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Contest entries
The Curtain. Filigreed coral  worms with their delicate white tube and their red feathery feeding branches
By Peet J Van Eeden
posted 06:19 CST Today (1 hour ago)
Nudibranch Phyllodesmium koehleri
By Oksana Maksymova
posted 03:06 CST Today (4 hours ago)
Azoren rock formation
By Pieter Firlefyn
posted Saturday, January 16, 2021
The Gate keepers. Sandy anemones occur also in gullies and collect passing food with their sticky tentactles. Sand also sticks to its tentacles therefore the name sandy anemones
By Peet J Van Eeden
posted (2 days ago)
Spiral of Life. The fan of the Red fan worm demonstrated the Fibonacci sequence.
By Peet J Van Eeden
posted (3 days ago)
Lionfish on the house reef at Marsa Shagra.
By Shannon Moran
posted (3 days ago)

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27 Entries Found

Full Range Autofocus LensA lens that, whilst in autofocus mode, allows focusing from less than a inch to infinity
FTP softwareFile Transfer Protocol software is used for uploading and downloading files over the Internet
F-StopStandard unit of exposure. A means of expressing the illuminating power of a lens regardless of its focal length.
freewaresoftware that is free! But watch out! The author may time limit it's use by time, especially if it is a demo version of a larger program
FrameThe picture area
FPXThe FlashPix file format was developed through the combined efforts of Kodak, Microsoft Corporation, Hewlett-Packard, and Live Pictur. It combines the best features of existing formats with object orientation to make the use of digital color images easier. The format of a FlashPix file is based on compound object storage, which allows storage of various kinds of data."
FPSFrames per second. The number of images that can be recorded per second as determined by the limitations of motordrive (35mm) or buffer (Digicams).
FormatThe 'format' of a film or camera is the dimensions of the image area (or frame).
Focus RangeThe difference between the closest and farthest distances a lens can focus on.
Focal Length MultiplierThe Focal Length Multiplier is a figure to apply to 35mm lenses to calculate their true focal length on digital cameras that do not have full frame sensors.
Focal LengthThe focal length of a simple symmetrical lens, is the distance between the image plane (e.g. the film) and the middle of the lens, when light from infinity is brought to a focus.
Flying Erase HeadsSpinning magnetic heads that allows you to start then pause then start recording again without causing any video noise, distortion etc.
Flat PortA flat glass or plastic port that fits onto the front of the video housing
flash/blurshots where long exposures are mixed with flash
FlareFlare is unwanted streaks of light on your photos caused by lens imperfections and/or pointing the camera at the light source.
FisheyeExtreme wide angle lenses sometimes with 180° angle of view across the diagonal and a typical focal length less than 15mm (on the 35mm system).
FirmwareAn often-used micro program or instruction set stored in ROM. Usually refers to the ROM-based software that controls a unit. Firmware is found in all computer based products from Cameras to Digital Peripherals
FirewireDigital video interface (connection between camera and editing equipment, monitor, computer, etc.) specified in document IEEE 1394. Data transfer speed up to 400Mbit/s.
FiltersAre image processing actions that can be automatically applied to your image and which result in a particular effect. In this respect they are like preset special effects.
FilterA device (usually a sheet of glass or plastic) which attenuates (reduces) all or part of the light passing through it.
Filmstripthis format is used for RGB animation or movie files created by Adobe Premiere®. If you resize, resample, remove alpha channels, or change the color mode or file format of a Filmstrip file in Photoshop, you won't be able to save it back to Filmstrip format.
film speedFilm speed is the measure of a photographic film's sensitivity to light
Filla second flashgun should be used to fill-in the shadows caused by the main strobe and should therefore be less powerful
File TypeMany different 'flavors' of image file exist. They are distinguished by the file extension e.g. TIF and by the description seen in explorer view e.g. Tagged Image Format (for TIF)
File SizeThe size of a file expressed in bytes or in pixels (e.g. 6Mb or 4256 x 2848).
FeatherFeathering is the process of blurring edges around a selection. Blurring the edges helps the selection blend into another object, file, or selection when it is moved, cut, copied, and/or pasted.
FadeThe Fade command appears in the Edit menu after a filter has been applied and allows you to change the blending options for that filter. The Fade command also appears after using a painting tool, using an eraser, or making a color adjustment. The Fade dialog box has two options: changing the opacity and changing the blending mode.
27 Entries Found