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Daft question about low-light performance
The objective's area determines how much light enters the binocular or scope. A 50mm objective provides a surface area that is 41% greater than a 42mm objective. How much of the light reaches your eyes depends in part on the quality of the coatings on the lens surfaces inside. What we perceive...- Elkhornsun
- Post #17
- Forum: Binoculars