Field of View

Focal lengths / APS-C

55mm on APS-C

Frames like 82.5mm on full frame: 24.1° across, 16.1° top to bottom.

Reference photo: Forest
A 82.5mm eq.
The scene as framed by 55mm APS-C
A What 55mm APS-C sees
A 55mm on APS-C
Focal length55mm
Full-frame equivalent82.5mm
Horizontal24.1°
Vertical16.1°
Diagonal28.8°
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 82.5mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).

SensorFocal lengthClosest page
Medium format104.4mm110mm on Medium format
Full frame82.5mm85mm on Full frame
APS-C (Canon)51.6mm50mm on APS-C (Canon)
Micro Four Thirds41.3mm42.5mm on Micro Four Thirds
1-inch30.6mm32mm on 1-inch

Primes at 55mm for APS-C (7)

LensFocalApertureMountYear
7Artisans 55mm f/1.4 II (E)55mmf/1.4Sony E2021
7Artisans 55mm f/1.4 II (MFT)55mmf/1.4Micro Four Thirds2021
7Artisans 55mm f/1.4 II (X)55mmf/1.4Fujifilm X2021
7Artisans 55mm f/1.4 II (Z)55mmf/1.4Nikon Z2021
Meike AF 55mm f/1.4 (E)55mmf/1.4Sony E2024
Meike AF 55mm f/1.4 (X)55mmf/1.4Fujifilm X2024
Meike AF 55mm f/1.4 (Z)55mmf/1.4Nikon Z2024
Zooms that reach 55mm (35)
LensFocalApertureMountYear
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 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
Fujifilm XF 50-140mm f/2.8 R LM OIS WR50–140mmf/2.8Fujifilm X2014
Fujifilm XF 55-200mm f/3.5-4.8 R LM OIS55–200mmf/3.5–4.8Fujifilm X2013
Leica Vario-Elmar-TL 18-56mm f/3.5-5.6 ASPH.18–56mmf/3.5–5.6L-Mount2014
Leica APO-Vario-Elmar-TL 55-135mm f/3.5-4.5 ASPH.55–135mmf/3.5–4.5L-Mount2014
Nikon Z DX 18-140mm f/3.5-6.3 VR18–140mmf/3.5–6.3Nikon Z2021
Nikon Z DX 50-250mm f/4.5-6.3 VR50–250mmf/4.5–6.3Nikon Z2019
Sigma 16-300mm f/3.5-6.7 DC OS | C (E)16–300mmf/3.5–6.7Sony E2025
Sigma 50-120mm f/2.8 DC OS | C (E)50–120mmf/2.8Sony E2026
Sigma 16-300mm f/3.5-6.7 DC OS | C (L)16–300mmf/3.5–6.7L-Mount2025
Sigma 16-300mm f/3.5-6.7 DC OS | C (X)16–300mmf/3.5–6.7Fujifilm X2025
Sigma 50-120mm f/2.8 DC OS | C (X)50–120mmf/2.8Fujifilm X2026
Sigma 16-300mm f/3.5-6.7 DC OS | C (Z)16–300mmf/3.5–6.7Nikon Z2026
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
Sony E 55-210mm f/4.5-6.3 OSS55–210mmf/4.5–6.3Sony E2011
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 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 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