Ultra Sound Motor. Generally used in reference to the motor system used to provide smooth, silent autofocus for photographic lenses.

Moteur à Ultra-Sons. Généralement utilisé en référence au système de motorisation qui est employé pour fournir un autofocus doux et silencieux sur les objectifs photographiques.

RAW is the generic term used to designate the file format used by photo camera manufacturers willing to store raw data out of the photo sensor. The other common option is to store JPEG (compressed) image data, but RAW allows to keep the maximum flexibility for ulterior image handling (color balance correction, image dynamic optimization, etc.)

Chez Nikon, désigne les capteurs de taille 25.1 × 16.7 mm ou APS-C (et les appareils photo reflex qui les utilisent, et les objectifs conçus pour cette taille de capteur).

Voir également FX.

At Nikon, it designates the 25.1 × 16.7 mm-sized sensors (aka APS-C sensors) and the photo cameras using them, and the photographic lenses designed to adapt to this sensor size.

See also FX.

Chez Nikon, désigne les capteurs de taille 24×36mm ou Full Frame (et les appareils photo reflex qui les utilisent, et les objectifs conçus pour cette taille de capteur).

Voir également DX.

At Nikon, it designates the 35mm-sized sensors (aka Full Frame sensors) and the photo cameras using them, and the photographic lenses designed to adapt to this sensor size.

See also DX.

Méga-pixels, unité de compte des millions de sites individuels qui collectent la lumière sur un capteur photographique.

Mega-pixels, unit for counting millions of individual light-collecting sites on photographic sensors.

Continuing Airworthiness Management Organisation.

As defined by the European Union, regulation n° 2042/2003, dealing with continuing airworthiness of aircrafts, published on November 20th, 2003.

It establishes technical requirements and administrative procedures for aircrafts registered in the EU, or used by an operator for which a EU state oversees operations.

For examples, see:

• FlyingCoders and its online software solution of CAMO for European aircrafts, like the Embraer 120 or the ATR-72.
• Lufthansa Technik which offers a more extensive solution for Airbus and Boeing aircrafts

Profondeur de Champ.
Depth of Field.

Depth of Field.
Profondeur de Champ.

Optical View Finder.
Viseur optique.

Electronic View Finder.
Viseur électronique.

Single Lens Reflex camera, type of camera using a single lens that can be removed and or replaced. In most cases, the user can view the picture through a viewfinder looking through the lens. In some cases, an electronic viewfinder maybe used and the Reflex part may or may not be fully appropriate despite common usage.

Wikipedia definition.

Black and White (B&W) photography

Photographie en Noir et Blanc (N&B)

APS-H is a digital sensor size approximately equivalent to the Advanced Photo System “H” size negatives. The “1.3x” sensor size is typically 28.7 mm × 19.0 mm, with an aspect ratio around 3:2.

APS “High-Definition” crop size: 30.2 × 16.7 mm.

Autofocus, mise au point automatique.

Autofocus