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840 terms · page 22 of 35
Metadata Preset
A saved template of creator, copyright and contact fields applied automatically on import.
Colour & Colour ManagementMetamerism
The phenomenon in which two samples match under one light source but differ visibly under another.
Exposure & MeteringMeter Calibration Constant
The factor K in the exposure equation that ties a measured luminance to a recommended camera setting.
Exposure & MeteringMetering Mode
The pattern a camera uses to sample scene brightness when calculating an automatic exposure.
Cameras, Formats & SystemsMicro Four Thirds
An open sensor and mount standard using a 17.3 by 13 millimetre sensor with a 4:3 aspect ratio and a 2× crop factor.
Sensors & Digital CaptureMicrolens Array
A layer of tiny lenses, one above each photosite, that gathers light which would otherwise fall on the gaps between them.
Focus & Depth of FieldMicroprism Collar
A ring of tiny prisms around a focusing screen's centre that shimmers when the image is out of focus and clears when it is sharp.
Exposure & MeteringMiddle Grey
The reference tone, reflecting about 18 per cent of the light that strikes it, that every reflected-light meter is calibrated to reproduce.
Composition & Visual DesignMinimalism
A compositional approach built on very few elements, large areas of empty space and simple graphic forms.
Focus & Depth of FieldMinimum Focus Distance
The closest a subject can be to the sensor plane and still be brought into focus.
Colour & Colour ManagementMired
A unit of reciprocal colour temperature that makes colour shifts uniform in perceptual terms, used to specify filters and gels.
Cameras, Formats & SystemsMirror Lock-up
A function that raises an SLR's mirror in a separate step before the shutter fires, so its vibration has time to settle.
Cameras, Formats & SystemsMirrorless Camera
An interchangeable-lens camera with no reflex mirror, where the sensor feeds an electronic viewfinder or rear screen directly.
Colour & Colour ManagementMixed Lighting
A scene illuminated by two or more sources of different colour temperature, which cannot all be neutralised at once.
Files, Metadata & WorkflowModel Release
A signed agreement in which a recognisable person consents to the commercial use of their image.
Lighting & FlashModelling Light
A continuous lamp built into a flash head that previews where the shadows will fall.
Optics, Lenses & FiltersModulation Transfer Function
A measurement of how faithfully a lens transfers the contrast of fine detail from subject to image, plotted against position in the frame.
Sensors & Digital CaptureMoiré
A false pattern of wavy bands or colour that appears when fine repeating detail in a subject interferes with the sensor's pixel grid.
Colour & Colour ManagementMonitor Calibration
Measuring a display with an instrument and building a profile so its output matches known standards for white point, brightness and tone…
Lighting & FlashMonolight
A self-contained studio flash with its power supply, controls and modelling lamp built into a single head.
Cameras, Formats & SystemsMonopod
A single-legged support that removes vertical camera shake while leaving the photographer free to move and pan.
Motion, Video & Creative TechniquesMotion Blur
The smearing of a moving subject across the frame during exposure.
Printing, Display & OutputMounting
Attaching a print to a rigid backing so it stays flat and can be handled or framed.
Optics, Lenses & FiltersMoustache Distortion
A complex distortion combining barrel and pincushion in the same frame, so lines curve one way near the centre and back the other near the…