Bellows Factor Calculator
Calculate exposure compensation for bellows and extension tubes.
Bellows Settings
Bellows Factor
2.25×
+1.2 stops compensation needed
Calculated Values
Magnification0.50×
Effective Aperturef/8.4
Total Extension150 mm
Light Loss56%
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.