Free tools for your optical component calculations
Calculate lens focal length, object distance, or image distance using the lens formula
Estimate transmission and reflection for AR/HR optical coatings
Calculate magnification, focal length, and working distance relationships
Calculate required optical density for laser safety goggles based on laser power and beam parameters
Calculate far-field beam divergence angle and spot size at distance for Gaussian beams
Calculate reflection and transmission at optical interfaces between different materials
Calculate refraction angle and check for total internal reflection at optical interfaces
Calculate Airy disk diameter and spatial resolution limit for optical systems
Go beyond calculations — simulate, compare, and select optical components
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