Laowa 12-24mm f/5.6 Zoom Shift CF (L) | 12–24mm | f/5.6 | L-Mount | 2024 |
| Laowa 8-16mm f/3.5-5 Zoom CF (X) | 8–16mm | f/3.5–5 | Fujifilm X | 2023 |
| Laowa 12-24mm f/5.6 Zoom Shift CF (X) | 12–24mm | f/5.6 | Fujifilm X | 2024 |
| Laowa 8-16mm f/3.5-5 Zoom CF (Z) | 8–16mm | f/3.5–5 | Nikon Z | 2023 |
| Laowa 12-24mm f/5.6 Zoom Shift CF (Z) | 12–24mm | f/5.6 | Nikon Z | 2024 |
| Leica Super-Vario-Elmar-TL 11-23mm f/3.5-4.5 ASPH. | 11–23mm | f/3.5–4.5 | L-Mount | 2014 |
| Nikon Z DX 12-28mm f/3.5-5.6 PZ VR | 12–28mm | f/3.5–5.6 | Nikon Z | 2023 |
| Sigma 10-18mm f/2.8 DC DN | C (E) | 10–18mm | f/2.8 | Sony E | 2023 |
| Sigma 10-18mm f/2.8 DC DN | C (L) | 10–18mm | f/2.8 | L-Mount | 2023 |
| Sigma 10-18mm f/2.8 DC DN | C (X) | 10–18mm | f/2.8 | Fujifilm X | 2023 |
| Sony E 10-18mm f/4 OSS | 10–18mm | f/4 | Sony E | 2012 |
| Sony E PZ 10-20mm f/4 G | 10–20mm | f/4 | Sony E | 2022 |
| Tamron 11-20mm f/2.8 Di III-A RXD (E) | 11–20mm | f/2.8 | Sony E | 2021 |
| Tamron 11-20mm f/2.8 Di III-A RXD (X) | 11–20mm | f/2.8 | Fujifilm X | 2023 |
| Tokina atx-m 11-18mm f/2.8 E | 11–18mm | f/2.8 | Sony E | 2022 |
| Tokina atx-m 11-18mm f/2.8 X | 11–18mm | f/2.8 | Fujifilm X | 2025 |