Focal lengths / APS-C
90mm on APS-C
Frames like 135mm on full frame: 14.9° across, 9.9° top to bottom.
A 135mm eq.
| A 90mm on APS-C | |
|---|---|
| Focal length | 90mm |
| Full-frame equivalent | 135mm |
| Horizontal | 14.9° |
| Vertical | 9.9° |
| Diagonal | 17.8° |
| 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 135mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).
| Sensor | Focal length | Closest page |
|---|---|---|
| Medium format | 170.9mm | — |
| Full frame | 135mm | 135mm on Full frame |
| APS-C (Canon) | 84.4mm | 85mm on APS-C (Canon) |
| Micro Four Thirds | 67.5mm | 60mm on Micro Four Thirds |
| 1-inch | 50mm | — |
Primes at 90mm for APS-C (4)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Fujifilm XF 90mm f/2 R LM WR | 90mm | f/2 | Fujifilm X | 2015 |
| Viltrox AF 90mm f/2.2 EVO (E) | 90mm | f/2.2 | Sony E | 2026 |
| Viltrox AF 90mm f/2.2 EVO (X) | 90mm | f/2.2 | Fujifilm X | 2026 |
| Viltrox AF 90mm f/2.2 EVO (Z) | 90mm | f/2.2 | Nikon Z | 2026 |
Zooms that reach 90mm (26)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Fujifilm XF 18-120mm f/4 LM PZ WR | 18–120mm | f/4 | Fujifilm X | 2022 |
| Fujifilm XF 18-135mm f/3.5-5.6 R LM OIS WR | 18–135mm | f/3.5–5.6 | Fujifilm X | 2014 |
| Fujifilm XF 50-140mm f/2.8 R LM OIS WR | 50–140mm | f/2.8 | Fujifilm X | 2014 |
| Fujifilm XF 55-200mm f/3.5-4.8 R LM OIS | 55–200mm | f/3.5–4.8 | Fujifilm X | 2013 |
| Fujifilm XF 70-300mm f/4-5.6 R LM OIS WR | 70–300mm | f/4–5.6 | Fujifilm X | 2021 |
| Leica APO-Vario-Elmar-TL 55-135mm f/3.5-4.5 ASPH. | 55–135mm | f/3.5–4.5 | L-Mount | 2014 |
| Nikon Z DX 18-140mm f/3.5-6.3 VR | 18–140mm | f/3.5–6.3 | Nikon Z | 2021 |
| Nikon Z DX 50-250mm f/4.5-6.3 VR | 50–250mm | f/4.5–6.3 | Nikon Z | 2019 |
| Sigma 16-300mm f/3.5-6.7 DC OS | C (E) | 16–300mm | f/3.5–6.7 | Sony E | 2025 |
| Sigma 50-120mm f/2.8 DC OS | C (E) | 50–120mm | f/2.8 | Sony E | 2026 |
| Sigma 16-300mm f/3.5-6.7 DC OS | C (L) | 16–300mm | f/3.5–6.7 | L-Mount | 2025 |
| Sigma 16-300mm f/3.5-6.7 DC OS | C (X) | 16–300mm | f/3.5–6.7 | Fujifilm X | 2025 |
| Sigma 50-120mm f/2.8 DC OS | C (X) | 50–120mm | f/2.8 | Fujifilm X | 2026 |
| Sigma 16-300mm f/3.5-6.7 DC OS | C (Z) | 16–300mm | f/3.5–6.7 | Nikon Z | 2026 |
| Sony E PZ 18-105mm f/4 G OSS | 18–105mm | f/4 | Sony E | 2013 |
| Sony E PZ 18-110mm f/4 G OSS | 18–110mm | f/4 | Sony E | 2016 |
| Sony E 18-135mm f/3.5-5.6 OSS | 18–135mm | f/3.5–5.6 | Sony E | 2018 |
| Sony E 18-200mm f/3.5-6.3 OSS | 18–200mm | f/3.5–6.3 | Sony E | 2010 |
| Sony E 18-200mm f/3.5-6.3 OSS LE | 18–200mm | f/3.5–6.3 | Sony E | 2012 |
| Sony E PZ 18-200mm f/3.5-6.3 OSS | 18–200mm | f/3.5–6.3 | Sony E | 2012 |
| Sony E 55-210mm f/4.5-6.3 OSS | 55–210mm | f/4.5–6.3 | Sony E | 2011 |
| Sony E 70-350mm f/4.5-6.3 G OSS | 70–350mm | f/4.5–6.3 | Sony E | 2019 |
| Tamron 18-200mm f/3.5-6.3 Di III VC (E) | 18–200mm | f/3.5–6.3 | Sony E | 2011 |
| Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD (E) | 18–300mm | f/3.5–6.3 | Sony E | 2021 |
| Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD (X) | 18–300mm | f/3.5–6.3 | Fujifilm X | 2021 |
| Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD (Z) | 18–300mm | f/3.5–6.3 | Nikon Z | 2025 |