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Photography Glossary

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HRI
HRI stands for High Refractive Index Lens. Find out more.
Highlight
The bright- and light-tone areas of a subject or scene.
High Eyepoint
An extended distance from the eyepiece to the eyepoint. Important for eyeglass wearers.
HDMI
High-Definition Multimedia Interface (HDMI) is used to transmit uncompressed digital audio and video. Find out more.
HD Movie Mode
Many COOLPIX cameras offer HD movie mode, which records sound movie clips at varying resolution and frame rates, depending on the particular model.
Halogen
An incandescent light bulb that contains a tungsten filament. Emits light with a higher color temperature than an incandescent bulb.
High Key
An image distinguished by overall bright, light tones.
HDTV
High Definition Television. HDTV has a higher resolution than standard definition television sets. Find out more.
Halation
A phenomenon that arises when light scattered within the film emulsion continues through the film base and is reflected.
Hair Light
A light placed above and to the side of a portrait subject, to illuminate the person's hair/head. It is a form of accent lighting.
HDR (High Dynamic Range) Photography
HDR photography is a method of capturing multiple images combined to create one with the wide range of tones in a high contrast scene—a range that our eyes can discern, but digital sensors can't render in a single shot.
HD Video
Video captured in high resolution. Find out more.
Hot Shoe (Accessory Shoe)
A mounting device, usually built onto the top of a camera, that enables a flash unit or select accessories to be mounted on the camera.
Hot Swappable
Provides the option to plug and unplug a computer peripheral or a camera into and out of a USB or FireWire port while the computer is on.
Hue
A term that describes the entire range of colors of the spectrum.
High-Magnification Viewfinder
A viewfinder used for viewing the entire image at a magnification higher than that with a standard viewfinder. Useful for close-up work, copy stand work and when trying to focus on subjects with fine detail.
High ISO Capability
COOLPIX cameras offer High ISO capability. Find out more.
High Speed (HS) Movie
The HS Movie option lets you record video in high speed, with the ability to play back the video at 1/8, 1/4, 1/2 normal speed or 2x as fast. You can change the setting from normal to slow or fast while recording movies.
Halftone
A reproduction of an image through a special screen. The screen is made up of a variety of different sized dots to simulate shades of gray in a photograph.
Hyperfocal Distance
The closest point you can focus a lens and still have the depth-of-field include infinity. Find out more.
H.264
H.264 is a standard for video compression. It is also known as MPEG-4 AVC.
Highlights
The brightest parts of a photo.
HVGA
Half the screen size of VGA screens. HVGA has a screen resolution of 480x320 (3:2), commonly used as a display size for PDA and cellphones.
Hybrid VR
A combination of Lens Shift and Electronic Vibration Reduction for image stabilization. Found in Nikon COOLPIX cameras. Find out more.
Histogram
A graphic representation of the range of tones from dark to light within a photo. Some digital cameras include a histogram feature that enables a precise check on the exposure of the photo.