Tooltip Categories: Software


Resolution

Resolution is a term used to describe the size of an image in pixels.  For example, a large file might be “High Resolution” with a size of 4000×3000 pixels, while a small file might be “Low Resolution” with a size of 800×600 pixels.  Of course, high and low resolution is […]


TIFF

A TIFF is a type of image file.  It is a ‘lossless’ file as it doesn’t lose data when it is saved.  Some cameras allow you save as RAW, TIFF (.tif) or JPG. In general, TIFF’s are larger files (much larger than JPGs) and have their place in the digital […]


Low Contrast

A Low Contrast image is one that will have a wide range of tones and be neither too bright nor too dark in areas.  If you looked at the histogram, it would be fairly level across the range.  This is the opposite of a High Contrast image which will have […]


High Contrast

A High Contrast image is one that will have deeper shadows and brighter highlights than an image with a wide dynamic range.  If you looked at the histogram, it would have distinctive peaks. This is the opposite of a Low Contrast image which would have a full range of tones. […]


Dodging

Dodging is a software technique which is used to lighten a specific area in an image. Dodging is the opposite of Burning.  These are both terms that have been used for decades in darkrooms. Facebook Twitter Google + Linkedin


Burning

Burning is a software technique which is used to darken a specific area in an image. Burning is the opposite of Dodging.  These are both terms that have been used for decades in darkrooms. Facebook Twitter Google + Linkedin


Vector

A Vector image  is made up lines, arc and circles and determined as relative points and paths.  This is the opposite of a Raster image, which is made up of pixels. Unlike raster images, vector images can be enlarged to any size as the lines are defined in the file […]


Raster

A Raster image is made up of pixels.  All digital photos are raster images.  This is the opposite of a Vector file, which is made up of lines, arcs, circles, etc. Raster images can not be enlarged without losing some sharpness as the software enlarging the image has to ‘guess’ […]


Curves

Curves is a common tool used in post processing software to adjust an image’s exposure.  Curves adjustment is used in conjunction with a histogram to produce a more pleasing overall exposure. Facebook Twitter Google + Linkedin


Red Eye

Red Eye is a term used to describe an unwanted effect in photography. Red eye occurs when a light (usually flash) lights up the back of a subject’s eyeball (the retina) and the blood vessels in the retina reflect back as red light. Red eye occurs more often in dark […]


Watermark

A watermark is a notation on your photo that claims ownership (not copyright). Many photographers will add a watermark (name or logo) on any image they post online so that when it is shared, credit is still given.  In this example, the watermark is usually small and off to the […]


Video

Video is a common feature on almost every digital camera now.  Video is really just a series of still images combined into a playable sequence.  There are now many formats and resolutions for video with today’s equipment. Digital video has allowed anyone with a camera to create movies of any […]


Thumbnail

A Thumbnail is a small version of a photo used while previewing images.  Many software packages will let you view thumbnails to sort and organize your photographs rather than forcing you to view the full size image. Thumbnails are also used when creating web based viewing galleries so that visitors […]


Saturation

Saturation is a term used to describe the amount of colour in an image.  An image with over-saturation will have bright harsh colours, while under-saturation will result in faded colours. Saturation is a personal preference and can be used effectively to create an effect that works well with the subject. […]


GIF

A GIF is an image file that is sometimes used in photography, but is much more common as a web graphic.  GIFs are limited to 256 colours and can have a transparent background.  GIFs are also used for simple animations. When transfer speeds were slower than today, many images were […]


Filter

A filter can be two things in photography.  Commonly a filter is a glass attachment that is placed in front of a lens (or screwed in) to create a special effect or give a colour cast. Common filters are Polarizing, UV or Sky. A filter is also a software term […]