Field of View

Focal lengths / 1-inch

18.5mm on 1-inch

Frames like 50mm on full frame: 39.3° across, 26.8° top to bottom.

Reference photo: Forest
A 50mm eq.
The scene as framed by 18.5mm 1-inch
A What 18.5mm 1-inch sees
A 18.5mm on 1-inch
Focal length18.5mm
Full-frame equivalent50mm
Horizontal39.3°
Vertical26.8°
Diagonal46.4°
Sensor1-inch 13.2 × 8.8 mm
Crop factor×2.7
Aspect ratio3:2

Compare it with another setup →

Same framing on other formats

The focal length that matches 50mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).

SensorFocal lengthClosest page
Medium format63.2mm63mm on Medium format
Full frame50mm50mm on Full frame
APS-C33.3mm33mm on APS-C
APS-C (Canon)31.2mm32mm on APS-C (Canon)
Micro Four Thirds25mm25mm on Micro Four Thirds

Primes at 18.5mm for 1-inch (1)

LensFocalApertureMountYear
Nikon 1 NIKKOR 18.5mm f/1.818.5mmf/1.8Nikon 12012
Zooms that reach 18.5mm (6)
LensFocalApertureMountYear
Nikon 1 NIKKOR VR 10-30mm f/3.5-5.610–30mmf/3.5–5.6Nikon 12011
Nikon 1 NIKKOR VR 10-30mm f/3.5-5.6 PD-ZOOM10–30mmf/3.5–5.6Nikon 12014
Nikon 1 NIKKOR VR 10-100mm f/4.5-5.6 PD-ZOOM10–100mmf/4.5–5.6Nikon 12011
Nikon 1 NIKKOR VR 10-100mm f/4-5.610–100mmf/4–5.6Nikon 12013
Nikon 1 NIKKOR 11-27.5mm f/3.5-5.611–27.5mmf/3.5–5.6Nikon 12012
Nikon 1 NIKKOR AW 11-27.5mm f/3.5-5.611–27.5mmf/3.5–5.6Nikon 12013