Field of View

Focal lengths / APS-C

40mm on APS-C

Frames like 60mm on full frame: 32.7° across, 22.1° top to bottom.

Reference photo: Forest
A 60mm eq.
The scene as framed by 40mm APS-C
A What 40mm APS-C sees
A 40mm on APS-C
Focal length40mm
Full-frame equivalent60mm
Horizontal32.7°
Vertical22.1°
Diagonal38.8°
SensorAPS-C 23.5 × 15.6 mm
Crop factor×1.5
Aspect ratio3:2

Compare it with another setup →

Same framing on other formats

The focal length that matches 60mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).

SensorFocal lengthClosest page
Medium format75.9mm75mm on Medium format
Full frame60mm60mm on Full frame
APS-C (Canon)37.5mm35mm on APS-C (Canon)
Micro Four Thirds30mm30mm on Micro Four Thirds
1-inch22.2mm—

Primes at 40mm for APS-C (4)

LensFocalApertureMountYear
TTArtisan APS-C 40mm f/2.8 Macro (E)40mmf/2.8Sony E2021
TTArtisan APS-C 40mm f/2.8 Macro (MFT)40mmf/2.8Micro Four Thirds2021
TTArtisan APS-C 40mm f/2.8 Macro (X)40mmf/2.8Fujifilm X2021
TTArtisan APS-C 40mm f/2.8 Macro (Z)40mmf/2.8Nikon Z2021
Zooms that reach 40mm (44)
LensFocalApertureMountYear
Fujifilm XC 15-45mm f/3.5-5.6 OIS PZ15–45mmf/3.5–5.6Fujifilm X2018
Fujifilm XF 16-50mm f/2.8-4.8 R LM WR16–50mmf/2.8–4.8Fujifilm X2024
Fujifilm XF 16-55mm f/2.8 R LM WR16–55mmf/2.8Fujifilm X2015
Fujifilm XF 16-55mm f/2.8 R LM WR II16–55mmf/2.8Fujifilm X2024
Fujifilm XF 16-80mm f/4 R OIS WR16–80mmf/4Fujifilm X2019
Fujifilm XC 16-50mm f/3.5-5.6 OIS II16–50mmf/3.5–5.6Fujifilm X2015
Fujifilm XF 18-55mm f/2.8-4 R LM OIS18–55mmf/2.8–4Fujifilm X2012
Fujifilm XF 18-120mm f/4 LM PZ WR18–120mmf/4Fujifilm X2022
Fujifilm XF 18-135mm f/3.5-5.6 R LM OIS WR18–135mmf/3.5–5.6Fujifilm X2014
Leica Vario-Elmar-TL 18-56mm f/3.5-5.6 ASPH.18–56mmf/3.5–5.6L-Mount2014
Nikon Z DX 16-50mm f/3.5-6.3 VR16–50mmf/3.5–6.3Nikon Z2019
Nikon Z DX 16-50mm f/2.8 VR16–50mmf/2.8Nikon Z2025
Nikon Z DX 18-140mm f/3.5-6.3 VR18–140mmf/3.5–6.3Nikon Z2021
Sigma 16-300mm f/3.5-6.7 DC OS | C (E)16–300mmf/3.5–6.7Sony E2025
Sigma 17-40mm f/1.8 DC | A (E)17–40mmf/1.8Sony E2025
Sigma 18-50mm f/2.8 DC DN | C (E)18–50mmf/2.8Sony E2021
Sigma 16-300mm f/3.5-6.7 DC OS | C (L)16–300mmf/3.5–6.7L-Mount2025
Sigma 17-40mm f/1.8 DC | A (L)17–40mmf/1.8L-Mount2025
Sigma 18-50mm f/2.8 DC DN | C (L)18–50mmf/2.8L-Mount2021
Sigma 16-300mm f/3.5-6.7 DC OS | C (X)16–300mmf/3.5–6.7Fujifilm X2025
Sigma 17-40mm f/1.8 DC | A (X)17–40mmf/1.8Fujifilm X2025
Sigma 18-50mm f/2.8 DC DN | C (X)18–50mmf/2.8Fujifilm X2022
Sigma 16-300mm f/3.5-6.7 DC OS | C (Z)16–300mmf/3.5–6.7Nikon Z2026
Sony E PZ 16-50mm f/3.5-5.6 OSS II16–50mmf/3.5–5.6Sony E2024
Sony E PZ 16-50mm f/3.5-5.6 OSS16–50mmf/3.5–5.6Sony E2012
Sony E 16-55mm f/2.8 G16–55mmf/2.8Sony E2019
Sony Vario-Tessar T* E 16-70mm f/4 ZA OSS16–70mmf/4Sony E2013
Sony E PZ 18-105mm f/4 G OSS18–105mmf/4Sony E2013
Sony E PZ 18-110mm f/4 G OSS18–110mmf/4Sony E2016
Sony E 18-135mm f/3.5-5.6 OSS18–135mmf/3.5–5.6Sony E2018
Sony E 18-55mm f/3.5-5.6 OSS18–55mmf/3.5–5.6Sony E2010
Sony E 18-200mm f/3.5-6.3 OSS18–200mmf/3.5–6.3Sony E2010
Sony E 18-200mm f/3.5-6.3 OSS LE18–200mmf/3.5–6.3Sony E2012
Sony E PZ 18-200mm f/3.5-6.3 OSS18–200mmf/3.5–6.3Sony E2012
Tamron 16-50mm f/2.8 A (E)16–50mmf/2.8Sony E2026
Tamron 17-70mm f/2.8 Di III-A VC RXD (E)17–70mmf/2.8Sony E2020
Tamron 18-200mm f/3.5-6.3 Di III VC (E)18–200mmf/3.5–6.3Sony E2011
Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD (E)18–300mmf/3.5–6.3Sony E2021
Tamron 16-50mm f/2.8 A (X)16–50mmf/2.8Fujifilm X2026
Tamron 17-70mm f/2.8 Di III-A VC RXD (X)17–70mmf/2.8Fujifilm X2022
Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD (X)18–300mmf/3.5–6.3Fujifilm X2021
Tamron 16-50mm f/2.8 A (Z)16–50mmf/2.8Nikon Z2026
Tamron 17-70mm f/2.8 Di III-A VC RXD (Z)17–70mmf/2.8Nikon Z2026
Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD (Z)18–300mmf/3.5–6.3Nikon Z2025