Understanding Gamma in Photography

Gamma—or more precisely, gamma-correction—simply refers to the operation to encode the linear values the camera records into a…

Polarization: Linear & Circular Polarizers

Light that enters the lens is, in certain cases, partially polarized. The correct use of polarizing filters allow…

Noise in Digital Photography

In digital photography noise is typically associated with the mottled image we get when taking shots in the…

MTF Curves Explained

Modulation Transfer Function curves are helpful indicators of the performance of a lens. Seen for the first time…

Moiré, False Colour & Anti-Aliasing Filters

There is a trend among manufacturers—beginning really with Nikon and the release of the D800E in 2012—to remove…

Mirror Lock-up

Mirror lock up is feature on most higher end DLSRs to reduce (minor) vibrations produced when the mirror…

Metering Modes

There can be up to four metering settings in DSLRs: Evaluative, Centre-Weighted, Partial, and Spot. Below are the…

Metering in Photography

First of all, we need to make a clear distinction between reflected and incident light, which is best…

Megapixels: Why More is Not Always Better

Walk through the camera department of any electronic seller and the first statistic you will see next to…

Live View: Why It Matters

Live View or Live Preview is a function on just about all modern DSLRs and mirrorless cameras which…

Image Stabilization: Lens & Sensor

Image stabilization in a wider sense simply refers to the methods or techniques applied to still the camera…

Histograms in Photography

The histogram is one of the most under-utilised photographic tools. It shows the relative distribution of tonal values…