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Both calculators run independently — change the inputs on either side to compare results.

Critical Angle Calculator

Calculate the critical angle beyond which light undergoes total internal reflection at the boundary between a denser and a rarer medium. Essential for fiber optics, prism design, and understanding optical phenomena.

Denser Medium Refractive Index

Rarer Medium Refractive Index

Fill in the required fields to see your result.

Optics

Depth of Field Calculator

Calculate the depth of field, hyperfocal distance, and sharp focus range for any camera setup. Use this when planning shots where controlling foreground-to-background sharpness is critical.

Focal Length (mm)

F-Stop (Aperture)

Focus Distance (m)

Sensor Format

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Key differences

	Critical Angle Calculator	Depth of Field Calculator
Category	Optics	Optics
Inputs required	2	4
Result	Critical Angle (°)	Depth of Field (m)
What it does	Calculate the critical angle beyond which light undergoes total internal reflection at the boundary between a denser and a rarer medium. Essential for fiber optics, prism design, and understanding optical phenomena.	Calculate the depth of field, hyperfocal distance, and sharp focus range for any camera setup. Use this when planning shots where controlling foreground-to-background sharpness is critical.