That can change from one phone model to the next. The safest bet to get info about your phone is to open one of its photos in a tool that can read exif data.
For example, the iPhone 5 has "Focal length" 4.1 mm and "Focal length (35mm)" 33.0mm. That means that it is roughly as wide as your favourite 33mm prime lens on your FX camera. Or as wide as your 22mm on your DX camera.
A Galaxy S4 has "Focal length" 4.2mm and "Focal length (35mm)" 31mm.
An iPhone 6S plus has a "Focal length" 4.2mm and "Focal length (35mm)" 29mm. The reason the 35mm equivalent is different from the Galaxy S4 is certainly that it the size of the sensor is different.
To read exif data you can use for example:
For example, the iPhone 5 has "Focal length" 4.1 mm and "Focal length (35mm)" 33.0mm. That means that it is roughly as wide as your favourite 33mm prime lens on your FX camera. Or as wide as your 22mm on your DX camera.
A Galaxy S4 has "Focal length" 4.2mm and "Focal length (35mm)" 31mm.
An iPhone 6S plus has a "Focal length" 4.2mm and "Focal length (35mm)" 29mm. The reason the 35mm equivalent is different from the Galaxy S4 is certainly that it the size of the sensor is different.
To read exif data you can use for example:
- Adobe Photoshop
- Adobe Bridge
- Aperture
- Preview (Mac OS X)
- exiftool
- ... and many others.
The only snag is that not all exif-readers display the equivalent value for 35mm, and not all cameras actually store the 35mm equivalent. If it does not work for you, don't be too disappointed. Just make sure you try with at least one of the tools listed above. If you still have no luck, just buy a new phone. There is probably a new model on the market anyhow.
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