Focal lengths / 1-inch
18.5mm on 1-inch
Frames like 50mm on full frame: 39.3° across, 26.8° top to bottom.

A 50mm eq.

| A 18.5mm on 1-inch | |
|---|---|
| Focal length | 18.5mm |
| Full-frame equivalent | 50mm |
| Horizontal | 39.3° |
| Vertical | 26.8° |
| Diagonal | 46.4° |
| Sensor | 1-inch 13.2 × 8.8 mm |
| Crop factor | ×2.7 |
| Aspect ratio | 3:2 |
Same framing on other formats
The focal length that matches 50mm full-frame equivalent on each sensor size (crop-factor convention, diagonal).
| Sensor | Focal length | Closest page |
|---|---|---|
| Medium format | 63.2mm | 63mm on Medium format |
| Full frame | 50mm | 50mm on Full frame |
| APS-C | 33.3mm | 33mm on APS-C |
| APS-C (Canon) | 31.2mm | 32mm on APS-C (Canon) |
| Micro Four Thirds | 25mm | 25mm on Micro Four Thirds |
Primes at 18.5mm for 1-inch (1)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Nikon 1 NIKKOR 18.5mm f/1.8 | 18.5mm | f/1.8 | Nikon 1 | 2012 |
Zooms that reach 18.5mm (6)
| Lens | Focal | Aperture | Mount | Year |
|---|---|---|---|---|
| Nikon 1 NIKKOR VR 10-30mm f/3.5-5.6 | 10–30mm | f/3.5–5.6 | Nikon 1 | 2011 |
| Nikon 1 NIKKOR VR 10-30mm f/3.5-5.6 PD-ZOOM | 10–30mm | f/3.5–5.6 | Nikon 1 | 2014 |
| Nikon 1 NIKKOR VR 10-100mm f/4.5-5.6 PD-ZOOM | 10–100mm | f/4.5–5.6 | Nikon 1 | 2011 |
| Nikon 1 NIKKOR VR 10-100mm f/4-5.6 | 10–100mm | f/4–5.6 | Nikon 1 | 2013 |
| Nikon 1 NIKKOR 11-27.5mm f/3.5-5.6 | 11–27.5mm | f/3.5–5.6 | Nikon 1 | 2012 |
| Nikon 1 NIKKOR AW 11-27.5mm f/3.5-5.6 | 11–27.5mm | f/3.5–5.6 | Nikon 1 | 2013 |