Focal lengths / Full frame
66mm on Full frame
Frames like 66mm on full frame: 30.5° across, 20.6° top to bottom.
A 66mm eq.
| A 66mm on Full frame | |
|---|---|
| Focal length | 66mm |
| Full-frame equivalent | 66mm |
| Horizontal | 30.5° |
| Vertical | 20.6° |
| Diagonal | 36.3° |
| Sensor | Full frame 36 × 24 mm |
| Crop factor | ×1 |
| Aspect ratio | 3:2 |
Same framing on other formats
The focal length that matches 66mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).
| Sensor | Focal length | Closest page |
|---|---|---|
| Medium format | 83.5mm | 85mm on Medium format |
| APS-C | 44mm | 40mm on APS-C |
| APS-C (Canon) | 41.3mm | — |
| Micro Four Thirds | 33mm | 30mm on Micro Four Thirds |
| 1-inch | 24.4mm | — |
Primes at 66mm for Full frame (1)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Leica Summicron-M 66mm f/2 | 66mm | f/2 | Leica M | 2026 |
Zooms that reach 66mm (59)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Canon RF 24-70mm f/2.8L IS USM | 24–70mm | f/2.8 | Canon RF | 2019 |
| Canon RF 24-105mm f/4L IS USM | 24–105mm | f/4 | Canon RF | 2018 |
| Canon RF 24-105mm f/4-7.1 IS STM | 24–105mm | f/4–7.1 | Canon RF | 2020 |
| Canon RF 24-105mm f/2.8L IS USM Z | 24–105mm | f/2.8 | Canon RF | 2023 |
| Canon RF 24-240mm f/4-6.3 IS USM | 24–240mm | f/4–6.3 | Canon RF | 2019 |
| Canon RF 28-70mm f/2L USM | 28–70mm | f/2 | Canon RF | 2018 |
| Canon RF 28-70mm f/2.8 IS STM | 28–70mm | f/2.8 | Canon RF | 2024 |
| Leica Vario-Elmarit-SL 24-90mm f/2.8-4 ASPH. | 24–90mm | f/2.8–4 | L-Mount | 2015 |
| Leica Vario-Elmarit-SL 24-70mm f/2.8 ASPH. | 24–70mm | f/2.8 | L-Mount | 2021 |
| Leica Vario-Elmarit-SL 28-70mm f/2.8 ASPH. | 28–70mm | f/2.8 | L-Mount | 2025 |
| Nikon Z 24-70mm f/2.8 S | 24–70mm | f/2.8 | Nikon Z | 2019 |
| Nikon Z 24-70mm f/2.8 S II | 24–70mm | f/2.8 | Nikon Z | 2025 |
| Nikon Z 24-70mm f/4 S | 24–70mm | f/4 | Nikon Z | 2018 |
| Nikon Z 24-105mm f/4-7.1 | 24–105mm | f/4–7.1 | Nikon Z | 2026 |
| Nikon Z 24-120mm f/4 S | 24–120mm | f/4 | Nikon Z | 2021 |
| Nikon Z 24-200mm f/4-6.3 VR | 24–200mm | f/4–6.3 | Nikon Z | 2020 |
| Nikon Z 28-135mm f/4 PZ | 28–135mm | f/4 | Nikon Z | 2025 |
| Nikon Z 28-400mm f/4-8 VR | 28–400mm | f/4–8 | Nikon Z | 2024 |
| Nikon Z 28-75mm f/2.8 | 28–75mm | f/2.8 | Nikon Z | 2021 |
| Panasonic Lumix S 24-105mm f/4 Macro O.I.S. | 24–105mm | f/4 | L-Mount | 2019 |
| Panasonic Lumix S Pro 24-70mm f/2.8 | 24–70mm | f/2.8 | L-Mount | 2019 |
| Panasonic Lumix S 28-200mm f/4-7.1 Macro O.I.S. | 28–200mm | f/4–7.1 | L-Mount | 2024 |
| Samyang AF 24-70mm f/2.8 FE | 24–70mm | f/2.8 | Sony E | 2021 |
| Samyang AF 35-150mm f/2-2.8 FE | 35–150mm | f/2–2.8 | Sony E | 2023 |
| Samyang AF 60-180mm f/2.8 FE | 60–180mm | f/2.8 | Sony E | 2026 |
| Samyang AF 35-150mm f/2-2.8 L | 35–150mm | f/2–2.8 | L-Mount | 2024 |
| Samyang AF 60-180mm f/2.8 L | 60–180mm | f/2.8 | L-Mount | 2026 |
| Sigma 20-200mm f/3.5-6.3 DG | C (E) | 20–200mm | f/3.5–6.3 | Sony E | 2025 |
| Sigma 28-70mm f/2.8 DG DN | C (E) | 28–70mm | f/2.8 | Sony E | 2021 |
| Sigma 20-200mm f/3.5-6.3 DG | C (L) | 20–200mm | f/3.5–6.3 | L-Mount | 2025 |
| Sigma 24-70mm f/2.8 DG DN | A (L) | 24–70mm | f/2.8 | L-Mount | 2019 |
| Sigma 24-70mm f/2.8 DG DN II | A (L) | 24–70mm | f/2.8 | L-Mount | 2024 |
| Sigma 28-105mm f/2.8 DG DN | A (L) | 28–105mm | f/2.8 | L-Mount | 2024 |
| Sigma 28-70mm f/2.8 DG DN | C (L) | 28–70mm | f/2.8 | L-Mount | 2021 |
| Sigma 60-600mm f/4.5-6.3 DG DN OS | S (L) | 60–600mm | f/4.5–6.3 | L-Mount | 2023 |
| Sony FE 20-70mm f/4 G | 20–70mm | f/4 | Sony E | 2023 |
| Sony FE 24-70mm f/2.8 GM | 24–70mm | f/2.8 | Sony E | 2016 |
| Sony FE 24-70mm f/2.8 GM II | 24–70mm | f/2.8 | Sony E | 2022 |
| Sony Vario-Tessar T* FE 24-70mm f/4 ZA OSS | 24–70mm | f/4 | Sony E | 2013 |
| Sony FE 24-105mm f/4 G OSS | 24–105mm | f/4 | Sony E | 2017 |
| Sony FE 24-240mm f/3.5-6.3 OSS | 24–240mm | f/3.5–6.3 | Sony E | 2015 |
| Sony FE 28-70mm f/3.5-5.6 OSS | 28–70mm | f/3.5–5.6 | Sony E | 2013 |
| Sony FE 28-70mm f/3.5-5.6 OSS II | 28–70mm | f/3.5–5.6 | Sony E | 2025 |
| Sony FE 28-70mm f/2 GM | 28–70mm | f/2 | Sony E | 2024 |
| Sony FE PZ 28-135mm f/4 G OSS | 28–135mm | f/4 | Sony E | 2014 |
| Sony FE 50-150mm f/2 GM | 50–150mm | f/2 | Sony E | 2025 |
| Tamron 25-200mm f/2.8-5.6 Di III VXD G2 (E) | 25–200mm | f/2.8–5.6 | Sony E | 2025 |
| Tamron 28-75mm f/2.8 Di III RXD (E) | 28–75mm | f/2.8 | Sony E | 2018 |
| Tamron 28-200mm f/2.8-5.6 Di III RXD (E) | 28–200mm | f/2.8–5.6 | Sony E | 2020 |
| Tamron 28-75mm f/2.8 Di III VXD G2 (E) | 28–75mm | f/2.8 | Sony E | 2021 |
| Tamron 28-300mm f/4-7.1 Di III VC VXD (E) | 28–300mm | f/4–7.1 | Sony E | 2024 |
| Tamron 35-150mm f/2-2.8 Di III VXD (E) | 35–150mm | f/2–2.8 | Sony E | 2021 |
| Tamron 35-100mm f/2.8 Di III VXD (E) | 35–100mm | f/2.8 | Sony E | 2026 |
| Tamron 50-400mm f/4.5-6.3 Di III VC VXD (E) | 50–400mm | f/4.5–6.3 | Sony E | 2022 |
| Tamron 50-300mm f/4.5-6.3 Di III VC VXD (E) | 50–300mm | f/4.5–6.3 | Sony E | 2024 |
| Tamron 28-75mm f/2.8 Di III VXD G2 (Z) | 28–75mm | f/2.8 | Nikon Z | 2024 |
| Tamron 35-150mm f/2-2.8 Di III VXD (Z) | 35–150mm | f/2–2.8 | Nikon Z | 2023 |
| Tamron 35-100mm f/2.8 Di III VXD (Z) | 35–100mm | f/2.8 | Nikon Z | 2026 |
| Tamron 50-400mm f/4.5-6.3 Di III VC VXD (Z) | 50–400mm | f/4.5–6.3 | Nikon Z | 2024 |