Design
Calculate camera field of view from focal length and sensor size, with scene coverage at distance.
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/field-of-view-calculator' \
-H 'Content-Type: application/json' \
-d '{"focalLength":35,"sensorPreset":"full-frame","sensorWidth":36,"sensorHeight":24,"subjectDistance":3,"distanceUnit":"meters","showFormulas":true}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/field-of-view-calculator| Name | Type | Required | Description |
|---|---|---|---|
| focalLength | number | Yes | — |
| sensorPreset | select | No | — |
| sensorWidth | number | No | — |
| sensorHeight | number | No | — |
| subjectDistance | number | No | — |
| distanceUnit |
Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-field-of-view-calculator": {
"name": "field-of-view-calculator",
"description": "Calculate camera field of view from focal length and sensor size, with scene coverage at distance.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=field-of-view-calculator",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "field-of-view-calculator",
"arguments": {
"focalLength": 35,
"sensorPreset": "full-frame",
"sensorWidth": 36,
"sensorHeight": 24,
"subjectDistance": 3,
"distanceUnit": "meters",
"showFormulas": true
}
}
}Questions or issues? Contact [email protected]
| select |
| No |
| — |
| showFormulas | checkbox | No | — |
HTML result
{
"result": "<div>Processed HTML content</div>",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}