Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Photography
Lens Focal Length Comparison Calculator
Compare how two lens-and-sensor combinations deliver equivalent fields of view. Use it when switching camera systems or renting a lens to match your existing look.
Fill in the required fields to see your result.
Photography
Camera Storage & File Size Calculator
Estimate what percentage of a memory card a session will fill based on your camera's megapixels, file format, and number of photos. Use it to plan card capacity before a shoot.
Fill in the required fields to see your result.
Key differences
| Lens Focal Length Comparison Calculator | Camera Storage & File Size Calculator | |
|---|---|---|
| Category | Photography | Photography |
| Inputs required | 4 | 3 |
| Result | Field of View Ratio (x) | Total Storage Required (GB) |
| What it does | Compare how two lens-and-sensor combinations deliver equivalent fields of view. Use it when switching camera systems or renting a lens to match your existing look. | Estimate what percentage of a memory card a session will fill based on your camera's megapixels, file format, and number of photos. Use it to plan card capacity before a shoot. |