All our articles about digital

Bayer Demosaic Conversion Versus a True Monochrome Sensor

· 7 min read

Bayer Demosaic Conversion Versus a True Monochrome Sensor

Why removing the color filter array raises a digital sensor's resolution and sensitivity compared with desaturating a Bayer color file to grayscale.

Channel Mixing for Digital Black and White: Emulating Color Filters in Software

· 6 min read

Channel Mixing for Digital Black and White: Emulating Color Filters in Software

How weighting red, green and blue channels in conversion reproduces the effect of physical filters, and where sensor color response sets the limits.

Reading the digital histogram for exposure decisions

· 7 min read

Reading the digital histogram for exposure decisions

How the in-camera histogram maps tonal distribution, how to spot clipping and blocked shadows, and why the JPEG-based histogram misleads raw shooters.

Exposure Latitude: How Black and White Film and Digital Sensors Handle Error

· 7 min read

Exposure Latitude: How Black and White Film and Digital Sensors Handle Error

Why negative film forgives overexposure while sensors clip highlights abruptly, and how latitude differs from dynamic range.

Why Film Rewards Overexposure and Digital Rewards Underexposure

· 7 min read

Why Film Rewards Overexposure and Digital Rewards Underexposure

Film shadows starve for light while digital highlights clip hard. The opposite failure modes of the two media reshape every metering decision.

Exposing to the right: maximizing shadow signal in digital raw capture

· 8 min read

Exposing to the right: maximizing shadow signal in digital raw capture

How shifting raw exposure toward the highlights raises shadow signal-to-noise ratio, and the histogram and clipping discipline the technique demands.