| NTSC | National Television Systems Committee The color television system used in the USA, Canada, and Japan. |
| Note Paper | Creates an image that appears to be constructed of handmade paper. The filter simplifies an image and combines the effects of the Stylize > Emboss and Texture > Grain filters. Dark areas of the image appear as holes in the top layer of paper, revealing the background color. |
| Nose room | The space in front, and in the direction, of moving or stationary subjects. |
| Normal Lens | A lens where the angle of view approximately represents that of the human eye |
| Nonlinear editing | Computerised editing where images are then stored on the hard drive |
| Non-destructive editing | An editing approach that doesn’t alter the original pixels in a photo throughout the enhancement process. Typically used for Raw processing or in techniques that make use of Smart Object technology |
| Noise | Noise is a random pixelation across the image. This appears like a TV picture when the set is switched on, but not tuned in! Dust and scratches can also be described as noise. |
| Ni-Mh | Nickel Metal Hydride batteries are very efficient and offer about 40% more capacity than NiCD plus they don't suffer from memory effect. However they only last 500 charge and discharge cycles. NiMH batteries lose about 3% of their charge daily. |
| Nikonos Connector | A five or three pin U/W flash lead plug/socket system. |
| Nikonos | A range of amphibious cameras by Nikon. Now discontinued but widely available preowned. |
| Ni-Cd | Nicad - Nickel Cadmium rechargeable battery. |
| negative space | a compotional term to describe neutral space used to isolate and emphasise the subject |
| Negative | Creates an effect like a photographic negative on the current loaded image |
| NBR | Nitrile Butadiene Rubber. Preferred material for the manufacture of camera orings. |
| Natural Light | shots taken using ambient light i.e. unlit by flash or continuous lighting like HID but filters on the lens |
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